Topeak Tri-Backup Tire Bag fe-sport Rigid crankarm transfers the power

Rigid crankarm transfers the power to the wheel more efficently

there is still adequate flex to ensure comfort

making it more versatile than ever

and lock to join links

reinforced pull loop

Topeak Tri-Backup Tire Bag fe-sport Rigid crankarm transfers the powerLong 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, its ready to go. Designed to integrate with Tri Backup Pro V and Tri Backup Pro I for maximum aerodynamic efficiency. MATERIAL 420D nylon MOUNT Works w TRI BackUP Pro V Pro I Top tube Saddle rails