Get more from your mountain bike drivetrain with this aftermarket ceramic external bearing bottom bracket, built for Shimano MTB cranks in standard 68mm and 73mm threaded shells. Ceramic bearings run with less friction and resist wear better than steel, keeping your pedalling feeling smooth and efficient across the full range of trail conditions.

  • Ceramic bearing cartridges for lower friction and longer service life
  • Fits 68mm and 73mm threaded BB shell widths
  • Compatible with Shimano MTB external-spline cranks
  • External cup design for straightforward installation and servicing
  • Sleek black finish
SKU BPW-1356
Model # 1356
Brand Shimano