Chain Pulley Chain Pulley Model number:635Z Roof Rack Jeep Grand Cherokee Cross Bars offer 200lbs load capacity, lightweight aluminum, anti-theft locks, easy installation, and noise-free design ♥The sprocket tensioner is made of high-quality It is made of Polyurethane materials , with high durability, long service life with high strength and durability. ♥The chain roller pulley block is equipped with heavy-duty bearings that can be used at any time This sprocket roller slider is a must-have for the guide wheel, which helps the drive system to operate normally These bearings allow the tensioner and idler pulleys to rotate smoothly, reducing friction and wear on the engine belts. This ensures that... Bike Pulley 10pcs 10mm Mechanical Pulley Bearings,Roller Idler Bearing Pulley,Chain Bike Chain Guide The diameter of the roller is 30mm, and the length of the roller is 30m. Bearing hole 5mm High-quality Roller Idler Bearing Pulley- Sliding Nylon Wheel With 626Z Bearing E5a6ed0a 5a2b 4d44 9a7e Fd3abbf8d4f8.92572958ea2d31441c559de509bdfa1c The chain roller guide is suitable for most off-road vehicles, street cars, motorcycles, ATVs, off-road vehicles, etc. It will perfectly match your vehicle chain. The chain roller guide is suitable for most off-road vehicles, street cars, motorcycles, ATVs, off-road vehicles, etc. ♥Model number: 635z PU double bearing nylon roller,Sliding Conveyor PU Wheel with 635Z Bearing