Topstone 4

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          Explore further. Ride freer.

          A capable, versatile gravel road bike. Built for chasing horizons, exploring routes less travelled or accelerating your commute.

          Where it thrives

          Gravel roads, out in the elements

          What it's built for

          Traction, handling, comfort

          Highlights

          • Light, durable SmartForm C2 Alloy Frame w/ full carbon fork
          • microSHIFT Advent X 10-speed shifting / Promax mechanical disc brakes
          • WTB Riddler Comp tires, 700 x 37c
          Feel the light
          Light and lively, smooth yet snappy. Topstone's SmartForm C2 Alloy construction showcases our decades of expertise in aluminum craftsmanship.

          Specs

          Details

          Frameset

          • Frame
            SmartForm C2 Alloy, 12x142 thru-axle, tapered headtube, flat mount disc, StraightShot internal cable routing, multiple gear/bottle mounts
          • Fork
            BallisTec Full Carbon, 1-1/8" to 1-1/4" steerer, 55mm OutFront offset, flat mount disc, internal routing, 12x100 thru axle
          • Headset
            Integrated, 1-1/8" - 1-1/4"

          Drivetrain

          • Rear Derailleur
            microSHIFT Advent X
          • Shifters
            microSHIFT Advent X, 10-speed
          • Chain
            KMC X10, 10-speed
          • Crank
            Prowheel, 40T
          • Rear Cogs
            microSHIFT, 11-48T, 10-speed
          • Bottom Bracket
            Cartridge, square taper

          Brakes

          • Brakes
            Promax Render R mechanical disc, 160/160mm rotors
          • Brake Levers
            microSHIFT Advent X

          Wheels

          • Rims
            RD 2.0, 28h
          • Front Hub
            Formula alloy, 12x100mm
          • Rear Hub
            Formula alloy, 12x142mm
          • Spokes
            Stainless Steel, 14g
          • Tires
            WTB Riddler Comp, 700 x 37c
          • Tire Size
            37
          • Wheel Size
            700c

          Components

          • Handlebar
            Cannondale 3, butted 6061 alloy, 16 deg flare drop
          • Stem
            Cannondale 3, 6061 Alloy, 31.8, 7°
          • Grips
            Cannondale Bar Tape, 3.5mm
          • Saddle
            Cannondale Stage CX
          • Seatpost
            Cannondale 4, 6061 Alloy, 27.2 x 350mm

          Extra

          • Extra 1
            Removable fender bridge

          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

          Details

          Platform

          Details

              Model Name

              Details

                  Model Code

                  Details

                      Frameset

                      Frame

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                          Headset

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                              Rear Shock

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                                  E-System

                                  Drive Unit

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                                      Battery

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                                          Charger

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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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                                                                  Crank

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                                                                      Rear Cogs

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                                                                          Bottom Bracket

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                                                                              Pedals

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                                                                                  Brakes

                                                                                  Brakes

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                                                                                      Brake Levers

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                                                                                          Wheels

                                                                                          Front Hub

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                                                                                              Rear Hub

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                                                                                                  Spokes

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                                                                                                      Tires

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                                                                                                          Tire Size

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                                                                                                              Wheel Size

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                                                                                                                  Front Tire

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                                                                                                                      Rear Tire

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                                                                                                                          Tire Bead

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                                                                                                                              Tire Casing

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                                                                                                                                  Tire Protection

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                                                                                                                                      Tire Type

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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

                                                                                                                                                          Wheel Sensor

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                                                                                                                                                              Power Meter

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                                                                                                                                                                  Speed Sensor

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                                                                                                                                                                      Extra

                                                                                                                                                                      Extra 1

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                                                                                                                                                                          Visibility

                                                                                                                                                                          Lights

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                                                                                                                                                                              Paint

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                                                                                                                                                                                  Tire Sidewalls

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