VeloChampion Bike 'Gooj 2' Multi Tool 16 Function with Chain Breaker / Pin Splitter / Cutter 16 FEATURES - including Chain Splitting Tool, Torque T-25. Chain Tool fits all sizes (8,9,10,11 speed) can also be used to re-join the chain Hex Wrench (Allen Key) 2 / 2.5 / 3 / 4 / 5 / 6 / 8 mm. Philips Screwdriver, Flat Screwdriver, T-25 The Ultimate race weight tool (185g) with everything you will need for most roadside repairs.