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Chainrings

$881.00
- AXS enabled for easy monitoring and firmware upgrades - Fully integrated power meter into a direct mount chainring - Power readings are accurate within +/-1.5% and aren't affected by climate conditions during a ride - Power balance measures left and right legs separately - SRAM X-SYNC wide-tooth, narrow-tooth chainring technology provides maximum chain control - Laser-etched chainring finish is more durable - 8-bolt direct mount compatibility only to RED and Force eTap AXS cranks. - Speeds: 12 - Chainring material: Aluminum - Power Meter Type: ANT USB
$238.00 - $343.00
Shimano Dura-Ace 9000 11-Speed Chainrings. - Chainring BCD: 110 Shimano Asymmetric - Color: Silver/Black - Defined Color: Silver - Drivetrain Speeds: 11 - Material: Aluminum - Ring Position/Type: Outer
$323.00
X-Range gearing technology gives you more range and a smoother gear progression, so you're always in the right gear. - Updated tooth profiles for improved wear - One-piece construction for faster, smoother, more secure shifting - More durable finish - Direct Mount - Material: Aluminum
$269.99
absoluteBLACK SpideRing Oval 2x Direct Mount Chainring Sets for Cannondale are incredibly stiff and lightweight. Sold as a set, they are designed for Cannondale Hollowgram cranks, such as SI, SISL, and SISL2. Chainrings have a ramp and recess design to improve shifting performance. Ovality has been optimized for road climbing with timing of 108 -110.5° after TDC (top dead center). - Sold as a 2x chainring set - Oval shape reduces stress on knees, helps to keep your legs fresh, and does not feel any different while riding - Ramp and recess shifting design makes shifting smooth and fast - Small chainring is replaceable - Provides excellent weight-to-strength ratio
$238.00
The Shimano R9100 series crankset achieves the ultimate in optimal power transfer. It does this through a more reinforced outer chainring on its unique asymmetrical four-arm spider construction. - Chainring BCD: 110 Shimano Asymmetric - Drivetrain Speeds: 11 - Material: Aluminum - Ring Position/Type: Outer
$225.00
Shimano XTR M9000 11-Speed Chainrings - Chainring BCD: 96 Shimano Asymmetric - Drivetrain Speeds: 11 - Material: Aluminum - Ring Position/Type: Outer
$22.00 - $182.00
Shimano Ultegra R8000 Series Chainrings are designed for use with Shimano's 11-speed Ultegra crankset.
$165.00
Shimano Ultegra 6800 11-Speed Inner Chainrings - Material: Aluminum - Ring Position/Type: Inner
$158.00
- Stock for 07-08 Record and Chorus 10-speed compact and standard cranksets - Ultra-Drive ESP alloy chainrings with anti-friction treatment and ramps/pins - *Campagnolo compact rings are Ultra-Torque specific BCD - Color: Grey
$158.00
Replacement chainrings in 110mm and 130mm BCD for SRAM 11-speed Yaw speed road cranks. Replace worn out rings or swap to change gearing for specific uses.
$158.00
Replacement chainring in 130mm BCD for SRAM 11-speed Yaw speed road cranks. Replace worn out rings or swap to change gearing for specific uses. - Top quality design and materials in sizes to fit modern road and 'cross bikes. - 7000 series aluminum provides strength and durability
$152.00
Replace worn out chainrings or change out gearing with SRAM's Force X-Glide Chainring. This solid ring is crafted from aluminum using SRAM's X-Glide tooth profiles for quick, responsive shifting. If you have a SRAM Force 22 compact crank (50/34), this is the ring for you.
$44.00 - $152.00
Replace worn out chainrings or change out gearing with SRAM's RED X-Glide Chainrings. These solid rings are crafted from aluminum using SRAM's X-Glide tooth profiles for quick, responsive shifting. If you have a SRAM RED 22 compact crank, these are the rings for you.
$151.00
- X-Range gearing technology gives you more range and a smoother gear progression, so you're always in the right gear - New tooth profiles for improved wear - More durable finish - 94mm BCD
$43.00 - $151.00
- X-Range gearing technology gives you more range and a smoother gear progression, so you're always in the right gear - Specially designed tooth profiles for improved wear - More durable finish - Bolt Circle Diameter (BCD): 107 BCD - Speeds: 12 - Material: Aluminum
$147.99
The special PVD Rainbow Titanium coating process makes chainrings very durable and incredibly beautiful. NOTE: Due to the nature of the PVD process, every chainring is unique and color may vary. Not a single chainring is the same which makes your new ring completely individual - Designed to fit Shimano XTR M9100 , M9120, XT M8100, M8120, M8130, SLX M7100, M7120, M7130 and FC-MT900 cranksets - Works ONLY with CN-M9100, 8100 & 7100 chain - Oval rings help the rider to spin smoother and more efficiently - 32t is equivalent to 30t at the dead spot and 34t at the power zone - Narrow-wide tooth profile keeps the chain snug, allowing you to leave the chain guide behind - Designed in the UK, manufactured in Poland
$139.99
- Better chain engagement for greater chain retention - Special gear teeth profile designed for MTB riding usage - Smoother driving even over bumpy terrain - For XTR FC-M9100-1, M9120-1 cranks
$129.99
absoluteBLACK Premium Oval 110 BCD Chainrings utilize absoluteBLACK's top-tier design features to greatly improve traction and speed. They are designed for 4-bolt or 5-bolt FSA cranks such as Gossamer, SL-K, and K-Force with asymmetric bolt spacing. 4- and 5-bolt cranks are identical with the exception of the one hidden bolt behind the crank arm in 5-bolt design, which is not needed. Optimized with smooth shifting in mind, premium chainrings have a unique shift ramp and recess design. Chainrings are crafted from CNC machined 7075 aluminum and feature an anodized finish for exceptional durability. - Oval shape reduces stress on knees, helps to keep your legs fresh, and does not feel any different while riding - Chainring design reduces the possibility of leg cramps and allows you to maintain a better cadence while climbing - For Gossamer and SL-K cranks, use the original FSA hardware for installation - For K-Force cranks, you will need to purchase absoluteBLACK bolt covers for installation - 3.5% ovality is ideal for road climbing
$129.99
absoluteBLACK Premium Oval 110 BCD Road Chainrings utilize absoluteBLACK's top-tier design features to greatly improve traction and speed. They are designed for Shimano Dura-Ace 9100, Ultegra 8000, and 105 R7000 4-bolt cranks only. Optimized with smooth shifting in mind, premium chainrings have a 6-point ramp and recess design. Chainrings are crafted from CNC machined 7075 aluminum and feature an anodized finish for exceptional durability. - Oval shape reduces stress on knees, helps to keep your legs fresh, and does not feel any different while riding - Chainring design reduces the possibility of leg cramps and allows you to maintain a better cadence while climbing - 10, 11, and 12-speed compatible - Outer rings feature 6-point shifting ramps that work in conjunction with the tooth recesses to stabilize the chain while shifting and allow for easy and quick gear changes - Outer chainrings also features 12 down-shifting points - Use absoluteBLACK long chainring bolts to install outer ring
$129.99
absoluteBLACK Premium Sub-Compact 110 BCD Oval Chainrings are designed to improve your climbing and cadence. They are compatible with all Shimano 110 BCD 4-bolt cranks. Chainrings are crafted from CNC machined 7075 aluminum and feature an anodized finish for exceptional durability. - Sub-Compact chainrings only work in predefined size combinations: 46/30 or 48/32 - Oval shape reduces stress on knees, helps to keep your legs fresh, and does not feel any different while riding - Chainring design reduces the possibility of leg cramps and allows you to maintain a better cadence while climbing - Use Shimano Dura-Ace 11-speed chain or SRAM Eagle 12-speed chain for proper clearance of mounting tabs - Not compatible with SRAM Yaw front derailleurs - 10, 11, and 12-speed compatible
$128.00
Intense study of chain and chainring wear patterns led to the radical tooth profile that lasts longer, runs quieter and further improves chain retention. Oval ring shape for riders that want to adjust the power profile of their pedal stroke. - The only oval rings with X-Sync 2 tooth design - Direct Mount Type: Direct Mount SRAM - Drivetrain Speeds: 10, 11, 12 - Material: Aluminum - Ring Position/Type: Chain Retaining Single Ring - Round or Oval: Oval - Chainline/Hub Compatibility: 141/148 Boost Hubs
$128.00
It’s undeniable that some riders’ pedaling styles benefit from oval chainrings, so SRAM has engineered the new X-SYNC 2 Oval chainrings to give them the advantage they want. They are the only oval option available with SRAM's genuine X-SYNC 2 teeth profile, so they are the only oval chainrings on the market that are 100-percent optimized for Eagle. - Direct Mount Type: Direct Mount SRAM - Drivetrain Speeds: 10, 11, 12 - Material: Aluminum - Ring Position/Type: Chain Retaining Single Ring - Chainline/Hub Compatibility: 135/142 MTB Hubs, 150/157 DH Hubs, 170/177 Hubs
$128.00
Eagle Technology creates the smoothest, quietest, longest-lasting, and most efficient drivetrains we've ever made. The radical new look and feel of our X-SYNC 2 Eagle chainring is a direct result of SRAM drivetrain engineers studying the performance and wear characteristics of thousands of X-SYNC chainrings. The longer, positive-rake tooth shape has been designed to work perfectly with the new Eagle chain to increase chain retention and overall pedaling efficiency, while decreasing friction, noise, and wear. - X-SYNC 2 chainring design increases chain retention, wear life, and reduces friction and noise. - Designed to be used with Eagle chain - Non-Boost 6mm offset
$128.00
Eagle Technology creates the smoothest, quietest, longest-lasting, and most efficient drivetrains we've ever made. The radical new look and feel of our X-SYNC 2 Eagle chainring is a direct result of SRAM drivetrain engineers studying the performance and wear characteristics of thousands of X-SYNC chainrings. The longer, positive-rake tooth shape has been designed to work perfectly with the new Eagle chain to increase chain retention and overall pedaling efficiency, while decreasing friction, noise, and wear. - X-SYNC 2 chainring design increases chain retention, wear life, and reduces friction and noise. - Designed to be used with Eagle chain - Boost 3mm offset
$128.00
Eagle Technology creates the smoothest, quietest, longest lasting and most efficient drivetrains SRAM has ever made. The radical new look and feel of the X-SYNC 2 Eagle chainring is a direct result of SRAM drivetrain engineers studying the performance and wear characteristics of thousands of X-SYNC chainrings. The longer, positive-rake tooth shape has been designed to work perfectly with Eagle chains to increase chain retention and overall pedaling efficiency, while decreasing friction, noise, and wear. The complete Eagle system—crankset, chainring, chain, shifter, derailleur and cassette—is designed, tested, and proven to deliver the ultimate mountain bike drivetrain. Put simply, Eagle is capable of revolutionizing the ride for all riders on every kind of terrain. - Designed to be used with Eagle chains - Material: Aluminum
$128.00
Rugged durability comes naturally to the XX SL Eagle T-Type direct mount chainring. Finished with a distinct, dual-spoke design your shifting will never be compromised. - Light weight and incredibly durable aluminum chainring - 8-bolt direct mount design (Mounting bolts included) - Compatible with SRAM T-Type chains
$128.00
Designed for use with SRAM's XX SL Eagle power meter, these Thread Mount replacement rings are purpose made for use with the XX SL proprietary spider design. This chainring mount system allows reduced weight without compromising reliability. - Proprietary Thread-Mount design specifically for use with XX SL Power Meter spiders - Light weight and incredibly durable aluminum chainring - Compatible with SRAM T-Type chains - SRAM Threaded chainring tool required for installation (Sold separately - TL0190)
$114.00
- Drivetrain Speeds: 11 - Chainring BCD: 110 Shimano Asymmetric - Material: Aluminum
$113.08
- The oversized chainrings are CNC machined 7075 Aluminium blanks—2mm thicker than the competition. - Unparalleled stiffness is delivered by an increased Bolt Circle Diameter (BCD) and a two-piece insert-molded carbon composite construction. - The XX Crank geometry provides a narrow 156mm Q factor, efficient chainline, and beveled crank arms to maximize clearance. - X-Glide is the pure science in action common denominator that gives XX its unmatched shifting performance. - 80mm BCD
$65.00 - $110.00
Shimano XT M8000 11-Speed Chainrings - Chainring BCD: 96 Shimano Asymmetric - Color: Black - Drivetrain Speeds: 11 - Material: Aluminum - Ring Position/Type: Inner - Tooth Count: 34
$93.99 - $107.99
FSA Pro Track Chainrings are CNC Machined AL7075/T6 with laser-etched logos. - Requires 1/2" x 1/8" chain
$107.00
SRAM's Red road chainrings are stamped from 7075 aluminum for low weight and excellent strength. The teeth are ramped and pinned for precision shifting, too.
$107.00
Eagle Technology creates the smoothest, quietest, longest-lasting, and most efficient drivetrains we've ever made. The radical new look and feel of our X-SYNC 2 Eagle chainring is a direct result of SRAM drivetrain engineers studying the performance and wear characteristics of thousands of X-SYNC chainrings. The longer, positive-rake tooth shape has been designed to work perfectly with the new Eagle chain to increase chain retention and overall pedaling efficiency, while decreasing friction, noise, and wear. - X-SYNC 2 chainring design increases chain retention, wear life, and reduces friction and noise. - Designed to be used with Eagle chain - Boost 3mm offset
$107.00
Eagle Technology creates the smoothest, quietest, longest-lasting, and most efficient drivetrains we've ever made. The radical new look and feel of our X-SYNC 2 Eagle chainring is a direct result of SRAM drivetrain engineers studying the performance and wear characteristics of thousands of X-SYNC chainrings. The longer, positive-rake tooth shape has been designed to work perfectly with the new Eagle chain to increase chain retention and overall pedaling efficiency, while decreasing friction, noise, and wear. - X-SYNC 2 chainring design increases chain retention, wear life, and reduces friction and noise. - Designed to be used with Eagle chain - Non-Boost 6mm offset
$107.00
The radical look and feel of SRAM's X-SYNC 2 Eagle chainring is a direct result of SRAM drivetrain engineers studying the performance and wear characteristics of thousands of X-SYNC chainrings. They subjected every size of chainring to untold environmental and mechanical tortures, abuse and neglect, in both lab and real-world settings, to come up with a chainring that would augment the Eagle drivetrain’s performance in all conditions. The longer, positive-rake tooth shape has been designed to work perfectly with the Eagle chain to increase chain retention and overall pedaling efficiency, while decreasing friction, noise and wear.
$107.00
It’s undeniable that some riders’ pedaling styles benefit from oval chainrings, so SRAM has engineered the new X-SYNC 2 Oval chainrings to give them the advantage they want. They are the only oval option available with SRAM's genuine X-SYNC 2 teeth profile, so they are the only oval chainrings on the market that are 100-percent optimized for Eagle. - Can be used with Eagle 12 speed or SRAM 11 speed chains - Direct Mount Type: Direct Mount SRAM - Drivetrain Speeds: 10, 11, 12 - Material: Aluminum - Ring Position/Type: Chain Retaining Single Ring - Offset: -4 - Chainline/Hub Compatibility: 190/197 Hubs
$107.00
SRAM's X-Sync Boost Direct Mount Chainring features tall teeth with alternating tooth profiles that hold the chain amazingly well and still provide space for mud to clear. - Chainring BCD: SRAM BB30 Direct Mount, SRAM GXP Direct Mount - Color: Black - Drivetrain Speeds: 10, 11 - Material: Aluminum - Ring Position/Type: Chain Retaining Single Ring - Offset: 3mm
$107.00
Make SRAM 1x even better with the simplicity of the SRAM X-SYNC Direct Mount chainring. Engineered in Germany, the new Direct Mount rings brings lighter weight and greater simplicity to XX1, X01, X1-1400, and GX-1400 cranksets. SRAM’s Direct Mount rings give riders the perfect opportunity for a serious upgrade. - Fully CNC AL rings - X-SYNC technology - Lighter weight than spider version (~25-50g depending on size) - Offset: 0mm (BB30), 6mm (GXP)
$107.00
SRAM's X-Sync Road Chainrings are designed for provide maximum control when used with AXS road cranksets. - SRAM X-SYNC wide-tooth, narrow-tooth chainring technology provides maximum chain control - Laser-etched chainring finish is more durable - X-Range gearing technology gives you more range and a smoother gear progression, so you're always in the right gear - Can be installed with a single tool, making gearing changes a breeze
$107.00
Rugged durability comes naturally to the XX Eagle T-Type direct mount chainring. Finished with a distinct, dual-spoke design your shifting will never be compromised. - 3mm offset - Light weight and incredibly durable aluminum chainring - 8-bolt direct mount design (Mounting bolts included) - Compatible with SRAM T-Type chains
$107.00
Designed specifically for use e-mtb drive systems, SRAM’s XX T-Type direct-mount rings offer light weight with optimal retention performance needed for e-mtb. - Steel and Aluminum construction
$106.00
A tight and consistent 13-tooth gap between chainrings delivers accurate and dependable shifting and is the core of our X-Range gearing. Our smaller chainrings paired with wide-range, 10t-start cassettes provide more efficiency and more time in the big ring. It's modern gearing for today's riders. - Crisp and accurate front shifts - Durable finish - X-Range gearing technology gives you more range and a smoother gear progression, so you're always in the right gear
$61.99 - $105.99
absoluteBLACK Premium Oval 110 BCD Road Chainrings utilize absoluteBLACK's top-tier design features to greatly improve traction and speed. They are designed for Shimano Dura-Ace 9100, Ultegra 8000, & 105 R7000 4-bolt cranks only. Optimized with smooth shifting in mind, premium chainrings have a 6-point ramp and recess design. Chainrings are crafted from CNC machined 7075 aluminum and feature an anodized finish for exceptional durability. - Oval shape reduces stress on knees, helps to keep your legs fresh, and does not feel any different while riding - Chainring design reduces the possibility of leg cramps and allows you to maintain a better cadence while climbing - 10, 11, and 12-speed compatible - Ramps are designed specifically for a 50/34 combination - If only switching the inner chainring to oval, use all original crank bolts - 6.5% ovality is ideal for road climbing
$105.00
- 11s chainring for 2011-2014 Super Record, Record, Chorus and Comp Ultra - Threaded inner ring
$63.00 - $104.00
SRAM X-Sync Road Direct Mount Chainrings for Rival drivetrains feature a wide-tooth, narrow-tooth design to provide maximum chain control. - SRAM X-SYNC wide-tooth, narrow-tooth chainring technology provides maximum chain control - Laser-etched chainring finish is more durable - X-Range gearing technology gives you more range and a smoother gear progression, so you're always in the right gear Specifications: - Round or Oval: Round - Direct Mount Type: Direct Mount SRAM - Tooth Count: 38 - Material: Aluminum - Ring Position/Type: Chain Retaining Single Ring - Drivetrain Speeds: 12
$18.00 - $102.00
Shimano 105 FC-R7000 asymmetric 110 BCD chainrings for 2x11 drivetrains.
$100.00
Original equipment on SRAM and Truvativ cranks, these chainrings also work well with other drivetrains. - Medium Overshift Pin - 104mm BCD - Use with 22T
$69.99 - $99.99
Narrow/Wide tooth design for chain retention on 1x systems - Oval shape for increased power and efficiency - 10 or 11 speed compatible - Mud clearing channels - CNC 7075 Swiss Alloy - 4 bolt
$89.99 - $99.99
Narrow/Wide tooth design for chain retention on 1x systems - Oval shape for increased power and efficiency - 10 or 11 speed compatible - Mud clearing channels - CNC 7075 Swiss Alloy
$29.99 - $99.99
The all new Turbine 11 Speed rings are ready to ride. Completely redesigned from the ground up, these rings shift like nothing else. The Turbine rings are machined from 7075 aluminum, so they are built to last. Rings are CNC'd from 7075 alloy, creating a ring with instantaneous smooth and quiet shifting, even under load. These 2x rings are super stiff at a minimal weight, resulting in a ring that demonstrates sharp and quick shifts while being highly resistant to impacts.
$99.99
absoluteBLACK Silver Series Oval 110 BCD Chainrings feature many of the same benefits as absoluteBLACK's Premium line, but with less material machined out on the outer side, allowing for easier maintenance and cleaning. They are designed for Shimano 4-bolt cranks, such as Dura-Ace 9000, Ultegra 6800, 105 5800, and others. Optimized with smooth shifting in mind, these chainrings have a 6-point ramp and recess design. Chainrings are crafted from CNC machined 7075 aluminum and feature an anodized finish for exceptional durability. - Designed for your winter/training bike where weight is not an issue but ease of cleaning is - Oval shape reduces stress on knees, helps to keep your legs fresh, and does not feel any different while riding - Chainring design reduces the possibility of leg cramps and allows you to maintain a better cadence while climbing
$89.00 - $96.00
Mud and moving parts are enemies in the sport of cyclocross. That's why SRAM decided they were going to simplify things. Remove the front derailleur, increase the range of the cassette, make dropped chains a thing of the past, and you've got a cross drivetrain worthy of hammering. SRAM's CX1 X-Sync Chain Ring is an integral part of that system. It mates to 110 BCD cranks and features a wide-narrow-wide tooth profile to securely hold the chain through the roughest terrain. It's also specially designed with mud clearing in mind to keep your rig light and fast. A variety of sizes ranging from the spin-to-win 38T to the flat-out 46T let you dial in your rig for your strengths or course.
$96.00
SRAM's X-Sync 11-speed chainring features tall teeth with an alternating tooth profile to hold the chain amazingly well and still provide space for mud to clear. - Drivetrain Speeds: 10, 11 - Material: Aluminum - Ring Position/Type: Chain Retaining Single Ring
$69.95 - $94.95
Customize your ride with The Helix Race Direct Mount Chainring. Made from ultra-lightweight and durable AL-7075-T6, this chainring offers compatibility with SRAM™/Shimano™ chains and features a flip-flop design for chain line adjustment. With bold color options that match e*thirteen's popular components, it's the perfect addition to your dream rig, ensuring maximum strength and longevity. - E*thirteen QuickConnect Direct Mount rings include 1mm spacers, which allows them to be run on legacy cranks (TRS/LG1/XCX), as well as Helix and Helix R cranks - 3-bolt direct mount chainrings fit SRAM and other similar interface cranks - Tooth profile is compatible with both Shimano and SRAM chains in both 11 and 12-speed - Can be flipped to provide either a 52 or 55mm chainline
$93.99
Origin8's Thruster 110mm BCD 5-bolt chainring sets are great for road, 'cross, and gravel applications. Shifting ramps and stainless steel pins deliver smooth shifting, and these rings are 10 or 11 speed compatible. - Stamped AL2014-T6 alloy construction - BCD: 110mm 5-Bolt - Type: 2x - Chain Compatibility: 10/11s - Tooth Type: Standard
$92.99
absoluteBLACK Premium Sub-Compact 110 BCD Oval Chainrings are designed to improve your climbing and cadence. They are compatible with the majority of 110 BCD 5-bolt cranks. Chainrings are crafted from CNC machined 7075 aluminum and feature an anodized finish for exceptional durability. - Sub-Compact chainrings only work in the 48/32 size combination - Mounting bolts are included with the 32T ring - Oval shape reduces stress on knees, helps to keep your legs fresh, and does not feel any different while riding - Chainring design reduces the possibility of leg cramps and allows you to maintain a better cadence while climbing - Not compatible with SRAM Yaw front derailleurs - 10, 11, and 12-speed compatible - 8% ovality is ideal for climbing
$72.00 - $91.00
Original equipment on SRAM and Truvativ cranks, they also work well with other drive trains. - Supplied in TruVativ packaging - No retention pin, use with guard
$69.99 - $89.99
Narrow/Wide tooth design for chain retention on 1x systems - 10 or 11 speed compatible - Mud clearing channels - CNC 7075 Swiss Alloy
$85.99 - $89.99
Narrow/Wide tooth design for chain retention on 1x systems - 10 or 11 speed compatible - Mud clearing channels - CNC 7075 Swiss Alloy
$84.95 - $89.95
Wolf Tooth was first to market with cyclocross 1x specific chainrings because we saw cyclocross as the perfect use for our patent pending Drop-Stop® technology. These beautifully machined 110 BCD asymmetric 4-bolt chainrings are optimized for your 1x Shimano CX / road / gravel drivetrain whether you run Dura Ace 9000, Ultegra 6800, 105 5800, or Tiagra 4700. They are also offset for the ideal 1x chainline. - Fits 110 BCD Asymmetric 4-bolt Shimano cranks - Drop-Stop technology. On Wolf Tooth's patented wide/narrow chainring, the wide side of the tooth has maximum contact on the drive side which spreads the load and improves chainring life. The narrow side allows clearance for mud and debris which reduces friction. - Alternating wide/narrow tooth pattern prevents chain derailment Compatibility: - Fits 110 BCD asymmetric 4-bolt cranks - All sizes compatible with Dura Ace 9000, Ultegra 6800, 105 5800, RS510, Tiagra 4700 or 4703, Sora R3000 or R3030, and Claris R2000 or R2030 cranks. - 38-50t are compatible with 105 R7000, Ultegra R8000, and Dura-Ace R9100. The 36t chainring is NOT compatible with these cranks. - NOT compatible with Dura-Ace R9200, Ultegra R8100, and 105 R7100 Cranks - Size 42t and larger will work with the Dura Ace 9100 power meter - Mounts in the big ring position of the cranks but is offset inward for perfect chainline. - The stock 2x bolts will not work. You will need our 6mm bolts which are optimized for single ring mounting. - If using a 9-speed drivetrain use a 10-speed chain. It fits tighter for better chain retention - Chainline 47.5mm - Use Drop-Stop B for all SRAM Eagle, SRAM Road and Transmission (T-Type) Flattop chains, 9, 10, and 11spd chains or 12spd KMC, Connex, Wippermann, Campagnolo. DROP-STOP B Compatible 9, 10, 11, and 12spd SRAM Eagle, 12spd SRAM Transmission (T-type) Flattop, 12spd Campy, 12spd KMC Not compatible with 12spd Shimano HG+ chains
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