or these........... Capit Sport Standard Superbike Tyre Warmers - Pair (Red) Ref: SIZ57427 Efficient and advanced tyre heating - the first tye warmers in the world without a thermostat inside. - Very easy to use - Fixed temperature at 85°c Better grip - Until tyres get up to the correct temperature, they are inflexible and the lack of grip can lead to sliding or even a crash. Going out on tyres at the correct temperature will give you better grip and confidence turning the bike into corners, accelerating progressively and allow you to be more in control. Your great new performance - By going out on preheated tyres, you will be able to put in faster lap times more quickly. For racers this saves valuable seconds and places in the first few laps. Track day enthusiasts will get more out of their day by not wasting up to 50% of their valuable laps warming up cold tyres. Make your tyres last longer - Warming up tyres on the road/track as opposed to going out with preheated tyres results in surface rubber being removed as the temperature rises. The discarded surface rubber forms little balls at the working edge. This Cold Tearing or Cold Shredding reduces the life of the tyre. Tyre warmers can pay for themselves by saving you the cost of several sets of tyres per season.
..I wont even begin to tell you what I we did to the hired Fiat Panda to make sure all the fuel we prepaid for was used.