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Chainwheels RA4-622C-NT
RA4-622C-NT
Crank: 170,172.5,175mm (Forged AL6061-T6) Chain ring: 39/53T (Alloy) BB: Cups-BC-1.37x24/68mm/73mm Chain Line: 43.5mm BCD: 130mm Speed: 2x9s/2x10s Weight: 730g
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