F-Si Carbon 4 | Cross Country Bikes | Cannondale

F-Si Carbon 4

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          Light, but it's no lightweight.

          A pure XC race mountain bike. Loaded with performance features that ensure victory, all while weighing next to nothing.

          Where it thrives

          In competition, up and down hills

          What it's built for

          Speed, agility, handling

          Highlights

          • BallisTec Carbon frame / Lefty Ocho 100mm fork / Integrated Cannondale App connectivity
          • SRAM NX/SX Eagle 12-speed drivetrain
          • Shimano MT500 hydraulic disc brakes
          Connected
          An integrated wheel sensor delivers hyper accurate speed, route and distance info, registers your bike, reminds you of needed service and more, all through the free Cannondale App.
          Learn more
          SAVE micro-suspension
          Flex zones and directional carbon layup allow the rear triangle and seat tube to absorb shock for better traction, higher speeds and minimized fatigue, whether seated or standing. Go faster longer.

          Specs

          Connectivity

          • Wheel Sensor
            Cannondale Wheel Sensor

          Drivetrain

          • Bottom Bracket
            SRAM DUB PF30 MTB83
          • Chain
            SRAM SX Eagle, 12-speed
          • Crank
            SRAM X1-1000 Eagle DUB, 34T, Ai offset
          • Rear Cogs
            SRAM SX Eagle, 11-50, 12-speed
          • Rear Derailleur
            SRAM NX Eagle
          • Shifters
            SRAM NX Eagle, 12-speed

          Frameset

          • Fork
            Lefty Ocho, 100mm, Chamber Damper with remote lockout, OppO Spring System, tapered steerer, 55mm offset
          • Frame
            BallisTec Carbon, SAVE, PF30-83, tapered head tube, Speed Release 12mm thru axle, Ai Offset
          • Headset
            Integrated, 1-1/8 to 1.5", sealed angular contact bearings (Integrated steer stop size small and extra small only)

          Wheels

          • Front Hub
            Lefty 60
          • Rear Hub
            Shimano MT400 12x148
          • Rims
            WTB STX i23 TCS, 32h, tubeless ready
          • Spokes
            DT Swiss Competition
          • Tire Size
            2.25
          • 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
          • Wheel Size
            29

          Brakes

          • Brake Levers
            Shimano MT500 hydraulic disc
          • Brakes
            Shimano MT500 hydraulic disc, 160/160mm RT54 rotors

          Components

          • Grips
            Fabric FunGuy
          • Handlebar
            Cannondale 2 Flat, butted 2014 Alloy, 31.8mm, 3° rise, 8° sweep, 760mm
          • Saddle
            Fabric Scoop Shallow Sport, steel rails
          • Seatpost
            Cannondale C3, 6061 Alloy, 27.2 x 350mm (S), 400mm (M-XL)
          • Stem
            Cannondale 3, 6061 Alloy, 31.8, 7°

          Please note that, based on component availability and other factors, specifications are subject to change without notice.

          Geometry

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          Highlights

          Where It Thrives

          What It's Built For

          Specifications

          Brakes

          Brake Levers

          Details

              Brakes

              Details

                  Components

                  Grips

                  Details

                      Handlebar

                      Details

                          Saddle

                          Details

                              Seatpost

                              Details

                                  Connectivity

                                  Power Meter

                                  Details

                                      Speed Sensor

                                      Details

                                          Wheel Sensor

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                                              Drivetrain

                                              Bottom Bracket

                                              Details

                                                  Chain

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                                                      Crank

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                                                          Front Derailleur

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                                                              Pedals

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                                                                  Rear Cogs

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                                                                      Rear Derailleur

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                                                                          Shifters

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                                                                              E-System

                                                                              E-System Drive Unit

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                                                                                  E-System Battery

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                                                                                      E-System Charger

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                                                                                          E-System Display

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                                                                                              Extra

                                                                                              Extra 1

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                                                                                                  Frameset

                                                                                                  Frame

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                                                                                                      Headset

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                                                                                                          Rear Shock

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                                                                                                              Visibility

                                                                                                              Lights

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                                                                                                                  Paint

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                                                                                                                      Tire Sidewalls

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                                                                                                                          Wheels

                                                                                                                          Front Hub

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                                                                                                                              Front Tire

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                                                                                                                                  Rear Hub

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                                                                                                                                      Rear Tire

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                                                                                                                                          Spokes

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                                                                                                                                              Tire Bead

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                                                                                                                                                  Tire Casing

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