Application:
① The outer lock cover is compatible with 9mm quick-release axle and 12mm/15mm thru-axle, suitable for discs such as Shmano RT30, RT54, etc. It can be disassembled and assembled using TL-BB01 bottom bracket wrench or BB Wrench Tool-A double-headed bottom bracket wrench.
② The inner lock cover is compatible with 9mm quick-release axle or 12mm thru-axle, suitable for discs such as Shmano RT81, RT64, etc. It can be disassembled and assembled using a cassette socket.
Features: Made of aluminum alloy, lightweight design; CNC turned, fine workmanship; Anodized, bright color, multiple colors available.