SHIMANO BB-UN300 Bottom Bracket – English, 68 x 122.5mm Spindle, Square Taper JIS, 50mm Chainline

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Amazon Price: $17.97 (as of November 9, 2025 12:20 pm – Details). Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on the Amazon site at the time of purchase will apply to the purchase of this product.

Brand: SHIMANO
Manufacturer: Shimano

Features

Fits JIS square-taper cranksets
Crankarm fixing bolts sold separately
Hollow spindle
50mm chainline

Manufacturer Info

PartNumber: EBBUN300B23X

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