Juscycling 1.85mm Bicycle Wheel Spacer for 11-Speed Road & MTB Bikes

• WHEN YOU NEED IT: Your wheel has an 11-speed road freehub and you want to run an 8, 9 or 10-speed cassette. This 1.85mm spacer takes up the extra freehub length so the cassette locks down tight.
• FITS: Any cassette with the standard HG spline, the most common type. That includes Shimano, SRAM PG-series, SunRace, microSHIFT and most aftermarket cassettes.
• NOT FOR: Campagnolo or Shimano Micro Spline freehubs.
• PRECISION FIT: The inner splines are precision-machined to match the HG freehub profile, so the spacer slides on snugly and sits flat behind the cassette.
• BUILT TO LAST: Lightweight aluminum alloy that won't rust. The thickness is marked on the spacer, so it's easy to tell apart in your parts bin

Please choose the size opitons based on your application.