【Replacement Part Number】Chain Adjuster Kit Replace OEM for 501546301, 501 54 63-01.
【Package Include】2 x Chain Adjustment Screws. This kit allows you to tighten or loosen the the chain tension.
【Chain Adjuster Kit】This Chain Adjustment Screws is specially designed for used to apply adjustable tension to the chain. If the bar does not adjust when you turn the tension,screw usually the tension gear/pin.
【WE CARE FOR YOU】Chain Adjuster Kit comes with any questions reply within 24 hours. Please email the HAISHINE-authorized store first for a solution, we will be sure to provide a satisfying solution for you.