Park Tool HR-12 12mm Hex Wrench New In MagicZero: automatically checks and recalibrates

MagicZero: automatically checks and recalibrates your power meter as you ride – no need to manually calibrate

Included: Set of two Clik Cores

With ingredients such as niacinamide

It's rated IK09 for impact resistance and IP67 for water and dust protection

5 mmRecommended inner bearing: SRAM Wide DUBAxle material: AluminiumCrank arm material: Aluminium

Park Tool HR-12 12mm Hex Wrench New In MagicZero: automatically checks and recalibratesThe Park Tool HR 12 is a simple 12 millimeter hex wrench, constructed from through hardened industrial quality steel with chamfered tips for a precision fit. 12 mm hex wrenches are sometimes necessary for removing the freehub bodies from several popular brands of hubs (Mavic, Sun Race, Sovos, and others). Also sometimes used for thru axle hub service. Mfr Claimed Weight TBC