These Schumacher rear wishbones are a factory replacement lower control arm set for the CAT L1 and L1 EVO platforms, offered in a medium flex compound. Sold as a pair, they are molded from dark composite plastic with an open lattice design for a balance of strength and weight. Yellow dot markings identify the flex rating, making it straightforward to differentiate from other flex variants in your parts collection. Features: Medium flex composite compound Rear lower control arms, sold as a pair Flex rating identified by yellow dot markings Open lattice molded construction Direct fit for CAT L1 and L1 EVO platforms 7/7/26 cs