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RK's heavy duty chains have a longer wear life than a standard chain. The MXZ chain has high quality pins, bushings and rollers for maximum durability. All pins are 4 point riveted. This chain is suitable for 150cc max. street and 125cc max off-road
(based on 1 review)
Reviewed by 1 customer
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Comments about RK 420 MXZ Heavy Duty Chain:
This chain delivered. I picked it up on sale. Installed on used sprockets. Learned how the align chain properly after several uses. Was not very regular with lubing this chain too. It lasted half a season of my son racing on his kx65. I feel it was worth it at the sale price. I am new to this sport, so I do not know what to really expect. I survived my ignorance to proper chain maintenance.
Bottom Line Yes, I would recommend this to a friend
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