Kogel PUL-ALUM 11-Tooth Ceramic MTB Pulley Set (4/5mm Bore) (SRAM) Black

These Kogel pulleys spin on Grade 3, ABEC 5 hybrid ceramic bearings, the same bearings as Kogel's bottom brackets. The pulley wheels are made of aluminium which will make them more resistant to wear in muddy conditions. (Cross seals). This cross seal version is built for off-road. Cross seal versions offer the best durability, regardless of the weather conditions.