Cannondale Topstone Carbon 3 GRX 2x 2025 - Gravel Bike











- 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
Occasionally, without notice, manufacturers change product design and/or specifications.
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, 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 |
Stem | Cannondale C1 Conceal, Alloy, 31.8, -6° |
Bars | Cannondale 3, butted 6061 Alloy, 16° flare drop |
Front Brake | Shimano GRX 610 hydraulic disc, 160/160mm RT70 rotors |
Rear Brake | Shimano GRX 610 hydraulic disc, 160/160mm RT70 rotors |
Brake Lever | Shimano GRX 610 hydraulic disc |
Front Mech | Shimano GRX 820 |
Rear Mech | Shimano GRX 820, Shadow RD+ |
Shifters | Shimano GRX 610, 12-speed |
Speed | 24 |
Rims | WTB ST i25 TCS, 28h, tubeless ready |
Front Hub | Shimano TC500, 12x100mm centerlock |
Rear Hub | Shimano TC500, 12x142mm centerlock |
Spokes | Stainless Steel, 14g |
Front Tyre | WTB Resolute TCS Light, 700x42c, tubeless ready |
Rear Tyre | WTB Resolute TCS Light, 700x42c, tubeless ready |
Seat Post | Cannondale 3, 6061 Alloy, 27.2x350mm |
Saddle | Selle Royal SRX Open |
Chainset | Shimano GRX 610, 46/30 |
Chain | Shimano M7100, 12-speed |
Cassette | Shimano HG710, 11-36, 12-speed |
Pedals | Resin Platform |
Cannondale Topstone Carbon 2025 Size Chart
Size | Height (cm) | Height (Inches) |
47 | 149 - 167 | 4'11" - 5'6" |
51 | 165 - 175 | 5'5" - 5'9" |
54 | 172 - 180 | 5'8" - 5'11" |
56 | 177 - 185 | 5'10" - 6'1" |
58 | 182 - 193 | 6'0" - 6'4" |
61 | 190 - 200 | 6'3" - 6'7" |
Cannondale Topstone Carbon 2025 Geometry Chart
Size | 47 | 51 | 54 | 56 | 58 | 61 |
---|---|---|---|---|---|---|
Stack | 554 | 561 | 579 | 597 | 615 | 646 |
Reach | 364 | 373 | 378 | 383 | 389 | 397 |
Head Tube Length | 97 | 104 | 123 | 142 | 164 | 196 |
Head Tube Angle | 69.9° | 70.7° | 70.7° | 70.7° | 70.7° | 70.7° |
Bottom Bracket Height | 280 | 280 | 283 | 283 | 285 | 285 |
Bottom Bracket Drop | 79 | 79 | 76 | 76 | 74 | 74 |
Trail | 73 | 67 | 67 | 67 | 67 | 67 |
Fork Rake/Offset | 55 | 55 | 55 | 55 | 55 | 55 |
Front Centre | 601 | 605 | 617 | 628 | 641 | 659 |
Chainstay Length | 420 | 420 | 420 | 420 | 420 | 420 |
Wheelbase | 1009 | 1012 | 1026 | 1036 | 1050 | 1069 |
Top Tube Length (horizontal) | 532 | 543 | 554 | 564 | 576 | 593 |
Standover Height | 716 | 744 | 772 | 800 | 834 | 864 |
Seat Tube Length | 410 | 446 | 482 | 518 | 554 | 590 |
Seat Tube Angle | 73.1° | 73.1° | 73.1° | 73.1° | 73.1° | 73.1° |
All measurements are in mm unless otherwise stated.
The above table shows the standard geometry for the bicycle as shipped, other geometry configurations may be available with certain bikes. Please contact us via Live Chat to find out more.
What size frame do I need if I am between sizes? - read here
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Cannondale Topstone Carbon 3 GRX 2x 2025 - Gravel Bike
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