F-Si Carbon 4
A 29″ carbon frame hardtail crosscountry bike with upper mid-range components.
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Manufacturer Price
$3,350Weight | 24.5 lbs |
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Frame | Carbon |
Suspension | Hardtail, 100mm |
Fork | Cannondale Lefty Ocho |
Wheels | 29″ Aluminum |
Drivetrain | 1 × 12 |
Groupset | NX Eagle, Truvativ Stylo |
Brakes | Hydraulic Disc |
For This Bike
5'2" – 5'5"
5'5" – 5'10"
5'7" – 6'1"
6'0" – 6'6"
None yet.
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Feb 2020 · Aaron Borrill
Fast, composed and damn-good looking, Cannondale's F-Si Carbon 3 proves the hardtail concept is anything but dead
Stealthy aesthetics
Impressive ride quality
Telepathic handling dynamics
Decent spec level
Could be lighter
Dec 2019 · McCoy
A sleek, race-ready cross-country weapon
Jan 2019 · Guy Kesteven
Uniquely-forked, arse-kicking ultralight XC racer but not for the faint-hearted or under-financed. Buy if you want a fast and ferocious XC racer
Unique fork and wishlist kit spec make it a real head turner, seriously light yet stiff enough to track hard, well-controlled but lightweight fork, nicely balanced between max power delivery and reasonable punishment
Unique features can create spares issues, high cost goes with the territory, not the lightest frame, fork or off-the-peg bike
Nov 2018 · Steve Solt
This carbon hardtail is light, sharp, and features the distinctive Lefty Ocho fork
May 2018
Before the World Cup XC racing in Albstadt, we put in some first rides on Cannondale's next gen carbon XC hardtail & its all-new single crown Lefty fork. Built as an ultimate hardtail for steep & technically challenging modern courses, we turned some hot laps on the World Cup track, riding with the bike's design team.
Frame | BallisTec Carbon, SAVE, PF30-83, tapered head tube, Speed Release 12mm thru axle, Ai Offset BB Standard: PF30, 83mm, Press Fit Color: Crush |
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Fork | Lefty Ocho, 29", 100mm, Chamber Damper with cable lockout, OppO Spring System, tapered steerer, 55mm offset Travel: 100mm |
Bottom Bracket | SRAM DUB PF30 MTB83 |
Headset | Integrated, 1-1/8 to 1.5", sealed angular contact bearings (Integrated steer stop size small only) |
Stem | Cannondale 3, 6061 Alloy, 31.8, 7° |
Handlebar | Cannondale 3 Flat, 6061 double-butted Alloy, 31.8mm, 3° rise, 8° sweep, 760mm |
Saddle | Fabric Scoop Flat Elite, cro-mo rails |
Seatpost | Cannondale 3, 7075 Alloy, 27.2 x 400mm Type: Rigid |
Pedals | Not Included |
Grips | Cannondale Locking Grips |
Rear Derailleur | SRAM NX Eagle |
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Crank | Truvativ Stylo 6K DUB, 34T, Ai offset |
Shifters | SRAM NX Eagle, 12-speed |
Cassette | SRAM PG-1230, NX Eagle, 11-50, 12-speed |
Chain | SRAM NX Eagle, 12-speed |
Brakes | Shimano MT500 hydro disc, 160/160mm RT66 rotors Type: Hydraulic Disc |
Brake Levers | Shimano MT500 hydro disc |
Rims | WTB STX i21 TCS, 28h, tubeless ready |
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Spokes | DT Swiss Champion |
Front Hub | (F) Lefty 60 |
Rear Hub | (R) Formula 12x148 w/ HG driver |
Tires | (F) Schwalbe Racing Ray Performance 27.5/29 x 2.25", Addix Compound, tubeless ready(R) Schwalbe Racing Ralph Performance 27.5/29 x 2.25" rear, Addix compound, tubeless ready |
Last updated October 28
Not listed for 181 days