Convert your ISO, ISO B or ISO Superboost DH rear hub to a Shimano Micro Spline compatible driveshell. Conversion kit is complete with axle, adjustment clamp, driveshell and all driveshell internals for a plug and play swap.Features:- Compatible with Shimano Micro Spline cassettes, XTR, XT, and SLX- Compatible with ISO 142x12mm, ISO B 148x12mm, and ISO Superboost DH 157x12mm rear hubs.- stainless steel or ceramic bearings.