V8`s use exactly the same body design as the V12, but they run on precision ground (1/8 balls),adjustable bearings (and a tough Cro. mo axle. A grease port and V-Lube syringe mean easy servicing. Eight replaceable M4x0.7x8 corner pins, and 12 fitted non-replaceable pins per pedal. 9/16" (for 3 piece cranks) only (standard pedal size for mountain bikes).