This bottom bracket offers extremely low bearing friction and long lifespan. The unique ceramic balls are of the highest achievable quality and out-perform everything else in the market. The system is so stiff and efficient that additional spacers are not required or supplied with it.

Features:

Use: Mountain Bikes,Road Bicycles
Material: Ceramic
Chainwheel Teeth: Inner diameter: 24 mm
Crank Length: Outside diameter: 41 ( 0.05,-0)