Bicycle modification upgrade transmission

SKU: CJYDQCZX01217-7 piece set

$678.99 USD

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(The chain of this kit is not ordinary IG51 but genuine HG50)

Standard accessories: M310 finger dial + M310 front derailleur + M310 rear derailleur + M311 chain ring + HG31-8 flywheel + HG50-8 chain + BB-UN26 123MM bottom bracket (set of 7)

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Every purchase supports our mission to raise future leaders grounded in empathy, respect, and accountability.

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