Long days in the saddle training and racing take their toll on your equipment. Tri-BackUp TireBag provides protection from harmful ultra violet rays that can quickly degrade a tubular tire. So the next time you have to replace your tubular tire, it’s ready to go. Designed to integrate with Tri-Backup Pro V and Tri-Backup Pro I for maximum aerodynamic efficiency.Material: 420D nylon,Compatibility: Up to 700 x 25c tubular tire (Max folded length 8.7 cm / 3.4”),Aero Tube: Fits up to 260 mm (10.2”) circumference,Size: 25.8 x 7.8 x 4.6 cm / 10.2” x3.1” x 1.3”,Mount: Works w/ TRI-BackUP Pro V / Pro I,  Top tube,  Saddle rails,Round Tube diameter: Fits ø23 - ø48 mm,Added Features: Side pockets, Zipper docks,Weight: 107 g / 3.77 oz (Bag only).