New 37++ Efx Motohammer Tires
New 37++ Efx Motohammer Tires. Engineered for control on hard pack, with a unique contact patch. The motohammer utv tire is a superior a/t option for hard pack. The motohammer tire is the single best hard pack tire on the market, boasting the best contact patch, superior traction control, rugged 8 ply carcass. Welcome to the official website for efx tires and the full collection of powersports specific tread patterns.