Slideshow Items
Shimano's BB-UN55 Square Spindle Bottom Brackets are the unofficial standard for English-threaded cartridge bottom brackets. Quality, value, and durability.
| BB SHELL THREAD | English Thread |
| BB SHELL WIDTH | 68mm, 73mm |
| SPINDLE INTERFACE TYPE | Square Taper |
| SPINDLE LENGTH | 107mm, 113mm, 118mm |
Carousel items
You cart is currently empty
