Sunrace 7-Speed 13-28 Freewheel Go to amazon.com Related posts Top 6 recommendation freewheel 7 speed 2022 FeatureHG Shimano, index compatibleRange: 13-28Drivetrain Speeds: 7SunRace Multi-Speed Freewheels DescriptionSteel rings with polymer spacersZinc finish460 gSHIMANO Equivalent MF-HG37 / MF-TZ37