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

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

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.