GritShift Gearbox Breather Kit W/Fluid Reservoir Shopify Collective Pairs a 7075-T6 billet aluminum

Pairs a 7075-T6 billet aluminum rear sprocket with a nitrided 52100 tool steel front sprocket and a Japanese non-O-ring chain for maximum efficiency and long life

The RK 219 KRO sealed chain makes this kit super quiet and long lasting with less maintenance

Also fits the display of EBMX X-9000 controllers

To complete the installation

Aggressive stainless steel teeth pattern ensures your feet stay planted

GritShift Gearbox Breather Kit W/Fluid Reservoir Shopify Collective Pairs a 7075-T6 billet aluminumA CNC machined billet aluminum gearbox breather kit with a baffled internal design and fluid reservoir, built to replace the factory one way check valve that causes vacuum related seal damage over time. Designed for e motos that come from the factory with a check valve that only lets air out not back in creating a vacuum when the gearbox cools that can suck in contaminants or fail seals. Direct mount to factory hose clamp points with no modifications