Sprockets are adapted for smaller-bore ATVs and adjusted to prevent clutch and engine overload Specially adapted 8" track that reduces ground pressure by 50% over tires Optimized geometry for overall superior performance and handling Centered, rubberized double-bearing idler wheels stand up to abuse with a high-impact resistance while preventing ice accumulation Rubberized, sealed mid-rollers increase wheel bearing longevity and prevent ice accumulation during winter use. TRACK SYSTEM ATV RS4