The Cannondale F-SI AL 2 Mountain Bike Small Only is no longer available, although you may find similar or newer versions below.

Next-level XC performance for next-level racers. The fastest way from the starting chute to the finish line.

Asymmetric Integration
Ai our Asymmetrically Integrated Drivetrain System allows us to create bikes with ultra-short chainstays for traction handling and stiffness without any of the usual compromises in clearance or limited chainring options. And as a nice bonus it creates a stiffer stronger rear wheel as well.

SPEED SAVE
Race‐oriented SAVE features. Much like the suspension on F1 cars SPEED SAVE features are engineered to help the bike roll faster not simply to make it more comfortable. Emphasizing light weight and torsional rigidity SPEED SAVE delivers improved rolling speed better acceleration and dramatically improved cornering speed without negatively affecting power transfer.

Frame F-Si SmartForm C1 Alloy BB30 Flat Mount Brake 1.5 Si headtube S (27.5) M-XL (29)
Fork RockShox Reba RL 29/27.5 100mm tapered steerer 15mm Maxle OneLoc remote lockout 51mm offset

Rims Stans ZTR Rapid 32 hole tubeless ready
Hubs Formula DC51 front DC-22 rear
Spokes Stainless Steel 15g

Tires Schwalbe Racing Ralph Performance 29/27.5 x 2.1 tubeless ready

Pedals N/A

Crank FSA Comet MegaExo 36/26 11-speed
Bottom Bracket FSA MegaExo
Chain KMC X11 11-speed
Rear Cogs SunRace 11-40 11-speed

Front Derailleur Shimano SLX
Rear Derailleur Shimano XT 11-speed
Shifters Shimano SLX 2x11

Handlebar Cannondale C3 flat 6061 double-butted alloy 700mm
Grips Cannondale Locking Grips
Stem Cannondale C3 6061 Alloy 1-1/8 31.8 -5 deg.
Headset Tange 1.5 for Tapered Steer tubes

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

Saddle Cannondale Stage 3
Seatpost Cannondale C3 6061 alloy 27.2x350mm (SM) 400mm (LX)

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