URL https://www.ebay.com/itm/353417971673?var=622590475184 Vendor Ebay Part variations Sunrace MX R Hubs HBMX90.R 135mm Rear SunRace 12-Speed Cassette CSMZ913 Price $139.99 135mm OLD hub w/ lightweight 12 speed 10-50T cassette. *It is not clear if it's the CSMZ913, it only sayz CSMZ91.