JT Sprockets TwinStar Rear Sprocket T51 Grey (JTX251.51GR) S3-Cat-Security Allowing the rider to use

Allowing the rider to use 2

Prevents road grime and moisture from accumulating in the mounting threads

Specially formulated nylon composite provides excellent protection against abrasion

Features the VX3 series X-Ring chain which offers 50% less friction compared to standard O-Ring designs

Heat-treated and hand-finished to exact tolerances for smooth chain engagement and reduced friction

JT Sprockets TwinStar Rear Sprocket T51 Grey (JTX251.51GR) S3-Cat-Security Allowing the rider to useThe JT Sprockets Twinstar range of Hybrid Steel Aluminium sprockets are made from two separate materials to provide lightness in weight, long life and enhanced power transfer in even the hardest race environments. The outer ring is made from JT's high carbon C49 steel blend (as used in their regular steel sprocket range). This steel has been tempered using JTs heat induction technology to achieve material hardness that last up to 6 times longer than