The first to manufacture Tire Warmers in the U.S.A., Chicken Hawk Racing has supplied virtually all of the AMA Superbike teams and is well known for its quality and durability. The choice of AMA Factory Teams such as Yoshimura Suzuki, Red Bull Roadrace Factory, M4 Roadracing and Team Geico Honda. Slow, yet powerful, the warmer permeates the tire carcass with stable heat - attaining ôhot tire pressureö Saves ôheat cyclesö so tires donÆt age by being heated and cooled Dupont Nomex liner - melt-proof with temperature-sensitive dye Dual stage operating lights show when heating and when ready Allow for fast cornering from the first lap makes tire last longer Neoprene side panels insulate the wheel and ensure proper fit Highest watt density - 650 watts rear and 500 watts front Change operating temperature with the flip of switch Carbon and poly insulation for better heat retention Back-n-forth heater design provides even heating Safe to use with DOT and race compound tires Sold in sets - one front and one rear Settings: Low 135? and High 175?F Ballistic nylon exterior "Doctor Style Bag" 120V operation. TIRE WARMER 250 GP