Product Description - Spare part for pedals The replacement axle for the Shimano PD-GR500 platform pedal also serves as a replacement for the original axles of PD-MX80 and PD-M647, which are no longer manufactured. There is one version for the left and one for the right side. In each case the entire axle is supplied. Technical Information:Threads:BC 9/16" x 20 tpiCompatibility:PD-GR500, also fits PD-MX80, PD-M647Manufacturer Numbers:Right:Y-L8798020Left:Y-L8798030Contents:1 x Shimano pedal axle, complete Manufacturer: Shimano Europe B.V. High Tech Campus 92 5656 AG Eindhoven Netherlands info@shimano-eu.com