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!