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JT aftermarket rear sprocket for Honda Grom 125 (2014-2021) with 428 Chain Conversion! There's no other way to counter balance your engine power other than transmission adjustments! Affordable and easy to install rear sprocket for Honda Grom 125! This sprocket will only fit Honda Grom's with 428 pitch chain.
JT aftermarket rear sprocket for Honda Grom 125 (2014-2021) with 428 chain. . These sprockets would fit directly onto the OEM Honda Grom rear Hub carriers and would accept 428 pitch chains. Stock chain is 420 pitch.
428 Chain conversion is perfect for stunting.
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