Fastway - Kawasaki KX250F/450F ('13-UP) Spark Arrestor | PMB-01-2105 Suzuki Two small roller bearings inside

Two small roller bearings inside the handlebar allow a shaft connected to the throttle tube to spin friction free

For example

especially when you're far from civilization

lubricating and protecting them from friction

KTM (17-19) 150 XCW

Fastway - Kawasaki KX250F/450F ('13-UP) Spark Arrestor | PMB-01-2105 Suzuki Two small roller bearings insideThe Fastway Spark Arrestor End Cap is designed as an efficient way to convert your stock muffler into a U. S. F. S. approved spark arrested muffler. When the spark arrestor screens are not required, such as at the MX track, simply remove two machine screws on each end cap and take out the screens. Each end cap is machined out of solid 6061 aluminum and anodized with a protective finish. Designed to quickly and easily convert stock, 4 strokes and some