Compare bikes: Compare Cannondale F-Si F-Si Carbon 4 (2017) vs. Trek Top Fuel Top Fuel Carbon Frameset (2017) - Findabike

KMC X11, 11-speed

Crank: Cannondale Si, Ai, BB30, FSA 26/36 rings - Crank Option: N/A

Shimano SLX , 2x11

SunRace, 11-40, 11-speed

Lefty 2.0, 100mm, PBR Isolated Damper Technology with XC+ tune and updated controls, Offset - 50mm (S), 55mm (M-X)

F-Si, BallisTec Carbon, SPEED SAVE, PF30A, 1.5 Si Head Tube, Ai Offset, 27.5" (S), 29" (M-X)

OCLV Mountain Carbon main frame and stays, ABP, Full Floater, EVO link, E2 tapered head tube, Mino Link, MicroTruss, Control Freak internal routing, Carbon Armor, PF92, Boost148 and G2 Geometry on 29ers, 100mm travel

Cannondale HeadShok Si

Integrated, cartridge bearing, sealed, 1-1/8" top, 1.5" bottom

Rear: Fox Factory Float, RE:aktiv XC 2-position remote damper, Kashima Coat, tuned by Trek Suspension Lab, 6.5x1.5"

Cannondale C3, 6061 Alloy, 1.5", 31.8, -5 deg.

Lefty 60 front, Formula DC-1422 rear (Ai Offset dish - Rear)

WTB STP i19 Tubeless Ready

DT Swiss Competition (Ai Offset dish - Rear)

Schwalbe Racing Ralph Performance 29/27.5x2.1", tubeless ready

Brakes: Shimano Deore hydraulic disc, 180/160mm (S-160/160mm) - Brake Levers: Shimano Deore

Cannondale C3 flat, 6061 double-butted alloy, 700mm

Cannondale Locking Grips

Prologo K3

Cannondale C3, 6061 alloy, 27.2x350mm (XS,S,M) 400mm (L,X)

Cannondale C3, 6061 Alloy, 1.5", 31.8, -5 deg.

N/A