Two easily accessible hidden compact tool kits are housed in your handlebar ends. These tool kits are the perfect companions for your mountain bike. The tool kits are compatible with handlebar ends with a minimum 128mm straight section ID range of 18 - 21.2 mm. The tool kits can be easily mounted on handlebar ends.The dimensions of the tool kit are 13.5 x 2.5 x 2.5 cm (5.3 x 1 x 1) and the weight is 77.5 g (2.73 oz). The dimensions of the repair kit are 9.2 x 2.5 x 2.5 cm (3.6 x 1 x 1) and the weight is 24 g (0.85 oz).