The smaller end fits six splines of the integrated nipples with 5.65mm OD splines, and 7mm thread size nipple. These are found on the R-sys wheels. The larger end fits six splines of the 9mm spline OD of the threaded eyelets of the "FORE drilled rim adapters" found on rims such as the Mavic XM819, EX823 and Speedcity wheels.
(7 reviews) 7
Rating breakdown7 reviews
6 out of 7Would you recommend this product to a friend?86%reviewers recommend this product.