VC Bike Gooj 3 Multi Tool 15 Function with Chain Breaker and Free Neoprene carry case 15 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, Tyre Levers x 2 Fits 3 most common spoke wrench sizes: 3.2, 3.3 and 3.4 mm; Oversize Shimano and Mavic specific. As used by VCUK / Champion System Pro Cycling Team