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.
GT Grade Carbon X Gravel Bike
Unlock boundless adventure possibilities with the GT Grade Carbon X, a carbon gravel bike engineered for limitless exploration. Equipped with a Rockshox Rudy XPLR 40mm travel fork and a 50mm Trans-X dropper post, experience the thrill of going faster, farther, and having more fun on any terrain. Delve into the world of "Gravel Travel" with the Grade frame's innovative Triple Triangle design featuring floating stays, offering up to 30mm of travel without the need for rubber bumpers or mechanical features, thanks to the Dual Fiber Dynamics technology. Integrated frame protection ensures durability, shielding against rock strikes on the downtube and chain slap on the chainstay, making the Grade equally adept on rough single tracks and smooth tarmac. Plus, for those seeking even more ruggedness, the Grade is suspension fork compatible, allowing for added versatility and excitement. Discover the key features of the GT Grade Carbon X, including its Grade Carbon Frame, Rockshox Rudy XPLR Fork, SRAM Apex1 Drivetrain, TranzX Dropper Seatpost, and SRAM Apex 1 Hydraulic Disc Brakes. Unlock your gravel riding potential with the GT Grade Carbon X.
Technical Specification
| Frame | Grade Carbon Frame, Triple Triangle Design feat. Floating Seatstays, 12x142mm Thru Axle |
| Fork | Rockshox Rudy XPLR, 40mm, 51mm offset, Solo Air |
| Rear Shock | Null |
| Rims | WTB ST Light i23 TCS 2.0, 28h, Tubeless Ready |
| Spokes | Null |
| Tires | WTB Resolute TCS Light, 700x42c, SG2 Dual DNA Compound, TCS Aramid Bead |
| Pedals | Null |
| Crank | SRAM Apex 1 Wide, DUB, 40T |
| Bottom Bracket | SRAM DUB BSA, 68mm Wide |
| Chain | SRAM Apex, 11-speed |
| Rear Cogs | SRAM PG-1130, 11-42T |
| Front Derailleur | Null |
| Rear Derailleur | SRAM Apex1 |
| Shifters | SRAM Apex1, Left Side Dropper Actuator |
| Handlebar | GT DropTune RS, Alloy, 16° Flare |
| Grips | GT Gravel Grip Premium Tape |
| Stem | GT 3D Forged SL Alloy, 31.8 |
| Headset | FSA No.42 ACB |
| E-Bike Charger | Null |
| Brakes | SRAM Apex 1, 160/160mm |
| Saddle | WTB Silverado SL Fusion |
| Seatpost | TranzX Dropper Post, 27.2mm (S/M-50mm, L/XL-70mm) |
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.
GT Grade Carbon X Gravel Bike Sizing
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