Wossner 2-Stroke Ringset - 43.50mm Category_Tyre Warmers constructed from SUS 420 stainless

constructed from SUS 420 stainless steel & heat-treated to HRC 36+-2 paired with high-quality Premier PR Series Sintered Brake Pads that have been upgraded to a HIGH DENSITY sintered metal compound suitable for all types of MX

regardless of whether you're on a plastic or metal surface

Compatible with motorbikes and ATVs with a 420-630 chain

High cured temperature resistance is compatible with grip heaters

PCB is designed to reduce the threat of thermal runaway and premature battery failure

Wossner 2-Stroke Ringset - 43.50mm Category_Tyre Warmers constructed from SUS 420 stainlessWossner is Germany's finest aftermarket forged piston and rod manufacturer and have over 25 years of experience in the high performance racing industry. Top European racers and FIM World Champions rely on Wossner for only the best pistons, rods, and customer service. Diameter: 43. 5mm Note: This includes ONE Piston Ring and some fitments may require two