Built for today's hardcore XC, F-Si Carbon is the fastest XC hardtail ever made.

Specifications

Component Overview

DriveTrain

Shimano XTR Di2

Brakes

Shimano XT

Crank

HollowGram Si

Frame

Ballistec Hi-Mod Carbon

Wheelset

Cannondale CZero SL

Wheel Size

29" | 27.5"

Frame

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

Fork

Lefty 2.0 Carbon, 100mm, XLR Isolated Damper Technology with XC+ tune and XLoc remote, Offset - 50mm (S), 55mm (M-X)

Rear Shock

N/A

Rims

Cannondale CZero SL, Superlight Hi-Impact Carbon, Tubeless Ready, 28hole, 23mm ID, Ai Offset Rear

Hubs

CZero Straight Pull, Lefty 60 front, 39-point engagement rear, 28h (Ai Offset dish - Rear)

Spokes

DT-Swiss Aerolite (Ai Offset dish - Rear)

Tires

Schwalbe Racing Ralph EVO Snakeskin, 29/27.5x2.25", folding, tubeless ready

Pedals

N/A

Crank

Cannondale HollowGram Si, BB30 w/ Ai SpideRing, X-Sync®, 32t

Crank Option

N/A

Bottom Bracket

Cannondale Alloy PressFit30

Chain

Shimano CN-HG601, 11-speed

Rear Cogs

Shimano XT, 11-42, 11-speed

Front Derailleur

N/A

Rear Derailleur

Shimano XTR Di2, 11-speed

Shifters

Shimano XT Di2, 11-speed

Handlebar

Cannondale CZero flat, Carbon, 760mm

Grips

Cannondale Locking Grips

Stem

Cannondale C1, 6061 Alloy, 1.5", 31.8, -5 deg.

Headset

Cannondale HeadShok Si

Brakes

Shimano XT, 160/160mm, Ice Tech Rotors

Brake Levers

Shimano XT

Saddle

Prologo Zero II TiRox Rail

Seatpost

Cannondale SAVE2 Carbon, 27.2x400mm

Sizes

S (27.5") M,L,XL (29")

Extras

Tubeless Kit

Innovation AND Technology

  • Ballistec Carbon Frame
  • Asymmetric Integration
  • System Integration
  • SPEED SAVE
  • SAVE features for everyday riding.

Rider Position / Bike Geometry

A true cross country race position. The geometry will flatten your back but keep your arms relaxed for shock absorption and still in the pefect angle to help in the steep climbs.

xc-mountain

Innovation AND Technology

Ballistec Carbon Frame

BallisTec is Cannondale's proprietary method of high-strength, high-stiffness carbon construction. It is the ideal blend of the most advanced materials in the world combined with the most advanced carbon engineering and design.

The results speak for themselves.

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.

System Integration

We pride ourselves in making the most kick-ass, cutting edge frames in cycling. But you don’t race a frame, you race a complete bike. It seems like common sense, but we stand alone in the industry with our System Integration approach to bike design. Cannondale Si approach incorporates our cutting edge frame design with custom designed Cannondale forks, suspension and drivetrain components.

This unique complete-bike design and build approach ultimately delivers the best performing bikes possible.

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.

SAVE features for everyday riding.

Simplified SAVE technology engineered for our alloy bikes. Whether hitting a pot hole, dodging obstacles on city streets or chasing the field in a crit, SAVE features are designed to remove the harshness, protect you from energy-sapping vibration and improve ride comfort.

Found on the CAAD8 and Synapse Alloy

Rider Position / Bike Geometry

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