Replacement rear hub axle kits include axle, reducer, endcap, endcap inserts, spacer cap and bearings.
What's in the box: Axle, axle reducer, bearings (x2), washers, axle bolt, c-clips (if applicable), and endcaps
*non-Boost Axle Kits come with 142mm, 135mm, and 135mm QR endcaps
*LG1 Axle Kits come with 150mm, and 157mm endcaps
*Boost axle kits come with 148mm endcaps