Technical specifications
Details
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Platform: Topstone Alloy
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Model Name: Topstone 4 C15902U
Frame kit
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Frame: Lightweight SmartForm C2 alloy, 12x142 thru axle, tapered head tube, BSA threaded flat mount disc bottom bracket, StraightShot internal cable routing, multiple shifter mounts and bottle cages
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Fork: Carbon Topstone, 1-1/8" to 1.5" head tube, 55mm OutFront offset, flat mount disc, internal fork cables and wires, 12x100 thru axle, fender and shifter mounts
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Headset: Integrated, 1-1/8" - 1-1/2"
Transmission
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Gear: microSHIFT Advent
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Shift levers: microSHIFT Advent X, 10 speeds
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Chain: KMC X10, 10 speed
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Crankset: Prowheel, Charm 40T
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Cassette: microSHIFT, 11-48, 10 speed
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Bottom bracket: Cartridge with square axis
Brakes
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Brakes: Promax Render R mechanical disc, 160/160 mm rotors
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Brake levers: microSHIFT Advent
Wheels
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Rims: GXD 1.0 alloy with 28 holes
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Spokes: 14g stainless steel
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Tires: WTB Riddler Comp, 700 x 37c (in Europe and UK, Vittoria Terreno Dry, 700 x 37c)
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Tire Size: 37mm tire width
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Wheel Size: 700c
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Hubs: Front and rear Formula alloy hubs, with 12x100 mm and 12x142 mm thru axles respectively
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Front tire: WTB Riddler Comp, 700 x 37c (in Europe and UK, Vittoria Terreno Dry, 700 x 37c)
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Rear tire: WTB Riddler Comp, 700 x 37c (in Europe and UK, Vittoria Terreno Dry, 700 x 37c)
Components
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Handlebar: Cannondale 3, 6061 alloy butted, 16 degree drop
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Stem: Cannondale 3, 6061 alloy, 31.8mm, 7 degrees
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Grip: Cannondale handlebar tape, 3.5 mm
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Saddle: Cannondale Stage CX
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Seatpost: Cannondale 4, 6061 alloy, 27.2 x 350 mm
Extra
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Extra 1: Prepared for removable mudguards
Subject to component availability, specifications are subject to change without notice.