Bicycle Accessories 18x30x7 6903-18RS MR18307 Bicycle Bearing Ball Bearing 18307-2RS 18307-LBLU

Label:Yes Ball Bearings 18307-LBLU Size: 18mm X 30mm X 7mm Material: Bearing steel Pacakge include:2pcst Bearings 61903-18RS

Bearings are made of Chrome Steel, each bearing has 2 sealed with rubber seals to protect the bearing from dust or any possible contamination, also bearing is pre-lubricated with grease.