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Continue to ChatSprocket - Front, 11 Tooth, 428 Chain, 17mm Hole - 20A1600 - PBC3288F1 - https://www.giovanni-bikes.com/express-parts-catalog/sprockets/sprocket-front-11-tooth-428-chain-17mm-hole-20a1600-pbc3288f1
Sprocket - Front, 11 Tooth, 428 Chain, 17mm Hole - 20A1600 - PBC3288F1 - https://www.giovanni-bikes.com/express-parts-catalog/sprockets/sprocket-front-11-tooth-428-chain-17mm-hole-20a1600-pbc3288f1