Two easily accessible hidden compact tool kits housed in your handlebar ends. The perfect tool companion for your mountain bike. The kits come with 3.5mm plug insertion tool for tubeless tyre repairs and a full set of 3 / 4 / 5 / 6 / 10mm Allen bits, T25 Torx® bits, and #2 Phillips bit for carrying out routine bike maintenance and emergency repairs. The handlebar needs to have a minimum straight section length of 128mm at the end and internal diameter between 18-21.2mm to allow the tool to fit.