No Toil Air Filter Grade_20W50 Perfect accessory to help with

Perfect accessory to help with the bike's cleaning

Plastic-free packaging

With a vented design for airflow

You can also find it by looking at the size designation of your X-SPR Pro

spring and washer

No Toil Air Filter Grade_20W50 Perfect accessory to help withFOAM AIR FILTERS: NO TOIL manufactures the World's best 2 stage foam air filters. Using only the best flame laminated dual layer foam bonded with the highest quality glue they hand make each foam filter to stand up to the roughest and toughest of any style of riding or terrain. These filters, used with No Toil foam filter oil, provide the best air filtration system in the world! (Remember: NO TOIL oil washes clean in water and is 100% biodegradable;