Boost 6 Bolt and ISO B Conversion Kits

Convert your ISO B and Boost 6-Bolt hubs to fit Shimano HG, Micro Spline, or SRAM XD cassettes using our latest technology.  Gen 4 conversion kits include a pre-assembled axle, driveshell, and adjusting clamp for a plug and play swap. Installation requires a 2.5mm hex key and T10 Torx tool. Compatible with ISO B 6-Bolt hubs. Serial numbers will begin with 851. 148x12mm axle. Available with stainless steel or ceramic bearings. Available in Silver or Black. Contact info@chrisking.com with any compatibility questions.