The high-quality kit includes a 520VX3GB x 106 gold X-ring chain, JTF1321-14 front sprocket, and JTR1301-40 rear sprocket, all manufactured by DID and JT. Covers 2021 to 2024 Models. JT sprockets are made using only the best available materials.SCM420 chromoly steel alloy for front sprockets, and we are the only sprocket manufacturer using the ultra-durable high carbon C49 steel for rear sprockets.
