Shimano BB-UN54/ 55 crankshaft
Shimano BB-UN54/ 55 bottom bracket. High quality for a very low price. Ideal for city bikes, fixed gear, single speed.
| Type Bottom Bracket | Square Axle (JIS) |
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Customer Questions
Affordable prices
Trusted seller since 2008.
Knowledgeable on fixedgear
High quality service
Low shipping cost.
