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Felt Bicycles F1x
  • Color: Matte TeXtreme Aqua
  • Color: Matte TeXtreme Aqua

Felt Bicycles


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Product Rating
5.0 stars
 (1 Review)

2018 Felt Bicycles F1x

Engineered for the most punishing conditions of cyclocross, the F1x is the pinnacle of the Fx family and the choice of World Champion Wout Van Aert. By removing the seat-stay bridge, Felt engineers were able to increase tire clearance while maintaining lateral stiffness from a wider BB386 bottom bracket. The frame is both incredibly responsive and exceptionally durable thanks to its UHC Advanced + TeXtreme construction, which features internal routing and comes equipped with a SRAM Force CX1 drivtrain with hydraulic disc brakes. Other top-shelf components include a Quarq Prime Carbon crankset, 3T handlebar, stem, and seatpost and DT Swiss wheelset with Schwalbe X-One tires.

Features and Information

Specification Description
Frame Felt Cyclocross UHC Advanced + TeXtreme carbon fiber, MMC with InsideOut construction, BB386 bottom bracket shell, 12 x 142mm Syntace style thru axle, shoulder friendly top tube, flat mount disc brake standard, replaceable rear derailleur hanger, internal mechanical or electronic cable routing
Fork Felt Cyclocross UHC Ultimate + TeXtreme carbon fiber monocoque construction, ControlTaper 1.125-inch - 1.5-inch carbon fiber steerer tube, integrated crown, and blades, flat mount disc standard, 12 x 100mm thru axle
Headset FSA integrated sealed cartridge bearing with Felt VariableHeight Cone Spacers (20mm PC, 4.5mm aluminum), Felt top cap, No.42, 1.125 - 1.5-inch
Axles Front: 12 x 100mm thru-axle
Rear: 12 x 142mm thru-axle
Rims/Wheels DT Swiss F1850 tubeless ready, 18mm inner width, 23mm depth, 1650g (wheelset)
Hubs DT Swiss 370, 12 x 100mm thru axle, 6-bolt, 24H; DT Swiss 370, 11-speed, 12 x 142mm thru axle, 6-bolt, 24H
Spokes Front: DT Swiss Aerocomp 2.0/1.25/2.3 Bladed; Rear: DT Swiss New aero 2.0/1.2/3.0 (DS) and Aerocomp 2.0/1.0/2.8 (NDS)
Tires Schwalbe X-One All Around MicroSkin TL-Easy, folding, 700 x 33c
Crankset Quarq Prime Carbon
Chainrings XSYNC 40T and 38T
Bottom Bracket Token BB386 with 30mm bearings
Chain SRAM 11-speed
Rear Derailleur SRAM Force CX1, 11-speed medium cage
Cassette/Rear Cogs SRAM 11-speed, 11-32T
Shifters SRAM Force Cx1, 1x11
Handlebars 3T Ergoterra Team Stealth, 89mm reach, 128mm drop, 31.8mm
Tape/Grips Felt CxGel tape with Felt Bubble-Tech F-Wing bar end plugs
Stem 3T ARX II Team Stealth, 6° rise, 31.8mm
Brake Levers SRAM Force Cx1, hydraulic
Brakes SRAM Force Cx1 hydraulic disc flat mount with 160mm Centerline rotor; SRAM Force Cx1 hydraulic disc flat mount with 140mm Centerline rotor
Saddle Prologo X0 TiRox
Seat Post 3T Ionic 25 Team VR Stealth, 27.2mm x 350mm length
Accessories & Extras Carbon assembly paste, chain plate protector, tubeless valve stems, extra chainring

* Subject to change without notice.


by PowerReviews
--- [ Replace PRoduct Name ] ---
5.0 stars

(based on 1 review)


of respondents would recommend this to a friend.

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  • Versatile 
  • Fast 
  • Durable 
  • Go-anywhere 


  • Cantilever brakes 

Best Uses

  • Multi-surface Road Riding 
  • Untechnical trails 
  • Cyclocross Racing 

Reviewed by 1 customers

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(4 of 4 customers found this review helpful)


If you could have only one...

By Vicio por la Bici

from Longmont, CO

About Me Competitive Cyclist


  • Durable
  • Go-anywhere
  • Versatile
  • Fast


  • Cantilever brakes

Best Uses

  • Cyclocross Racing
  • Untechnical trails
  • Multi-surface Road Riding


The Felt F1X is probably the most fun bike I own among a collection of 6 beauties. It's not the lightest, it's not the burliest, it's just the most versatile — and that makes every ride fun. I love to do mixed-terrain rides where I crank at 20-30 mph on the road, tackle dirt or gravel-strewn roads and even take on a more technical trail or two at the end or the middle. I don't feel like I'm being held back at any point. It's just about as fast as my ProTour-worthy road bike and it only spots it 3 pounds. It's not as durable as my mountain bike but it's A LOT faster on the road and across light trail (which is a lot of terrain). And, if you haven't tried cross racing, treat yourself. It's a blast! The races are short and the atmosphere is awesome. The Felt has a lot of nice touches: an easily shoulderable top tube, race-worthy spec including an Ultegra derailleur, nice cable routing that won't wear against your frame and cushy tape that feels great as you rumble over rough terrain. I didn't know that much about Felt before riding this bike but I'm thoroughly impressed.

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Option Barcode Manufacturer's Part Number
Matte TeXtreme Aqua / 47cm 4251206317591 BBHAA19 000047
Matte TeXtreme Aqua / 50cm 4251206317607 BBHAA19 000050
Matte TeXtreme Aqua / 53cm 4251206317614 BBHAA19 000053
Matte TeXtreme Aqua / 55cm 4251206317621 BBHAA19 000055
Matte TeXtreme Aqua / 57cm 4251206317638 BBHAA19 000057
Matte TeXtreme Aqua / 60cm 4251206317645 BBHAA19 000060