JT Sprockets TwinStar Rear Sprocket T51 Grey (JTX251.51GR) S3-Cat-Security Constructed using advanced heat-treatment processes

Constructed using advanced heat-treatment processes for maximum component hardness

Allowing the rider to use 2

and general wear and tear

Manufactured from forged material for superior strength and impact resistance

JT Sprockets TwinStar Rear Sprocket T51 Grey (JTX251.51GR) S3-Cat-Security Constructed using advanced heat-treatment processesThe 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