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Cannondale Topstone Carbon 3 GRX 2x Chalk / 51cm
Cannondale Topstone Carbon 3 GRX 2x Chalk / 51cm
Cannondale

Cannondale Topstone Carbon 3 GRX 2x / Chalk

£2,950.00 £3,495.00 16% off
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Returns - Any product can be returned to us within 28 days if the product is faulty, provided it has not been used or fitted, and is returned in its original packaging with a valid proof of purchase. If you wish to return any product you must inform us within 14 days of the day you receive your goods.

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Refunds - Will be processed using the same method of payment used for the original purchase. Credit & debit card refunds must be made to the card used for the original purchase, Cheque payments will be refunded in cash but due to banking restrictions can only be refunded at least 14 days after the original purchase date. Due to the high incidence of fraud we regret that we are unable to offer any refund without a valid receipt. If you wish to return your item by post, it is your responsibility to ensure that the item is returned to us in a safe and secure manner, we suggest that you use a recorded postal/courier service. Please ensure that the service you use covers the value of the goods in the parcel. Return shipping costs are non-refundable. If the item is being returned due to our error then any postage will be reimbursed upon assessment. It can take 5 days for your parcel to reach us dependent on the courier’s service that is used. Once we receive your parcel we will inspect and process your return within 2 working days. Refunds can take up to 5 days with your bank to appear in your account. You will receive an email update upon the completion for your return. If you have made a purchase using our finance option or through one of the cycle to work programs and would like to return your purchase please contact us on 01283 544669. (Purchases paid for using PayPal in GBP can be returned for a refund by post or in store. Your postage will be refunded through PayPal – there is a limit to the amount PayPal will refund. For full terms & conditions visit the PayPal Returns Page)

Cannondale Topstone Carbon 3 GRX 2x / Chalk

Season:2026

Brand:Cannondale

Code:CANC15175UChalk

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
  • Mixes 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 Resolute 42c 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
Technical Information

Technical Specifications

CategoryDetails
Model CodeC15345U
FRAMESETFrame: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
DRIVETRAINFront Derailleur:Shimano GRX 820
Rear Derailleur:Shimano GRX 820, Shadow RD+
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
BRAKESBrakes:Shimano GRX 610 hydraulic disc, 160/160mm RT70 rotors
Brake Levers:Shimano GRX 610 hydraulic disc
WHEELSHubs:(F) Shimano TC500, 12x100mm centerlock / (R) Shimano TC500, 12x142mm centerlock
Rims:WTB ST i25 TCS, 28h, tubeless ready
Spokes:Stainless Steel, 14g
Tires:WTB Resolute TCS Light, 700x42c, tubeless ready
COMPONENTSHandlebar:Cannondale 3, butted 6061 Alloy, 16° flare drop
Grips:Cannondale KnurlCork, 2.7mm
Stem:Cannondale C1 Conceal, Alloy, 31.8, -6°
Saddle:Selle Royal SRX Open
Seatpost:Cannondale 3, 6061 Alloy, 27.2x350mm
ExtrasLarge StashBag downtube storage bag, tubeless valve stems
Sizing Information
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