1. The new shape – Hexagon type. Easy install / disassemble on the bikes.
2. Tse the difference spacer to switch the system to BB30 / PF30 and MTB / Road option.
3. Keeps the appearance good looking no damage while mounting on the bikes.
4.The adapter is divided into 30mm or 24mm spindle for option.

#aerozinetitanium #aerozinebike #mtb #bikelife #downhill #mountainbike #cycling #dhbike #bikes #bike #mtbiking #xencrankset #cncmachined
#weightweenie #bikeengineering
#metrocycle #nathanbiking #bottombracket #PF30 #BB30