Product Description Shimano XT PD-M8100 Spare Axle for MTB Pedals This axle is a spare part for the Shimano XT PD-M8100 clipless pedal. It has a standard thread of 9/16" x 20 tpi. This is the complete pre-assembled axle unit including lock bush and steel bearing balls. The version for the right side differs from the version for the left side. Technical Information: Threads: 9/16" x 20 tpi Compatibility: XT PD-M8100 Manufacturer Numbers: Right: YL8K98010 Left: YL8K98020 Contents: 1 x Shimano XT PD-M8100 spare axle Manufacturer: Shimano Europe B.V. High Tech Campus 92 5656 AG Eindhoven Netherlands info@shimano-eu.com