Diamond tyre warmers to fit 120 front and upto 190 rear. Used for a handful of track days. Been stored away for about 4 years as I've moved to a bigger bike with a 200 rear. Great condition. from the site Professional tyre heaters developed with the help of of the worlds top tyre technicians. Our tyre heaters are manufactured using Nomex® fire resistant fabric incorporating high performance deep triple elasticated sides to aid in superior fitment and helping keep heat in the sidewall and rim, even on windy days, and our new outer pull tabs for ease of removal when wearing gloves before a track session.