HGS - Yamaha 4 Stroke Exhaust Systems Apex Bicycles The stock 15mm axles and

The stock 15mm axles and other lightweight aftermarket options were simply not tough enough for their race bikes

Tubeless ready with anti-burp rim hooks to prevent the loss of pressure and keep tires firmly in place

thanks to its revolutionary grip tendencies

Zipper access to stitch the logos of your sponsors

Contains No Natural Latex

HGS - Yamaha 4 Stroke Exhaust Systems Apex Bicycles The stock 15mm axles andHGS is a Dutch company that produces high quality exhaust systems for enduro and dirt bikes since 1988. The HGS exhausts are highly regarded by many professional motocross teams and privateer riders competing at different levels of competition. Dont get left behind, When controlled horsepower is the question HGS is the answer! The HGS silencer will have an exhaust noise below the race rule 94db in enduro racing and motocross racing.