Topeak Tri-Backup Tube Bag

. The Topeak Tri BackUp Tube Bag provides protection for spare inner tubes, which are worn down by exposure to harmful ultraviolet rays and adverse weather. It is designed to comfortably hold tubes up to 700 x 25c in size and will seamlessly integrate with the Tri BackUp Pro I & V saddles Features Works seamlessly with Topeak TRI BackUP Pro V Pro I Saddle rails Material 420D Nylon Dimensions 12.2 x 6.8 x 4.4cm Inner Tube Compatibility Up to 700 x 25cBuy Topeak Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.