Description: 100% Brand New Replacement Chain Tensioner for old one Easy to install This chain tension-er is assembled by quality bolts clamp with bearing fitted roller. It suits for 2 stroke 49cc 70cc 80cc motorized push bike Specification: Max. Length: 122mm/4.80" Max. Width: 40mm/1.57" Chain Tensioner Roller Diameter: 45mm/1.77" Package Includes: 1 Piece Chain Tensioner Roller Guide
