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Shimano 
Square bottom bracket BB-UN300 (LL123)
Starting at
£22.10
Discover the quality and performance of the Shimano BB-UN300 square-axle bottom bracket for optimum chain stability.
Description + -
Square axle bottom bracket SHIMANO with quality cartridge bearings for performanceBetter chain stability with stabilizer3 types of mounting availableStandard, E-Type and chain case optionsAdapter material: aluminum
Additional information + -
| Brand | Shimano |
| Color | black |
| Color | Black |