Why buy your bike from Sigma Sports?
Don't hesitate to reach out to us. It's our goal to answer all of your questions and offer the best advice from our experts. We’ll be happy to answer any questions you may have. Contact us now or visit us in-store.
Save up to 47% with any one of our 11 Cycle to Work partners, and get the health benefits of a new bike in exchange for tax free salary sacrifice. To find out more about our various partners and how to apply click here.
Choose between Free Bike Delivery - to your home or place of work - or our new Premier Bike Delivery Service £99.99 and have your bike delivered "ready to ride" and set up to your measurements with seatpost and pedals adjusted on arrival by a qualified bike mechanic. Either way, our Customer Care team will be in touch to arrange a delivery date to suit you.
We've partnered with Laka to offer you 30 days free bike Insurance on your new bike purchase over £400. Click here for more info and find out how to claim.
Cannondale Topstone Apex 1 Gravel Bike 2023
Embark on a journey of exploration and liberation with the Topstone Alloy, a remarkably capable and versatile gravel road bike designed to elevate your riding experience. Whether you're chasing horizons, venturing down less-traveled routes, or enhancing your daily commute, this gravel bike excels in diverse terrains and conditions. Thriving on gravel roads and embracing the elements, the Topstone Alloy is meticulously built for superior traction, responsive handling, and unmatched comfort.
Crafted with a Lightweight SmartForm C2 Alloy frame complemented by a full carbon fork, the Topstone Alloy features the SRAM Apex XPLR, a wide-ranging 12-speed gravel group, and reliable SRAM Apex hydraulic disc brakes. Its straightforward and reliable design ensures a whole lot of fun for riders seeking adventure and value. Whether cruising effortlessly on dirt roads or tackling challenging trails, the Topstone Alloy's comfortable ride, confident handling, and versatile capabilities make it the ideal companion for any road, anywhere. With wide-ranging capabilities, including clearance for substantial 45mm tires, this gravel bike allows you to confidently push further into rough terrain, providing increased grip and comfort on every exhilarating ride.
Technical Specification
| Platform | Topstone Alloy |
| Model Name | Topstone Apex 1 |
| Frame | Lightweight SmartForm C2 Alloy, 12x142 thru-axle, tapered headtube, BSA threaded BBm flat mount disc, StraightShot internal cable routing, 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, fender/gear mounts |
| Headset | Integrated, 1-1/8" - 1.5" |
| Rear Derailleur | SRAM Apex XPLR |
| Shifters | SRAM Apex, hydraulic disc, 12-speed |
| Chain | SRAM Apex, 12-speed |
| Crank | SRAM Apex 1 DUB Wide, 40T |
| Rear Cogs | SRAM PG-1231 XPLR, 11-44, 12-speed |
| Bottom Bracket | SRAM DUB BSA Wide |
| Brakes | SRAM Apex hydraulic disc, 160/160mm centerlock rotors |
| Brake Levers | SRAM Apex hydraulic disc |
| Rims | GXD 1.0, 28h, 23mm inner width |
| Spokes | Stainless Steel, 14g |
| Tire Size | 38 |
| Wheel Size | 700 |
| Hubs | (F) Formula cartridge bearing, 12x100mm centerlock / (R) Formula cartridge bearing, 12x142mm centerlock |
| Tires | Vittoria Terreno Dry, 700x38c, tubeless ready |
| Handlebar | Cannondale 3, butted 6061 Alloy, 16 deg flare drop |
| Stem | Cannondale 3, 6061 Alloy, 31.8, 7° |
| Grips | Fizik Solocush Soft, 3mm |
| Saddle | Fizik Aliante Delta, S-alloy rails |
| Seatpost | Cannondale 3, 6061 Alloy, 27.2x350mm |
Built, Checked, Tuned and Tested
All our bikes are fully built, checked, tuned and tested by our Cytech qualified mechanics and then securely packaged, ready for delivery. All you have to do is add the pedals (if included), attach the handlebars to the stem and tighten them following the included detailed instructions or by watching our video and using the provided FREE tools. Visit our Bike Assembly page to see how you assemble your new bike once you receive it.
All bikes collected from our shop, are built, tested and ready to ride. For hassle-free home delivery and bike set-up from a qualified mechanic use our Premier Delivery Service.
Please note, occasionally, manufacturers may change the specification without notice. Bicycles do not come with pedals unless otherwise specified. Bikes ordered for delivery will not arrive with the pedals installed, please refer to the owners manual and pedal installation guides provided for guidance. We do not install accessories to bikes, including mudguards. Bikes ordered for delivery that have tubeless compatible tyres and rims will arrive with inner tubes installed or with tubeless valves installed, this will be brand dependent. Sealant is available to be purchased separately.
If you require any assistance please contact our Customer Care team.
Cannondale Topstone Apex 1 Gravel Bike 2024 Sizing
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