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Continue to Chat420 Chain - 80 Links, Pre-Boxed - CHN420-80 - PBC1146F1 - https://www.electricbikeusa.net/express-parts-catalog/chains-guides-tensioners/420-chain-80-links-pre-boxed-chn420-80-pbc1146f1
420 Chain - 80 Links, Pre-Boxed - CHN420-80 - PBC1146F1 - https://www.electricbikeusa.net/express-parts-catalog/chains-guides-tensioners/420-chain-80-links-pre-boxed-chn420-80-pbc1146f1