Topeak Fastfuel Tribox Hardshell Top Tube BoxThe Topeak FastFuel Tribox is a hard-shell top tube box for storing your journey and race-day essentials. Engineered to be super-aerodynamic, minimises wind drag and eliminates any obstruction or interference with your legs, so you can focus on the ride. Secure, Lightweight and Streamlined StorageThis Tribox is ideal for storage of snacks, gels, energy bars and other small tools. Plus, it’s held in place using built-in top tube integrated bosses or via secure scratch-free straps. And, its large opening enables efficient and convenient access to whatever you require when out on the open road. Compatible with triathlon, time trial and road bikes, this FastFuel box is a super storage option suited to all cycling events and training sessions. Features: Material: TPR / Engineering grade polymer Capacity: 0.65L / 40 ci, 6-8 gel packs Bag Attachment: Triathlon: top tube frame mount with integrated bosses; Road: straps on frame top tube Added Features: Secure scratch-free straps, 3M transparent protective film Top Tube Diameter: Fits 33 – 72 mm Size: 26.7 x 6.3 x 4.9 cm / 10.5″ x 2.5″ x 1.9″ Weight: 207 g / 7.30 oz (with straps)Buy Topeak Accessories from Chain Reaction Cycles, the World’s Largest Online Bike Store.