Shimano 105 R7000 Ultegra R8000 Rear Derailleur 11 Speed For Road Bike 11s Bicycle SS Short Cage GS Medium Cage Bike Accessories

The reviewer mentions the Shimano 105 short cage rear derailleur as part of their AliExpress bike build. They state that it was purchased along with the Shimano 105 front derailleur for a total of $100 Canadian. The reviewer does not provide extensive details about its performance but includes it as part of their overall build, which they are proud of and consider a good deal.