ITEM NAME:2Pcs Mountain Bike Protection Cover Bearing Bb Threaded Fixed Gear Dustproo N4V7 2Pcs Mountain Bike Protection Cover Bearing Bb Threaded Fixed Gear Dustproo N4V7 Use:Road Bicycles Model Number:Bicycle center axle 100% brand new and high quality. Function:water and dust resistant Many pilots replaced the new bearings and the dust cover was damaged and could not be installed.This can be a good alternative,it is not necessary to use tools,press manually and install it,it is very convenient,after the crank is locked,there will be no slack.A bicycle needs two Colour:Black material:plastic Package Contents: 2* Bearing Protection Cover
