PRO CIRCUIT Linkage Arm HONDACRF450 17-20Parts Description- Pro Circuit is excited to announce the release of our new linkage arm for the newly designed 2018 Suzuki RM-Z450 model. - The Pro Circuit Linkage Arm is designed to stiffen up the initial linkage curve and enhance the geometry of the chassis, greatly improving stability and traction. - The linkage arm is CNC-machined from billet aluminum, making it a strong improvement in strength, durability and performance over OEM.- The Pro Circuit Linkage Arm is a key addition that any 2018 RM-Z450 rider can benefit from.Pro Circuit. We Race.SKU: HPA17450