SHIMANO UN54 BOTTOM BRACKET

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SHIMANO UN54 BOTTOM BRACKET
(Large image)

Finally, a good model for older bikes that already have square taper cranks. We like this one cause they're cheap to replace when they finally give up the ghost and come in virtually every size you could ever need, so you can get your chainline just right.

• 313 grams
• JIS taper (shimano, sugino, truvativ, and most other cranks)