Monday | 9.00am - 5.30pm |
Tuesday | 9.00am - 5.30pm |
Wednesday | 9.00am - 5.30pm |
Thursday | 9.00am - 5.30pm |
Friday | 9.00am - 5.30pm |
Saturday | 9.00am - 5.30pm |
Sunday | 10.00am - 4.00pm |
Bank Holidays | 10.00am - 5.00pm |
Cannondale Topstone Carbon 3 GRX 1x Gravel Bike in Orange

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Select Click & Collect at checkout and pick up your order at a convenient location
Monday | 9am - 5.30pm |
Tuesday | 9am - 5.30pm |
Wednesday | 9am - 5.30pm |
Thursday | 9am - 5.30pm |
Friday | 9am - 5.30pm |
Saturday | 9am - 5.30pm |
Sunday | 10am - 4.00pm |
Bank Holidays | 10am - 4.00pm |
Monday | 8am - 6.00pm |
Tuesday | 8am - 6.00pm |
Wednesday | 8am - 6.00pm |
Thursday | 8am - 6.00pm |
Friday | 8am - 6.00pm |
Saturday | 9am - 5.30pm |
Sunday | 10am - 4.00pm |
Bank Holidays | 10am - 5.00pm |
Go anywhere, bring everything
Pairing Cannondale's light KingPin rear suspension with a gravel-specific carbon fork, this latest generation of the Topstone gives a smoother ride with more confidence and control than ever.
Where it thrives
Gravel racing, exploring rough tracks and adventuring over new terrain.
What it's built for
Making every ride feel smoother over mixed surfaces and carrying supplies for long days.
- KingPin suspension, with a thru-axle pivot in the seat tube, allows 30mm of vertical flex
- Topstone Carbon fork, with 3 x “braze-on” mounts on each leg and long offset ensuring responsive steering
- Each frame is tuned for uniform performance and feel, regardless of frame size
- With single chainring and SLX 12-spd cassette, blends Shimano's mechanical GRX820 and GRX610 gravel groupset components, for value and shifting performance
- Durable, trusty wheelset with WTB ST i25 rims, Shimano hubs, WTB Riddler 45c tyres
- Built to accept an internally routed 27.2mm dropper seatpost, for improved control on descents
- StashPort downtube storage system includes StashBag to keep your essentials safe
- Cannondale 3 6061 Alloy seatpost and flared bar, for gravel-friendly hand positions
All UK Mainland Bike Deliveries Over £999 - Free Bike orders are sent via TNT/FedEx with estimated delivery within 1 working day after quoted dispatch time (For Scottish Highlands, Northern Ireland, Isle of Man and the Channel Islands deliveries please allow an additional 1-4 working days).Bike orders under £999 will incur a £25 delivery fee.
Free Delivery On Orders Over £50.00 - When you spend more than £50.00 at 99 Bikes deliveries to a UK mainland address will be free (excludes bikes & large items).Certain regions and territories of the UK will incur additional charges, details of which can be found on our delivery page.
Click & Collect Orders -Please be aware Click & Collect orders may take some time to fulfil. We advise not to travel to your chosen store until you have been notified that your order is ready for collection.
At 99 Bikes our priority is to ensure that you are highly satisfied with your purchase. In the unlikely event that you aren't, we offer a 30 day online return policy* in which you can receive a full refund. Any item including bikes (with the exception of food) can be returned to us for any reason provided it is received by us in an unused and resalable condition in or with its original packaging which must be undamaged.
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brakes
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Shimano GRX 610 hydraulic disc
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brake levers
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Shimano GRX 610 hydraulic disc
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cassette
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Shimano SLX M7100, 10-51, 12-speed
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chain
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Shimano M7100, 12-speed
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crankset
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Shimano GRX 610, 40T
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fork
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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
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frame
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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
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headset
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Acros IS52/40 ICR
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hubs
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(F) Shimano TC500, 12x100mm centerlock / (R) Shimano TC500, 12x142mm centerlock
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material
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Carbon
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rear derailleur
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Shimano GRX 822, Shadow SGS
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rims
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WTB ST i25 TCS, 28h, tubeless ready
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rotor
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160/160mm RT70 rotors
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seatpost
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Cannondale 3, 6061 Alloy, 27.2x350mm
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shifters
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Shimano GRX 610, 12-speed
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spokes
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Stainless Steel, 14g
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tyres
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WTB Riddler TCS Light, 700x45c, tubeless ready
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Height | Size |
152cm - 162cm | 44 |
157cm - 167cm | 48 |
165cm - 175cm | 51 |
170cm - 180cm | 54 |
175cm - 185cm | 56 |
182cm - 193cm | 58 |
190cm - 203cm | 56 |