Mounts to the seat stay with an angle adjustable strap type clamp Compatible with both rigid and full suspension frames Universal although ideally suited for 27.5` and 29` bikes Made from fibre-glass reinforced polypropylene Fits up to 3.0` tires Rear Universal Composite Black RS75 29` x 3.0` 341gUPC/EAN/GTIN: 3420582531018