K&N Air Filter Oil YCRF_e-bikes Available with the color and

Available with the color and contrast enhancing Happy Lens and Trident polarization

Also features a welted construction sole plus a removable washable insoles

provides a customized fit

while maintaining protection from dirt and debris

K&N Air Filter Oil YCRF_e-bikes Available with the color andK&N Air Filter Oil is the only oil specially formulated to work in combination with the cotton fabric in K&N air filter elements providing a superior air filtration system. When used as directed, it quickly penetrates the filter pleats, where it remains suspended in the cotton fabric. Saturation is maintained until the element is cleaned with K&N Air Filter Cleaner. FEATURES The only oil designed specifically for K&N air filters Specially formulated