These Schumacher factory replacement rear yokes are designed for the CAT L1 and L1 Evo platforms, providing 10 degrees of caster and a medium flex rating to suit a range of track conditions. Sold as a pair, they serve as the rear hub carriers that locate the suspension arms and axle assembly. The medium flex compound allows the yokes to absorb impacts while maintaining consistent geometry under load. Features: 10 degree caster angle Medium flex compound Sold as a pair Direct replacement for CAT L1 and L1 Evo platforms 7/7/26 cs