Platform: Topstone Alloy
Model Name: Topstone 1
Model Code: C15602U
Frame: Lightweight SmartForm C2 Alloy, 12x142 thru-axle, tapered headtube, BSA threaded BBm flat mount disc, StraightShot internal cable routing, 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, fender/gear mounts
Headset: Integrated, 1-1/8" - 1-1/2"
Rear Derailleur: Shimano GRX 810, Shadow RD+
Front Derailleur: Shimano GRX 800, braze-on
Shifters: Shimano GRX 600, 11-speed
Chain: KMC X11, 11-speed
Crank: Shimano GRX 600, 46/30 (Europe/UK - FSA Gossamer Pro Modular AGX+ 46/30)
Rear Cogs: Shimano 105, 11-34, 11-speed
Bottom Bracket: Shimano BB-RS500 (Europe/UK - FSA BB386 MegaEvo)
Brakes: Shimano GRX 400 hydraulic disc, 160/160mm RT54 rotors
Brake Levers: Shimano GRX 600 hydraulic disc
Rims: WTB ST i23 TCS, 28h, tubeless ready
Spokes: Stainless Steel, 14g
Tires: WTB Riddler TCS Light, 700 x 37c, tubeless ready (Europe/UK - Vittoria Terreno Dry, 700 x 35c, tubeless ready)
Tire Size: 37
Wheel Size: 700c
Hubs: (F) Formula cartridge bearing, 12x100mm centerlock / (R) Formula cartridge bearing, 12x142mm centerlock
Front Tire: WTB Riddler TCS Light, 700 x 37c, tubeless ready (Europe/UK - Vittoria Terreno Dry, 700 x 35c, tubeless ready)
Rear Tire: WTB Riddler TCS Light, 700 x 37c, tubeless ready (Europe/UK - Vittoria Terreno Dry, 700 x 35c, tubeless ready)
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, 27.2 x 350mm
Extra 1: Removable fender bridge
