PKT 50mm Axles Wall Thickness:1.9mm Chromoly (Soft) "super die-hard alpha" hardened and

"super die-hard alpha" hardened and treated pins

which is 1 1/8" OD tube

Each NEK seat is available in a variety of stiffnesses:

This bearing will accommodate a 30mm axle and features multiple set-screws to hold the axle in position

PKT 50mm Axles Wall Thickness:1.9mm Chromoly (Soft) "super die-hard alpha" hardened and50mm axles by PKT. Commonly seen as OEM replacement axles, PKT's Chromoly Mild Steel axle range for 50mm karting applications really deserve to stand alone as their own legitimate contender in the axle market. From substituting as well if not better for your OEM OTK axle, to giving you the performance where another axle might not, PKT has you covered for 50mm axle uses. Mild steel axles are denoted by the D line. All axles are cut for 2 and 4 cycle