Sun Ringle SRC/SRX Freehub Body Kit 11 Speed Alloy disc-hose-tool The larger end fits the

The larger end fits the 6-spline 9mm OD of the threaded eyelets of the "FORE drilled rim adapters" found on rims such as the Mavic XM819

Get yourself a 54 tooth Ratchet kit from DT swiss designed to improve this low engagement count and keep up with what all that buzz is about

To avoid bonking while exercising

For use with 38t AM-type outer ring

Wolf Tooth 1x Chainring Bolt Sets Chainring Bolt UPC: 812719020435

Sun Ringle SRC/SRX Freehub Body Kit 11 Speed Alloy disc-hose-tool The larger end fits theReplacement freehub bodies for Sun Ringle wheels that accommodate a variety of cassette types. Sun Ringle Freehub Bodies Freehub Body UPC: 844171061091