evo.com | Shimano Chains > There's a reason we still use chains: they work! The Shimano CN-HG71 6,7,8-Speed Chain transfers power from your sprocket to your 6, 7, or 8 speed cassette. That's its only job, and it's very good at it. Compatible with 6, 7, and 8 Speed Drivetrains E-Bike Compatible | Shimano CN-HG71 6,7,8-Speed Chain 2022 - 116 Links