• Set includes 5 polyurethane cush rubbers
• Each polyurethane rubber is carefully crafted to balance performance with comfort
• Polyurethane rubbers hold their shape better over time and are firmer to reduce reaction times
• Last up to 10x longer than OEM rubbers
• Impervious to oils, chemicals, and atmospheric conditions (smog/ozone)
• Easily installs into BST wheels, OEM wheels, and many other wheels designed to take OEM H-D rubber isolators
• Direct replacement for H-D Part # 40278-09
• Made in the USA

Polyurethane provides improved performance, greater durability, and will outlast the stock OEM rubber and is much stronger. They will reduce your reaction time at the drag strip. Whether you are drag racing a high horsepower bike, cruising the street, or if you are a daily driver you will benefit from this product. By changing the compound they hold their shape over time and resist the abuse of modern-day motorcycles. Made In The USA!

**Quantities are not guaranteed. Products may be on backorder from manufacturer. Special order and custom items are subject to wait times for production.**