Upgrade your drivetrain's smoothness and longevity with this aftermarket ceramic external bearing bottom bracket, engineered for Shimano MTB cranks in 83mm double-wide (downhill/freeride) shells. Ceramic bearings deliver noticeably lower rolling resistance than steel, staying cooler and lasting longer under hard trail use — so you spend more time riding and less time wrenching.

  • Ceramic bearing cartridges for reduced friction and extended service life
  • Fits 83mm DH/BB shell width
  • Compatible with Shimano MTB external-spline cranks
  • External cup design for straightforward installation and replacement
  • Sleek black finish
SKU BPW-1350
Model # 1350
Barcode #
Brand Shimano