UN55

Shimano UN55 Bottom Bracket

€25.00

Shimano UN55 Deore LX bottom bracket.

A quality and affordable bottom bracket with JIS square taper axle and aluminum shell.

BSA (1,37x24TPI) or Italian (36x24TPI) threading.

BSA shell width is 68mm
ITA shell width is 70mm

for an overview of bottom brackets sizes please see Sheldon Brown

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