Cema SRC is a double-sealed bearing specially designed for bicycles. The packing design and their grease ring contribute to an easy rolling bearing with long life. All bearings are manufactured to ABEC-5 Standards.

Size: 6904

Dimensions: 20x37x9mm

Ball type: Steel

A number of bearings: 1 pc.

Ceramic balls have many advantages compared to steel balls.

They increase performance and extend shelf life. CEMA offers G5-Class silicon nitride balls.