JT Sprockets Front Sprocket BMW S1000R / S1000Rr / S1000Xr / M1000R / M1000Rr / HP4 JT Sprockets utilizes the latest in computer design and metal cutting technology to ensure maximum durability. Its state-of-the-art manufacturing process enhances the longevity and performance of the sprockets, making it a reliable choice for motorcycle enthusiasts. Features: 525 pitch OE-style rubber cushion JT front sprockets are made from ultra durable Scm420 steel alloy All sprockets are heat-treated and hand-finished to meet or exceed the highest quality standards