• F-Si Carbon 4, cross country bike, cross country mountain bike, MTB, cannondale, xc mountain bike, lefty, hardtail mountain bike
  • F-Si Carbon 4, cross country bike, cross country mountain bike, MTB, cannondale, xc mountain bike, lefty, hardtail mountain bike
  • F-Si Carbon 4, cross country bike, cross country mountain bike, MTB, cannondale, xc mountain bike, lefty, hardtail mountain bike
  • F-Si Carbon 4, cross country bike, cross country mountain bike, MTB, cannondale, xc mountain bike, lefty, hardtail mountain bike

Level Up

The world's best XC hardtail just got better. If going really, really fast on dirt is your cup o' tea, nothing lets you top 'em on the climbs and drop 'em on the descents like the all-new F-Si.

Specifications

Component Overview

Fork

ALL-NEW Lefty Ocho, Chamber Damper with Cable Lockout, 100mm Travel

DriveTrain

SRAM NX Eagle

Brakes

Shimano MT500 Hydro Disc

Crank

Truvativ Stylo 6K Crankset

Frame

ALL-NEW F-Si, BallisTec Carbon, SAVE

Wheelset

WTB STX i23 TCS Rims / Lefty 60 and Formula Hubs

Frame

ALL-NEW F-Si, BallisTec Carbon, SAVE, PF30A, tapered head tube, Speed Release 12mm thru axle, Ai Offset

Fork

ALL-NEW Lefty Ocho, 29", 100mm, Chamber Damper with cable lockout, OppO Spring System, tapered steerer, 55mm offset

Rims

WTB STX i23 TCS, 28h, tubeless ready

Hubs

Lefty 60 front, Formula 12x148 rear w/ HG driver

Spokes

DT Swiss Champion (Ai Offset dish - rear)

Tires

Schwalbe Racing Ray Performance 29 x 2.25" front, Racing Ralph Performance 2.25" rear, Addix Compound, tubeless ready

Pedals

Not Included

Crank

Truvativ Stylo 6K, 34T, Ai Custom

Bottom Bracket

Cannondale Alloy PressFit30

Chain

SRAM NX Eagle, 12-speed

Rear Cogs

SRAM PG-1230, NX Eagle, 10-50, 12-speed

Rear Derailleur

SRAM NX Eagle

Shifters

SRAM NX Eagle, 12-speed

Handlebar

Cannondale C3 Flat, 6061 double-butted Alloy, 8-degree sweep, 760mm

Grips

Cannondale Locking Grips

Stem

Cannondale C3, 3D Forged 6061 Alloy, 1-1/8", 31.8, 7-degree

Headset

Integrated, 1-1/8 to 1.5", sealed angular contact bearings (Integrated steer stop size small only)

Brakes

Shimano MT500 hydro disc, 160/160mm RT66 rotors

Brake Levers

Shimano MT500 hydro disc

Saddle

Fabric Scoop Flat Elite, cro-mo rails

Seatpost

Cannondale C3, 7075 Alloy, 27.2 x 400mm

Sizes

S, M, L, XL

Extras

Speed Release rear axle

Innovation AND Technology

  • Ai - ASYMMETRIC INTEGRATION DRIVETRAIN OFFSET
  • PROPRIETARY BALLISTEC™ CARBON
  • FLAT MOUNT BRAKES
  • INDUSTRY STANDARD TAPERED HEADTUBE
  • ALL-NEW LEFTY OCHO
  • INTERCHANGEABLE ROUTING CHIPS
  • SAVE STAYS
  • INTEGRATED SEAT COLLAR

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

Ai - ASYMMETRIC INTEGRATION DRIVETRAIN OFFSET

Ai - ASYMMETRIC INTEGRATION DRIVETRAIN OFFSET

PODIUM-LEVEL TRACTION AND CLEARANCE.

PROPRIETARY BALLISTEC™ CARBON

PROPRIETARY BALLISTEC™ CARBON

CUSTOM-TUNED FOR RIGIDITY, COMPLIANCE, LIGHT WEIGHT.

FLAT MOUNT BRAKES

FLAT MOUNT BRAKES

LATEST, MEET GREATEST.

INDUSTRY STANDARD TAPERED HEADTUBE

INDUSTRY STANDARD TAPERED HEADTUBE

LIGHT. STIFF. STANDARD.

ALL-NEW LEFTY OCHO

ALL-NEW LEFTY OCHO

THE MOST TECHNOLOGICALLY ADVANCED FORK. EVER. LIGHTER. SMOOTHER. SHARPER.

INTERCHANGEABLE ROUTING CHIPS

INTERCHANGEABLE ROUTING CHIPS

CLEAN, CONFIGURABLE INTERNAL CABLE ROUTING.

SAVE STAYS

SAVE STAYS

OPTIMIZED CARBON LAYUPS FOR SUPERIOR COMFORT AND CONTROL.

INTEGRATED SEAT COLLAR

INTEGRATED SEAT COLLAR

SUPERIOR SEATED COMFORT, SLEEKER LOOK

Rider Position / Bike Geometry

2019 Cannondale F-Si Lefty Geometry

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