SIS REAR INDEX SHIFTING SYSTEM | SHIMANO BIKE COMPONENT
Amazon.com : Rear Derailleur, Huazu Bike Parts Gear Shifter for Shimano RD-TZ31-A with Direct Mount/Hanger Mount for 6/7 Speed Mountain Bicycles : Sports & Outdoors
BeeCool Bikes | SHIMANO TOURNEY TY Long Cage Rear Derailleur 6/7-speed
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 FD-TY500 TOURNEY FRONT DERAILLEUR - 6/7 SPEED - Bycyclistshub | BIKE ACCESSORIES STORE
Amazon.com : SHIMANO SIS FD-TY10 31.8 Front Derailleur 42T Top PULL Bike Bicycle : Sports & Outdoors
Shimano Rear Derailleur Long Cage SIS Index Triple MTB Touring RD-M531 | eBay