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 Comp Gravel Bike
Grade has consistently pushed the boundaries of adventure riding since its inception. As the first purpose-built carbon gravel bike, it made a significant impact upon launch, garnering numerous industry accolades. With the introduction of our floating Triple Triangle™ seatstays, the bike reached new heights in 2019, earning distinctions such as Gravel Bike of the Year from Bike Radar and Bike Rumor. Not content to rest on past achievements, the Grade has been enhanced even further. The latest iteration boasts refined geometry, expanded tire clearance, internal cable routing, and ample frame protection, ensuring it's more capable than ever for off-road adventures.
Technical Specification
| Frame | Grade Alloy Triple Triangle frame, 12x142 Thru Axle, Threaded BB |
| Fork | Grade Carbon Fork, 1.5 Tapered Carbon Steerer, 12x100 Thru Axle |
| Rims | WTB ST i23 TCS 2.0, 28h, Tubeless Ready |
| Tires | WTB Riddler TCS Light, 700 x 37c, Tubeless Ready |
| Pedals | GT Slim Line Flat Pedal |
| Crank | FSA Vero Pro, 48/32T |
| Bottom Bracket | BSA, Square Taper |
| Chain | KMC X10, 10-speed |
| Rear Cogs | Shimano HG500, 11-34T |
| Front Derailleur | Shimano GRX RX-400 |
| Rear Derailleur | Shimano GRX RX400 |
| Shifters | Shimano GRX 400 2x10 |
| Handlebar | GT DropTune RS, Alloy, 16° Flare |
| Grips | Velo Cork, 3mm |
| Stem | GT 3D Forged SL Alloy, 31.8 |
| Headset | FSA No.42 ACB |
| Brakes | Shimano GRX 400 Hydro, 160/160mm RT10 Rotors |
| Saddle | GT Pavement, Steel Rails |
| Seatpost | GT Alloy, 27.2 x 350mm (44-58), 400mm (61) |
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 Comp Gravel Bike Sizing
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