Booster performance and robustness thanks to the high-quality Shimano ES300 bottom bracket. Designed for easy, maintenance-free assembly.
Bottom bracket components shimano acera es-300 octalink. Large oversized 22mm diameter hollow forged chrome-moly tubing bb spindle to reduce weight, billet spindle increases strength and rigidity octalink splined axle/crank arm interface - results in stiffer crank compared to square tapered spindle sealed cartridge assembled with oversized ball bearings
Maintenance-free, high-efficiency rubber seals protect against dirt, mud, and water cartridge design allows easy installation without adjustment.
| Brand | Shimano |
| Supplier reference | EBBES300B21 |
| Color | black grey |
| Color | Black |
| Assortment | BSA |
| Stability | ATV |