Topstone Carbon 3 GRX - 1x Deep Teal
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Cannondale Topstone Carbon 3 GRX – 1x Gravel Bike
The Cannondale Topstone Carbon 3 GRX – 1x is built for riders who want the freedom to go further, explore deeper, and ride longer. Whether you're chasing gravel adventures, bikepacking escapes, or all-day mixed-surface rides, the Topstone delivers comfort, capability, and performance in one incredibly versatile package.
At the heart of the bike is Cannondale’s lightweight Topstone Carbon frame paired with the innovative KingPin rear suspension system. This clever design provides real rear-wheel compliance without adding weight or complexity, smoothing rough terrain and improving traction while maintaining efficient power transfer.
The drivetrain blends Shimano GRX820 and GRX610 gravel components with a wide-range 12-speed Shimano SLX cassette. Combined with the simplicity of a single chainring, this setup delivers reliable shifting and a huge gear range for steep climbs, fast gravel descents, and long adventure rides.
Adventure-ready details like the StashPort downtube storage system, multiple mounting points, and wide WTB Riddler 45c tubeless-ready tires make the Topstone Carbon 3 ready for everything from quick gravel loops to multi-day bikepacking missions.
Available now at Mackay Cycles — your local destination for performance gravel bikes in Mackay and across Queensland.
Highlights
- Lightweight Topstone Carbon frame with KingPin rear suspension
- Proportional Response size-specific frame construction
- Shimano GRX 12-speed drivetrain with wide 10-51T cassette
- StashPort downtube storage system with StashBag included
- WTB ST i25 tubeless ready wheels with 45c gravel tires
- Adventure-ready mounting points for bikepacking gear
- Flared Cannondale alloy handlebars for improved gravel control
Specifications
Frame- Topstone Carbon frame
- KingPin suspension system
- Proportional Response construction
- StashPort downtube storage
- Internal cable routing
- 12x142mm thru-axle
- UDH derailleur hanger
- BSA 68mm threaded bottom bracket
- Flat mount disc brakes
- 27.2mm dropper compatible
- Multiple bottle and gear mounts
- Topstone Carbon fork
- 1-1/8" to 1.5" tapered steerer
- 55mm OutFront offset
- Flat mount disc
- 12x100mm thru-axle
- Triple bottle/gear mounts
- Fender mounts
- Shifters: Shimano GRX 610, 12-speed
- Rear Derailleur: Shimano GRX 822 Shadow SGS
- Crankset: Shimano GRX 610, 40T
- Cassette: Shimano SLX M7100, 10-51T
- Chain: Shimano M7100, 12-speed
- Bottom Bracket: Shimano BSA 68
- Shimano GRX 610 hydraulic disc
- Shimano RT70 rotors – 160mm front / 160mm rear
- Rims: WTB ST i25 TCS, tubeless ready
- Hubs: Shimano TC500 centerlock
- Spokes: Stainless steel 14g
- Tires: WTB Riddler TCS Light 700x45c
- Wheel Size: 700c
- Handlebar: Cannondale 3 alloy, 16° flare
- Stem: Cannondale C1 Conceal alloy
- Bar Tape: Cannondale KnurlCork 2.7mm
- Saddle: Selle Royal SRX Open
- Seatpost: Cannondale 3 alloy 27.2mm
- StashBag downtube storage bag included
- Tubeless valve stems included
Specifications may change without notice due to component availability.
| 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 |
| Shift Levers | Shimano GRX 610, 12-speed |
| Rear Derailleur | Shimano GRX 822, Shadow SGS |
| Cassette | Shimano SLX M7100, 10-51, 12-speed |
| Chain | Shimano M7100, 12-speed |
| Crankset | Shimano GRX 610, 40T: 165mm (47cm), 170mm (51cm), 172.5 (54-56cm), 175mm (58-61cm) |
| Bottom Bracket | Shimano BSA 68 |
| Brakes | Shimano GRX 610 hydraulic disc, 160/160mm RT70 rotors |
| Brake Levers | Shimano GRX 610 hydraulic disc |
| Hubs | (F) Shimano TC500, 12x100mm centerlock / (R) Shimano TC500, 12x142mm centerlock |
| Rims | WTB ST i25 TCS, 28h, tubeless ready |
| Spokes | Stainless Steel, 14g |
| Tyres | WTB Riddler TCS Light, 700x45c, tubeless ready |
| Handlebars | 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 |
| Seat Post | Cannondale 3, 6061 Alloy, 27.2x350mm |
- Bike freight (QLD, NSW, VIC, ACT, TAS & SA): $200
- Click & Collect: Free
- WA / NT: by quote
