Restrap Bolt-On Top Tube Bag Keep Your Snack and Tool Close Do you have mounting holes on your top tube and don't know what to do with them? Add a top tube bag for extra storage. The Restrap Bolt-On Top Tube Bag is perfect for all your rides and is designed to keep your tools and snacks within reach. Made from 100% waterproof textured nylon and with a tough YKK zipper, it will withstand whatever your ride throws at it. The headset fitting is designed to work with all headsets, including bikes with a low stack height. Features100% waterproof textured nylon with a nylon lining Mounts using 64mm spaced top tube bolts Weight: 100g | Restrap | Bolt-On Top Tube Bag 0. 8L, Black | Nylon