Product reviews:
Ryan
2025-05-19 iphone XS Max
6 Speed To 7 Speed Freewheel Conversion 9 speed chain on 7 speed cassette
9 speed chain on 7 speed cassette
Upton
2025-05-18 iphone 6s Plus
Shimano Tiagra/Sora CS-HG50 Cassette + 9 speed chain on 7 speed cassette
9 speed chain on 7 speed cassette
Gordon
2025-05-28 iphone 11 Pro Max
KMC 6/7/8/9 Speed 116Links Chain MTB 9 speed chain on 7 speed cassette
9 speed chain on 7 speed cassette
Murray
2025-05-22 iphone 11
Shimano Dura-Ace Compatibility 9 speed chain on 7 speed cassette
9 speed chain on 7 speed cassette