Cannondale
Topstone Carbon 3 GRX 2x
Our take on the ultimate all-round gravel bike. Go anywhere, bring everything and then keep on going.
Cannondale
Overview
A jack-of-all-roads with zero compromises. The Topstone 3 GRX 2X is built with Shimano GRX610/820 blended group gearing and KingPin suspension to handle rough roads and smooth out the ride. WTB wheels and tires grip through dirt, gravel, and whatever’s under your treads. It’s the bike that turns any ride into an adventure story worth telling.
What it's for
Gravel riding & racing, bikepacking, going hard and long on dirt or pavement
Highlights
Build highlights
Specification
Topstone Carbon 3 GRX 2x specification
Specification as supplied by Cannondale. Components may change subject to availability.
Frameset
- Model Code
- C15175U
- Frame
- Topstone Carbon, Kingpin suspension system, Proportional Response construction, downtube Stashport, internal cable routing, 12x142mm thru-axle, 27.2 dropper post ready, UDH, BSA 68mm threaded BB, flat mount disc, 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
- Acros IS52/40 ICR
Drivetrain
- Rear Derailleur
- Shimano GRX 820, Shadow RD+
- Front Derailleur
- Shimano GRX 820
- Shifters
- Shimano GRX 610, 12-speed
- Chain
- Shimano M7100, 12-speed
- Crank
- Shimano GRX 610, 46/30
- Rear Cogs
- Shimano HG710, 11-36, 12-speed
- Bottom Bracket
- Shimano BSA 68
Brakes
- Brakes
- Shimano GRX 610 hydraulic disc, 160/160mm RT70 rotors
- Brake Levers
- Shimano GRX 610 hydraulic disc
Wheels & tyres
- Rims
- WTB ST i25 TCS, 28h, tubeless ready
- Spokes
- Stainless Steel, 14g
- Tire Size
- 37
- Wheel Size
- 700c
- Hubs
- (F) Shimano TC500, 12x100mm centerlock / (R) Shimano TC500, 12x142mm centerlock
- Tires
- WTB Resolute TCS Light, 700x42c, tubeless ready
Cockpit & contact points
- Handlebar
- Cannondale 3, butted 6061 Alloy, 16 deg flare, 120mm drop: 400mm (47cm), 420mm (51-54), 440mm (56-61cm)
- Stem
- Cannondale C1 Conceal, Alloy, 31.8, -6°: 70mm (47-51m), 80mm (54cm), 90mm (56-58cm), 100mm (61cm)
- Grips
- Cannondale KnurlCork, 2.7mm
- Saddle
- Selle Royal SRX Open
- Seatpost
- Cannondale 3, 6061 Alloy, 27.2x350mm
Extras
- Extra 1
- Large StashBag downtube storage bag, tubeless valve stems
Ordering
Available from The Cycle Collective
Available to order through The Cycle Collective in Dorking. For availability, sizing advice or a bike fit, call 0203 148 6764 or email hello@thecyclecollective.cc.
Product Information
Why buy your bike from The Cycle Collective?
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Speak to an expert
Expert advice
Call, WhatsApp or drop into our Dorking shop. We'll talk through your riding, sizing and set-up so you get the right bike first time. Find out more
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Cycle to Work schemes
We accept vouchers from all the major schemes. Pay from your gross salary and typically save 28–47% on your new bike and kit, depending on your tax rate. Find out more
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Book a bike fit
Expert bike fitting
A one-to-one fitting session of three hours or more in our private studio, with a free follow-up as you settle in. Find out more
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Our workshop
Workshop aftercare
Cytech-qualified mechanics, electronic groupset specialists and same-day servicing when you're in by 10.30am, subject to parts. Find out more
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Delivery and collection
Delivery options
Free UK delivery on orders of £50 and over, or free click and collect from our shop in Dorking. Find out more
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