Cannondale Topstone Carbon 4 Shimano GRX 400

The best gravel bike for everything from rough roads to trails. With the grip and comfort of the Kingpin suspension, there are no limits.

Its Terrain

Trails, secondary roads, rough pavement, paths

Designed For

Gravel riding, bikepacking, off-road routes

Key Features

• Carbon Synapse frame and fork /Cannondale App connectivity /SmartSense compatibility
• Shimano GRX 400 10-speed group
• WTB ST i23 rims, lightweight 700x45c WTB Riddler TCS tires

Kingpin Suspension

Kingpin is our answer for the most demanding gravel riders who seek maximum absorption without the weight or complexity of traditional shock and pivot suspension systems. Kingpin offers everything you need: more comfort for longer rides, more traction to push your limits, lightweight, and advanced technology. Kingpin fulfills your needs: maintenance-free and light.

Load It Up. Ride Out.

With plenty of accessory and bottle mount points on the frame and fork, the Topstone Carbon is ready to be loaded and go the distance.

Frameset

• Frame

  Topstone Carbon, Kingpin suspension system, SmartSense compatible, Proportional Response construction, 12x142mm thru-axle, 27.2 dropper post ready, BSA 68mm threaded BB, DirectLine internal cable routing, removable fender bridge, multiple gear/bottle mounts
• Fork

  Topstone Carbon, 1-1/8" to 1.5" steerer, 55mm OutFront offset, flat mount disc, internal routing, 12x100 thru-axle, triple bottle/gear mounts, fender mounts
• Headset

  Integrated, 1-1/8" - 1.5"

Drivetrain

• Rear Derailleur

  Shimano GRX 400, Shadow RD+
• Front Derailleur

  Shimano GRX 400, braze-on
• Shifters

  Shimano GRX 400, 10-speed
• Chain

  KMC X10, 10-speed
• Crank

  Shimano GRX 600, 46/30
• Rear Cogs

  SunRace, 11-36, 10-speed
• Bottom Bracket

  Shimano BSA 68

Wheels

• Rims

  WTB ST i23 TCS, 700c, 28h, tubeless ready
• Spokes

  Stainless Steel, 14g
• Tire Size

  45
• Wheel Size

  700c
• Hubs

  (F) Formula cartridge bearing, 12x100mm centerlock / (R) Formula cartridge bearing, 12x142mm centerlock
• Tires

  WTB Riddler Comp, 700x45c (Europe/UK - Vittoria Terreno Dry 700x40c)
• Front Tire

  WTB Riddler Comp, 700x45c (Europe/UK - Vittoria Terreno Dry 700x40c)
• Rear Tire

  WTB Riddler Comp, 700x45c (Europe/UK - Vittoria Terreno Dry 700x40c)

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

  Fizik Aliante Delta, S-alloy rails
• Seatpost

  Cannondale 3, 6061 Alloy, 27.2x350mm

Brakes

• Brakes

  Shimano GRX 400 hydraulic disc, 160/160mm RT54 rotors
• Brake Levers

  Shimano GRX 400 hydraulic disc