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Cyclestore is an Official Cannondale UK dealer and stockist. Cyclestore.co.uk carries the full range of Cannondale Road and Mountain Bikes. To find out more about Cannondale bikes, go to the Cannondale Bikes homepage.
A pure XC race mountain bike. Loaded with performance features that ensure victory all while weighing next to nothing.
A faster, better thru-axle. The slotted dropout design lets the axle stay in the hub for quicker, easier wheel changes. Compatible with standard 148x12 thru-axle hubs. It’s a better way thru.
Proprietary Ai offset drivetrain delivers super short chainstays for climb-winning traction and agile handling, without sacrificing mud/tire clearance or limiting you to single ring set-ups.
Confidently stable on hectic descents, yet quick and nimble everywhere else - OutFront Steering Geometry gives you the best of both worlds.
Cannondales premium high-strength, high-stiffness carbon construction. An advanced blend of intermediate, high, and ultra-high modulus fibers yields a frame that’s extremely light, durable, and lively.
In competition, up and down hills
Speed, agility, handling
Model Number | C25501M |
Model Name | F-Si Carbon 4 |
Frame | BallisTec Carbon, SAVE, PF30-83, tapered head tube, Speed Release 12mm thru axle, Ai Offset |
Fork | Lefty Ocho, 100mm, Chamber Damper with remote lockout, OppO Spring System, tapered steerer, 55mm offset |
Rims | WTB STX i23 TCS, 32h, tubeless ready |
Hubs | (F) Lefty 60 / (R) Shimano MT400 12x148mm thru-axle |
Spokes | DT Swiss Competition |
Tires | (F) Schwalbe Racing Ray Performance, 29 x 2.25, Addix Compound, tubeless ready, (R) Schwalbe Racing Ralph Performance, 29 x 2.25, Addix Compound, tubeless ready |
Crank | SRAM X1-1000 Eagle DUB, 34T, Ai offset |
Bottom Bracket | SRAM DUB PF30 MTB83 |
Chain | SRAM SX Eagle, 12-speed |
Rear Cogs | SRAM SX Eagle, 11-50, 12-speed |
Rear Derailleur | SRAM NX Eagle |
Shifters | SRAM NX Eagle, 12-speed |
Handlebar | Cannondale 2 Flat, butted 2014 Alloy, 31.8mm, 3° rise, 8° sweep, 760mm |
Grips | Fabric FunGuy |
Stem | Cannondale 3, 6061 Alloy, 31.8, 7° |
Headset | Integrated, 1-1/8 to 1.5, sealed angular contact bearings (Integrated steer stop size small and extra small only) |
Brakes | Shimano MT500 hydraulic disc, 160/160mm RT54 rotors |
Brake Levers | Shimano MT500 hydraulic disc |
Saddle | Fabric Scoop Shallow Sport, steel rails |
Seatpost | Cannondale C3, 6061 Alloy, 27.2 x 350mm (S), 400mm (M-XL) |
Speeds | 12 |
Extras | |
Connectivity | Cannondale Wheel Sensor |
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