Uberbike Ceramic External Bottom Bracket 68/73mm - Gunsmoke

Features

• Lighweight CNC machined alloy cups (BC 1.37") with replaceable bearings, anodised finish with laser engraved logo, supplied with matching alloy spacers.
  
  
• Advanced  bottom bracket design, lengthened space between bearings, enhances stability under pedalling load.
  
  
• Composite centre tube double O-ring sealed, external custom lipped outer seals.
  
  
• Uberbike ceramic bearings offer the highest standard of rotating performance, not only greatly reducing the loss of power but also enhancing the best performance of water-resistance. The ceramic bearing system provides better power distribution and provides extra smoothness when pedaling, thus dramatically reducing abrasion and friction.
  
  
• Benefits over stainless steel bearings
  
  
• Smoother operation than stainless steel ball bearings. More efficient power delivery at each pedal stroke.
• Increased durability.
• Water resistance.
• Lower friction coefficient.
  
  
• Compatible with Shimano Hollowtech II, Raceface X-Type external bottom bracket systems. 68/73mm shell width.
  
  
• Weight -Only 93g. 16g lighter than the high end competition.