JT Sprockets TwinStar Rear Sprocket T51 Grey (JTX251.51GR) S3-Cat-Security Prevents road grime and moisture

Prevents road grime and moisture from accumulating in the mounting threads

Constructed using advanced heat-treatment processes for maximum component hardness

Features a durable anodised coating to prevent scratching and wear

Easy spray-on application provides an immediate protective layer for long-distance trips

Direct OEM replacement that fits perfectly into existing mounting lugs

JT Sprockets TwinStar Rear Sprocket T51 Grey (JTX251.51GR) S3-Cat-Security Prevents road grime and moistureThe 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