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Shimano BB-UN300-K Bottom Bracket - English 68 x 122.5mm Spindle Square Taper JIS For Chain Case by N+1 Bikes -

Product Description

The Shimano BB-UN300 is a square spindle bottom bracket designed to fit JIS square-taper cranksets. It features a hollow spindle construction for reduced weight. Note that crankarm fixing bolts are sold separately and must be purchased to complete the installation.

Shimano BB-UN300-K Bottom Bracket - English 68 x 122.5mm Spindle Square Taper JIS For Chain Case

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Brand N+1 Bikes
Bottom Brackets N+1 Bikes

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