Durable Mountain Bike 68/73mm BB91 Bottom Bracket Bike Black

Description:

Made of Aluminum Alloy & Nylon plastic, this bottom bracket is solid and durable with a long srvice time.
Greater bearing durability
machined alloy threaded for increased power transfer.
This accssory is applicable for Integrative Crankset, whose diameter of the cylinder is about 24mm.
Applicable frame bottom bracket: 68-73mm

Specification:

Material: Aluminum alloy + Nylon

Package Includes:

1 Piece Bottom Bracket

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