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from 0 to 14 Bottom Brackets
Shimano's Unisex BBES300B18 Bike Parts, a splined bottom bracket for Octalink chainsets with sizes ranging from 68-118mm.
Shimano BB-UN300 is a square tapered bottom bracket with a British thread and comes in silver. It measures 68 to 115 mm and fits most bikes with a standard frame.
Shimano UN300 Bottom Bracket with British Thread and Silver finish. Fits square taper cranks measuring 68mm or 113mm. Easy to install, provides smooth and durable performance. Suitable for various bicycle types.
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