Explore further. Ride freer.

An amazingly 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

• Lightweight SmartForm C2 Alloy frame w/ full carbon fork
• Shimano Sora 9-speed shifting
• Powerful disc brakes

Specs

Details

• PlatformTopstone Alloy
• Model NameTopstone 3
• Model CodeC15802U

Frameset

• FrameLightweight SmartForm C2 Alloy, 12×142 thru-axle, tapered headtube, BSA threaded BBm flat mount disc, StraightShot internal cable routing, multiple gear/bottle mounts
• ForkTopstone Carbon, 1-1/8″ to 1.5″ steerer, 55mm OutFront offset, flat mount disc, internal routing, 12×100 thru-axle, fender/gear mounts
• HeadsetIntegrated, 1-1/8″ – 1-1/2″

Drivetrain

• Rear DerailleurShimano Sora GS
• Front DerailleurShimano Sora GS
• ShiftersShimano Sora, 9-speed
• ChainKMC Z9, 9-speed
• CrankFSA Tempo Adventure, 46/30
• Rear CogsSunrace, 11-34, 9-speed
• Bottom BracketCartridge, square taper

Brakes

• BrakesPromax Decoder R mechanical disc, 160/160mm rotors
• Brake LeversShimano Sora

Wheels

• RimsGXD 1.0, 28h
• SpokesStainless Steel, 14g
• TiresWTB Riddler Comp, 700 x 37c (Europe/UK – Vittoria Terreno Dry, 700 x 37c)
• Tire Size37
• Wheel Size700c
• Hubs(F) Formula alloy, 12x100mm / (R) Formula alloy, 12x142mm
• Front TireWTB Riddler Comp, 700 x 37c (Europe/UK – Vittoria Terreno Dry, 700 x 37c)
• Rear TireWTB Riddler Comp, 700 x 37c (Europe/UK – Vittoria Terreno Dry, 700 x 37c)

Components

• HandlebarCannondale 3, butted 6061 Alloy, 16 deg flare drop
• StemCannondale 3, 6061 Alloy, 31.8, 7
• GripsCannondale Bar Tape, 3.5mm
• SaddleFizik Aliante Delta, S-alloy rails
• SeatpostCannondale 4, 6061 Alloy, 27.2 x 350mm

Extra

• Extra 1Removable fender bridge