Chain & Sprocket Kit Contents: 14T Front Sprocket - SPF700514C 48T Rear Sprocket - SPR455248C 120 Link RK Chain - RKPGB420MXZX120 RK Kit Box - SPRKITBOXRK chain and sprocket kits are the perfect drive maintenance kit for your bike including a strong and durable 14T front and 48T rear steel sprocket constructed from SCM420 chromoly steel alloy (front) & C45 high carbon steel with a electroplated Zinc finish (rear) paired with a high-quality Heavy Duty RK chain this kit has everything you need to replace your old warped and stretched chain and sprockets. The perfect alternative to expensive OEM replacements while designed to meet and exceed OEM specifications. Supplied in presentable packaging with a carry handle for convenient transportation.About the Chain:A heavy duty non-ring chain designed specifically for motocross as a lightweight alternative to your standard heavy duty chains the MXZ series has a chromoly steel construction with seamless rollers and bushings with oversized special alloy pins for added strength. Excellent quality and cost performance for 125-250cc motocross bikes. Fits: Husqvarna TC65 2017-2021 KTM 65 SX 2002-2022