GRAVINE Pro - Handmade TLR Size:700x40C This heavy-duty tool generates much

This heavy-duty tool generates much more controlled leverage than a weaker

and helping prevent flats

Learn more about using the tool

The Criterium RS improves speed

This unique keychain is handcrafted from a recycled racing bike tire

GRAVINE Pro - Handmade TLR Size:700x40C This heavy-duty tool generates muchConfident in Rough Conditions The Gravine is the most aggressive tread of the Challenge line up, suitable for more severe terrain. Tread depth is increased for greater braking traction and enhanced grip in loose gravel and rockier terrain. The wide spaced knobs encourage mud and dirt shedding and find traction when smaller tread patterns are overpowered. This handmade PRO version combines a supple Super Polyester casing with our durable SmartPlus