Shimano Sora STI Shifters: 8 Speed - Double/triple - ST-3300 & ST-3303 - Front & Rear - Bike Recyclery
SENSAH STI Road Bike Shifters Double 2×8/2×9 Speed Lever Brake Bicycle Derailleur Groupset Compatible for Shimano Claris Sora (2*8s-Lever)
Shimano Sora 8 Speed Road Bike Groupset Build Kit STI Shifters Triple Crank 170 | SidelineSwap
Shimano Sora ST-3300 RIGHT ONLY 8 Speed Shifter Brake Lever | eBay
Review: Shimano Sora 3500 groupset | road.cc
Is this Sora rear derailleur (rd r3000 gs) actually compatible with 8 speed cassette or is it seller mistake? Can't find any other information online. : r/bikewrench
Shimano Sora ST-3300 / 3304 3 x 8 Road Triple Shifter Brake Levers | eBay