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Continue to ChatSprocket - Front, 12 Tooth, 420 Chain, 17mm Hole - 20A1505 - PBC3278F1 - https://www.giovanni-bikes.com/express-parts-catalog/sprockets/sprocket-front-12-tooth-420-chain-17mm-hole-20a1505-pbc3278f1
Sprocket - Front, 12 Tooth, 420 Chain, 17mm Hole - 20A1505 - PBC3278F1 - https://www.giovanni-bikes.com/express-parts-catalog/sprockets/sprocket-front-12-tooth-420-chain-17mm-hole-20a1505-pbc3278f1