Key Features:BB86/92 thread together bottom bracket,Two machined aluminium cups thread together ensuring the bottom bracket remains stable in the frame, increasing bearing life and simplifying maintenance,No more creaking, smoother operation, longer bearing life, and really quick bearing replacement,Designed for racing or indoor use only,Requires regular servicing,Directly replaces all OEM BB86/92 bottom brackets,Overall width is still the same as all other BB86 bottom brackets,Note: Use only bottom bracket tools compatible with 16-notch MegoEvo BBs(Park Tool BBT-29).