219 RK Sealed O-Ring | Primary Belt to Chain Conversion Kit | E Ride Pro

219 RK Sealed O-Ring Primary Chain Drive Kits For E Ride Pro SS KRO sealed chain makes this kit super quiet and long lasting with less maintenance. RK has won over 50 World Kart championships with this chain. 20% Lighter than the stock belt system More Efficient Than Belt Better Acceleration Longer Run Time Similar To Stock Gear Ratio DirtyBike's 219 RK KRO Kit features One-piece hardened steel sprockets with an endless sealed O-ring chain.  Installation Video Buyer and Maintenance Guide Installation Tool Recommendations Recommend Use 219H standard chain On road and light off road with stock power 219H RK O-ring and non-O-ring kits On road and off road up to 16Kw 420 with sealed x-ring Off road over 16Kw 420 with non-O-ring chain Racing only. Very Loud!