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

Size: 18307

Dimensions: 18x30x7

Ball type: Ceramic

Number of bearings: 1 pc.

 

Ceramic balls have many advantages over steel balls.

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