Shimano Dura Ace BB86 Bottom Bracket | Competitive Cyclist
A BB86 shell lacks internal threads and has a 41mm inside diameter. This Shimano Dura Ace BB86 Bottom Bracket Assembly is made to press right into your bike. It will mate your Shimano HollowTech crankset to any frame equipped with a BB86 bottom bracket shell. Frames that use BB86 bottom brackets include bikes from Scott, Giant, and plenty of ...
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