F-Si

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

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Specifications

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Platform

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      Model Name

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          Model Code

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              Frameset

              Frame

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                  Headset

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                      Rear Shock

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                          E-System

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                              Battery

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                                      Display

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                                          Drivetrain

                                          Rear Derailleur

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                                              Front Derailleur

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                                                  Shifters

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                                                      Chain

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                                                              Rear Cogs

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                                                                  Bottom Bracket

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                                                                      Pedals

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                                                                          Brakes

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                                                                                  Wheels

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                                                                                          Spokes

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                                                                                              Tires

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                                                                                                          Front Tire

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                                                                                                              Rear Tire

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                                                                                                                                  Components

                                                                                                                                  Handlebar

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                                                                                                                                      Grips

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                                                                                                                                          Saddle

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                                                                                                                                              Seatpost

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                                                                                                                                                  Connectivity

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                                                                                                                                                      Power Meter

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                                                                                                                                                          Speed Sensor

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                                                                                                                                                              Extra

                                                                                                                                                              Extra 1

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                                                                                                                                                                  Visibility

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                                                                                                                                                                      Paint

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                                                                                                                                                                          Tire Sidewalls

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                                                                                                                                                                                Designed for the win
                                                                                                                                                                                At just 900 grams, the F-Si Hi-Mod is the lightest mountain bike frame we’ve ever made. Better still, our engineers built in real compliance, real durability, and the handling and features that really win races.

                                                                                                                                                                                F-Si attacks the steepest climbs and nastiest descents of modern World Cup XC courses. The Ai offset drivetrain and OutFront steering geometry deliver an uncanny mix of stability, agility and traction.

                                                                                                                                                                                The Best XC Suspension Fork in the World
                                                                                                                                                                                Lefty, simply the most advanced, smoothest, most precise-handling ultralight XC fork ever made. Its one-of-a-kind design lets it float through the chop and steer through the chunder like nothing else.
                                                                                                                                                                                Learn more