Challenge Gravel Grinder Pro Handmade Tubeless Gravel Tyre Tan 260tpi
Consumer Product Safety Bulletin - March 13, 2019
Make your mark on the gravel scene with the Gravel Grinder. This tyre combines a fast rolling diamond centre with aggressive shoulder knobs that only hook-up when the terrain gets soft, muddy, or a bit sketchy.
Colour: Tan.
TPI: 260.
Recommended Pressure:
33mm 35-60psi.
Puncture Protection: PPSGANZO + PPS2.
Rubber Compound: SMARTPLUS.
Construction: Handmade.
Series: PRO.
Size: 700c.
Width: 33mm.
Casing: SuperPoly - CORAZZAARMOR.
Bead: Tubeless Folding.
PPS Ganzo - A higher level of puncture protection utilising a multi-component fabric strip with a tighter weave that still remains flexible.
SMART Plus Compound - Gravel specific tread compound for traction and durability.
SuperPoly polyester is a synthetic fibre stronger and softer than nylon and resistant to water. Challenge's SuperPoly casings are the more affordable handmade tyres. PRO series tyres are 220/260/300tpi depending on model. They are almost as supple as the Corespun Cotton but far softer than Nylon. The casing is impervious to water and so make the best value handmade tyres.
PPS Ganzo - A higher level of puncture protection utilising a multi-component fabric strip with a tighter weave that still remains flexible.
SuperPoly polyester is a synthetic fibre stronger and softer than nylon and resistant to water. Challenge's SuperPoly casings are the more affordable handmade tyres. PRO series tyres are 220/260/300tpi depending on model. They are almost as supple as the Corespun Cotton but far softer than Nylon. The casing is impervious to water and so make the best value handmade tyres.
Corazza Armor - Reinforced casing for gravel specific tyres utilising double layer 220/260TPI SuperPoly for durability and stability.
Dispatch times may vary. Our stock levels are live and most orders placed before 2pm are shipped same-day (Monday to Friday). Estimated dispatch times are shown alongside stock levels for reference.
Please note that delivery times are estimated from the point of dispatch, not when your order is placed.
UK
- Standard UK shipping is FREE on all orders over £20.
- Express shipping options are available at checkout.
- Click & Collect is available on in-stock items Monday to Friday between 9am and 5pm. - kindly wait until we confirm your order is ready before visiting.
EUROPE
- Europe standard shipping is £3.99 with an Express option available.
- We have had to disable shipping to the EU. We hope to be able to resume shipping to more EU destinations shortly.
REST OF THE WORLD
- We have had to suspend shipping outside of the UK. We hope to be able to resume shipping worldwide shortly.
We offer a no-quibble 30-days refund policy*. There's no need to contact us before returning your item(s). Simply send it back to the following address:
Sprocket and Gear (Returns), Kingfisher Works, Tag Lane, Hare Hatch, RG10 9SH, United Kingdom
Be sure to include your order number and reason for return. Sorry, but we can't cover, or contribute to, the cost of the return.
* To read our full returns/refund policy please click here.
SKU: CH-00537