New 7 speed commuter with Shimano SIS index. No noise on stand, shifts smoothly but low clanking sound on road when pedaling in 4th & 5th though not other gears : r/bikewrench
Shimano Sis 7 Speed Shifter Hot Sale, 55% OFF | www.hcb.cat
BeeCool Bikes | SHIMANO TOURNEY TY Long Cage Rear Derailleur 6/7-speed