Drive side adapter that pairs with DT SWISS Microspline freehub to convert 12mm thru axle bikes to the Shimano 12speed MTB drivetrain.Axle system: 12mm Thru Axle / RWSWeight [g]: 6.8Compatibility: DT SWISS Freehub for Shimano 12spd MTBPairs with: HWRABL00S2148SConverts: DT SWISS Star Ratchet hubs (240s, 350, 440) and most OEM brands using DT SWISS Star Ratchet internals (Giant, Syncros, Roval, Bontrager) to the Shimano 12spd MTB freehub standardPLEASE NOTE: As some DT SWISS hubs, and many Roval wheels using DT internals are NOT compatible with the Microspline freehub.