OutFront Steering Geometry
Confident stability meets nimble agility. An extra long fork offset paired with a slack head angle keeps the steering light and lively, yet delivers unreal confidence at speed and in the rough stuff.
Explore further. Ride freer.
An amazingly capable, versatile gravel road bike. Built for chasing horizons, exploring routes less travelled or accelerating your commute.
Model Description
Purpose with personality. The Topstone EQ takes all-road capability to the next level with Shimano GRX 400 drivetrain dependability and a rugged SmartForm C2 Alloy frame. Equipped with fenders, a rear rack, and dynamo lights, it’s the ultimate companion for urban commutes, winding gravel paths, or wherever practicality and adventure collide.
What it's for
Performance commuting, exploring, bikepacking, gravel-riding
Highlights
- Lightweight SmartForm C2 Alloy frame w/ full carbon fork
- Reliably precise shifting from the Shimano GRX 400, wide-range, 2x10-speed gravel drivetrain
- Powerful, controllable braking from Shimano’s GRX400 hydraulic disc brakes
- Equipped for weekend missions and weekday mobility with dynamo-powered lights, fenders, and rack
- Selle Royal SRX Open saddle balances supportive padding and a pressure-relieving central channel for performance comfort
Amazingly capable
Straightforward, reliable and a whole hell of a lotta fun, the Topstone Alloy is a gravel bike crafted for those with a taste for adventure – and value. Roll light and free, or load it up for a long haul, Topstone’s comfortable ride, confident handling and up-for-anything capability make it the perfect partner on any road, anywhere.
Wide Ranging Capabilities
Clearance for big 45mm tires lets you push further into the rough stuff, and enjoy more grip and comfort on every ride.
Easy to Live With. Easy to Love.
Everything on the Topstone is designed for simplicity, ease of use and compatibility. Whether you're setting out on a big ride or taking the long way to work - less down time, more ride time.
Load Up. Roll Out.
With plentiful gear and waterbottle mounts on the frame and fork, Topstone is ready to load up and go long.
Features
Full Carbon Fork
Light, comfortable and precise. The full carbon fork features three mount bosses on each leg for maximizing cargo capacity, plus an easy mounting point for fenders - letting you ride any adventure in any condition.
Dropper Ready
Built to accept an internally-routed 27.2 dropper seatpost, which shouldn’t really be a surprise on a bike that's this off-road capable.
Specs
Details
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Platform
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Model NameTopstone EQ
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Model CodeC15225U
Frameset
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FrameTopstone, lightweight 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, triple bottle/gear mounts, fender 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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ChainShimano HG54, 10-speed
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CrankShimano GRX 400 46/30
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Rear CogsShimano HG500, 11-32, 10-speed
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Bottom BracketShimano BSA 68
Brakes
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BrakesShimano GRX 400 hydraulic disc, 160/160mm RT30 centerlock rotors
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Brake LeversShimano GRX 400 hydraulic disc
Wheels
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Front HubSP PL-7 Dynamo, 12x100mm centerlock
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Rear HubShimano TC500, 12x142mm centerlock
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RimsGXD 1.0, 28h, 23mm internal width, 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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TiresWTB Vulpine TCS Light, 700x36c, tubeless ready
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Front TireWTB Vulpine TCS Light, 700x36c, tubeless ready
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Rear TireWTB Vulpine TCS Light, 700x36c, tubeless ready
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 KnurlCork, 2.7mm
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SaddleSelle Royal SRX Open
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SeatpostCannondale 3, 6061 Alloy, 27.2x350mm
Extra
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Extra 1Herrmans MR9 dynamo front light, H-Trace dynamo rear light, Tubus Rear Carrier (20kg), Curana Apollo Fenders, tubeless valves
Please note that, based on component availability and other factors, specifications are subject to change without notice.
Geometry
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