JT steel front sprockets are manufactured using Japanese SCM420 Chromoly or C49 high carbon steel. Accurately machined with the tightest of tolerances to guarantee a perfect fit and chain alignment. Fully heat treated / Fitment: Honda: 89-00 XL600VK - VX Transalp; 91-00 XL600VM T/M VX Transalp; 00-07 XL650V,Y,1-7 Transalp; 08-12 XL700V/VA-8, 9, A, B, C Transalp