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Felt Bicycles Doctrine Advanced XT

Felt Bicycles Doctrine Advanced XT
  • Color: Aqua
  • Color: Charcoal
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The Doctrine represents the lightest, sleekest, and most capable hardtail design we've ever developed. At the heart of the Doctrine Advanced XT is a winning carbon frame spec'd with a great assortment of parts that'll handle the rigors of training and racing.

- UHC Performance carbon fiber frame
- FOX 32 Step-Cast Performance Elite 120mm fork
- Shimano XT 12-speed drivetrain
- Shimano XT M8100 hydraulic disc brakes


Frame Felt XC, UHC Advanced carbon fiber, MMC with InsideOut construction, full carbon dropouts, ControlTaper head tube, low-direct front derailleur mount, replaceable derailleur hanger, flat mount disc mounts, BSA Threaded bottom bracket, Syntace style thru axle, internal derailleur cable routing
Fork FOX 32 Step-Cast Performance Elite, 120mm travel, lockout remote
Headset FSA integrated sealed cartridge ACB bearing, No. 42, 1.125" - 1.5"
Axles Custom Reynolds TR249 carbon wheelset, tubeless ready, 24mm inner width
Rims/Wheels Front: Reynolds, Center Lock
Rear: Reynolds, Shimano Micro Spline, Center Lock
Spokes Schwalbe Racing Ray Evo front / Racing Ralph Evo rear, SnakeSkin, folding, tubeless ready, 29 x 2.25"
Tires Shimano XT, SM: 170mm, MD/LG/XL: 175mm
Crankset 32T
Chainrings Shimano, BSA threaded, 73mm
Bottom Bracket Shimano XT M8100, 12-speed
Front Derailleur Shimano XT M8100, 12-speed
Cassette/Rear Cogs Shimano XT M8100, 1x12
Shifters Devox carbon flat top, 31.8mm, 8mm rise, 9-deg sweep, 720mm wide
Handlebars Silicone Foam
Tape/Grips Devox, ±7-deg rise, 31.8mm with Cr-Mo bolts, XS/SM: 60mm, M/L: 70mm, XL: 90mm
Stem Shimano
Brake Levers Front: Shimano XT M8100 hydraulic disc, 180mm rotor
Rear: Shimano XT M8100 hydraulic disc, 160mm rotor
Pedals Prologo Kappa RS, T2.0 rails
Saddle Devox carbon post, forged head, 15mm offset, 27.2, XS/SM: 350mm, MD/LG/XL: 400mm

* Subject to change without notice.

Part Numbers

Option UPC MPN
Aqua / 14-inch 840077005795 BBIBC01 000014
Aqua / 16-inch 840077005801 BBIBC01 000016
Aqua / 18-inch 840077005818 BBIBC01 000018
Aqua / 20-inch 840077005825 BBIBC01 000020
Aqua / 22-inch 840077005832 BBIBC01 000022
Charcoal / 14-inch 840077005849 BBIBC02 000014
Charcoal / 16-inch 840077005856 BBIBC02 000016
Charcoal / 18-inch 840077005863 BBIBC02 000018
Charcoal / 20-inch 840077005870 BBIBC02 000020
Charcoal / 22-inch 840077005887 BBIBC02 000022