Challenge gravel grinder race clincher 700c tyre black 380mm
The gravel grinder race clincher 700c tyre from challenge is a graveltouring tyre made with a 120tpi nylon casing it has a shallow small knobbled centre tread with big deep well spaced tread down each side this help you run smoother along straights but still have grip when cornering available in black only in 700 x 38c