The Corghi EM430 Electronic Wheel Balancer with microprocessor includes a large LCD display and wheel guard up to 44". With an automatic data entry for distance and diameter, this balancer is accurate to 1 g. The EM430 balances tires up to 35" in diameter, with a rim diameter of 1" to 23", and a rim width of 1.5" to 20". Maximum tire weight of 144 lbs.