Shimano’s BB-UN55 bottom bracket carries the Shimano mark of a quality component. It’s a sealed cartridge unit featuring English thread and a JIS Square Taper axle.
For convenience, the BB-UN55 comes assembled and greased, all ready for installation.
weight | 313 gram |
thread | English thread |
compatibility | JIS Square Taper (shimano, sugino, truvativ, and most other cranks) |
Weight | 313 gram |
Thread | English thread |
Compatibility | JIS Square Taper (shimano, sugino, truvativ, and most other cranks) |