Park Tool Quick-change Bit Driver Set QTH-1 drumbeat21-1714 but also works well for

but also works well for trail and urban use when mounted to a helmet with the optional CatEye Universal Helmet Mount

Made of thin steel and nickel plated and heat treated for a lifetime of use

With a smooth and powerful Shimano electric motor providing pedal-assist to 32kph for NZ and 25kph for AU

Size: 26 x 1

Park Tool Quick-change Bit Driver Set QTH-1 drumbeat21-1714 but also works well forThe QTH 1 is an ergonomic T handled bit driver equipped with eight common bits to fit a wide variety of fasteners and fittings found on bicycles. The magnetic 'quick change" handle allows for one handed operation and makes changing bits quick and easy. The bit holder can be magnetically attached to any magnetic surface such as a repair stand or tool box, or can be permanently mounted to any wall or tool board. The QTH 1 is a professional grade tool