Includes T or L handle wrenches

2mm outside diameter bottom brackets

All headsets come complete with a Hope Head Doctor

Vibration mode：8 hrs

Enduro 6805 - 61805 25 x 37 x 7mm Bearing - MAX Full Complement Bearing Virtual Parent Includes T or L handleEnduro Standard Abec 5 are premium replacement bearings. These are great for hubs, pedals, and bottom brackets. ABEC 5 bearings feature: Grade 5 Chromium Steel Balls. In spec to 5 1,000,000 (military grade) 52100 High Carbon Chromium Alloy Races . What's the difference between ABEC 3 and ABEC 5? ABEC is an acronym for a committee that sets standards for bearings. Higher numbers mean higher tolerances (and price). For example, ABEC 3 balls are in