TRAXXAS TRX4 TRAIL CRAWLER Stainless Steel King Pins For Front C Hubs - 4pc set - GPM TRX4004S  [TRX4004S]

Product major function & usage :

Assists to support leading knuckle hands and wheel hub permitting them to move smoothly

1. Reduces the gap tighter match the C hubs, providing a smoother action and no slop/play
2. Reduces the friction the C hub assembly

King Pin design, smooth human body can lessen the friction

Original C hub and modified C hub can be used