FLYING 50's HONDA XR/CRF 50 70 CHAIN GUARD Brand New!! Never Been Used or Installed!! This item fits most Honda XR50, CRF50 and similar pit bikes like 70cc, 110cc 125cc.  It wraps the chain to guide it onto the rear sprocket, and replaces the flimsy factory stock guard. It also prevents the chain from derailing and causing engine case damage. A highly recommended upgrade for all serious riders!! Specifications: Replaceable Buffer Blocks Wraps the chain completely Almost indestructible HDPE plastic Color = BLUE 4 other Colors to choose from..