Programmable warmers designed to keep the temperature at a constant. Very easy to set the temperature. Temperature can be set from ambient to 99 C. Works on 120 front and 180-190-200 size rears  Colour options sometimes available in 180-200 model. Or can be ordered.
These warmers allow you to "Tune" the tire for maximum wear and grip. When trying to obtain your best lap time paying attention to the hot tire pressure is a must.
Bickle Warmers are very user friendly. These are the warmers used by PJ Jacobsen and HSBK/Celtic Racing in Moto America also CSBK's number 1 plate holder for 2019 Ben Young.
If you are serious about your lap times this is a must have to set hot tire pressures before going out on the track.
Dupont Nomex Inner liner 
Carbon insulation  for better heat retention
Tailored fit with elastic side skirts to ensure good contact of heating elements, easier to install
Evenly spaced heating element = Full coverage heating
Digital controller and easy to set temperature
Silicone insulated  heating element
Felted Carbon Insulation
Urethane backed ballistic nylon exterior