Product Details
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 GRX 400 10-speed gravel group
- WTB ST i23 TCS rims
Specs
DETAILS
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PlatformTopstone Alloy
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Model NameTopstone 2
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Model CodeC15702U
FRAMESET
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FrameLightweight SmartForm C2 Alloy, 12x142 thru-axle, tapered headtube, BSA threaded BBm flat mount disc, StraightShot internal cable routing, multiple gear/bottle mounts
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ForkTopstone Carbon, 1-1/8" to 1.5" steerer, 55mm OutFront offset, flat mount disc, internal routing, 12x100 thru-axle, fender/gear mounts
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HeadsetIntegrated, 1-1/8" - 1.5"
DRIVETRAIN
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Rear DerailleurShimano GRX 400, Shadow RD+
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Front DerailleurShimano GRX 400
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ShiftersShimano GRX 400, 10-speed
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ChainKMC X10, 10-speed
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CrankFSA Omega AGX+ Alloy, 46/30
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Rear CogsShimano HG500, 11-34, 10-speed
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Bottom BracketFSA Cartridge
BRAKES
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BrakesShimano GRX 400 hydraulic disc, 160/160mm RT54 rotors
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Brake LeversShimano GRX 400 hydraulic disc
WHEELS
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RimsWTB ST i23 TCS, 28h, tubeless ready
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SpokesStainless Steel, 14g
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Tire Size37
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Wheel Size700c
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Hubs(F) Formula cartridge bearing, 12x100mm centerlock / (R) Formula cartridge bearing, 12x142mm centerlock
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TiresWTB Riddler, 700x37c (Europe/UK - Vittoria Terreno Dry, 700x37c)
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Front TireWTB Riddler, 700x37c (Europe/UK - Vittoria Terreno Dry, 700x37c)
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Rear TireWTB Riddler, 700x37c (Europe/UK - Vittoria Terreno Dry, 700x37c)
COMPONENTS
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HandlebarCannondale 3, butted 6061 Alloy, 16 deg flare drop
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StemCannondale 3, 6061 Alloy, 31.8, 7°
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GripsCannondale Bar Tape, 3.5mm
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SaddleFizik Aliante Delta, S-alloy rails
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SeatpostCannondale 3, 6061 Alloy, 27.2x350mm
What Sets Alchemy Apart
The best pre-owned bikes
When you buy a pre-owned bike from Alchemy Cycle Trader, you’re getting more than just a great deal. Every bike is roadworthy certified, comes with a 3-month warranty, and includes your first service free - so you can ride away with complete confidence.
Buy with confidence
In-house Active Thermography Carbon Fibre Testing for extra peace of mind on pre-owned bikes.
Learn more about our carbon testing.
Expert Servicing & Ongoing Support
Our professional workshop team is here to keep your bike running at its best long after you’ve taken it home. From routine servicing to performance tuning, our qualified mechanics ensure your ride stays smooth, safe, and ready for every adventure. Whether it’s your first free service or future maintenance, you can count on Alchemy Cycle Trader for trusted support and expert care. Learn more about our workshop services.