Give your bike a luxurious upgrade with C-Bear's Shimano Pulley OCM featuring ceramic pulley wheels for a smoother and more efficient ride.

Some call this OverSize, C-Bear simply call it Original Cage Max, OCM.

With 12 speed compatibility and high-quality Shimano compatibility, this hybrid bearing system is the perfect choice for any discerning cyclist. Elevate your cycling experience with C-Bear.