Avon Tyres Am24 130/80S17 Gripster Rear 2635904 Size: 130/80T17 Style: Dual Sport Color: Blackwall Warranty: Avon Road Hazard Warranty is valid up to the first 1mm of tread depth expended, per tyre purchased. Use of Avon motorcycle tires on a rolling road (Dyno) will invalidate the tire warranty.