Swing Arm Bearing Kit 28-1137 SIZE_Piston Oversize (+0.50mm) they are durable enough to

they are durable enough to handle the extremes of motocross and off-road racing

Ready to be upgraded with Nucleon chest and back inserts

Although most of the energy due to an impact is absorbed by the outer protective shell due to its deformation

old filter oil

Swing Arm Bearing Kit 28-1137 SIZE_Piston Oversize (+0.50mm) they are durable enough toA Quality Swing Arm Repair Kit from All Balls Racing. Bushings are case hardened and plated to prevent wear and corrosion. POM composite washer bearings replace thrust needle washers for susperior resistance to water and dirt and increase service life. Shafts are made from 52100 Bearing steel, through hardened and precision ground. Needle Bearings are made from 52100 bearing steel and ARC61 65 heat treated ST13 steel shell.