A sturdy waterproof top tube pannier gives cyclists quick and easy access to personal items. Energy bars, phone, wallet, keys or other small items can now be literally at your fingertips. fastening: adjustable nylon straps Capacity: 1 l Layout: main pocket Material: TPU Head tube diameter: ø38 - ø52 mm Top frame tube diameter: ø38 - ø170 mm Dimensions: 22.5 x 9.2 x 6 cm Weight: 119 g