Amazon.com: SENSAH STI Road Bike Shifters Double 2×7/2×8/2×9/2×11 Speed Lever Brake Bicycle Derailleur Groupset Compatible for Shimano Claris Sora (2*10 PHI(compatible4600/5700/6700)) : Sports & Outdoors
Amazon.com : Tongli 10 Speed/9 Speed Bike Chain - 116 Links - 1/2 x 11/128 Inch - Compatible with Shimano/KMC/Campagnolo/SRAM for Road & Mountain Bike : Sports & Outdoors