Happy 25 Years Cycle Solutions
Sealed cartridge assembly
Weight:262g
Oversize BB spindle
OCTALINK splined axle crank arm interface
CARTRIDGE BOTTOM BRACKET, BB-ES51
| THREAD IN OR PRESS IN | English thread |
| SHELL WIDTH | 73mm |
| CUP DIAMETER | N/A |
| SERIES | ES51 |
| GENERATION | Non-Series |
| SPINDLE LENGTH | 118mm |
| CRANK INTERFACE | Octalink |



