Amazon.com : SHIMANO 105 5600-L caliper brake, black - Rear : Bike Rim Brake Sets : Sports & Outdoors
Shimano 105 10-Speed STI Shifters: ST-5600 Triple or Double (New take-off) - Bike Recyclery
Shimano 105 St-5600 2x10 Speed Sti Road Bike Shifter Set 5600 Shifters Left Right Double 10 Speed Shifter Pair With Shift Cables - Bicycle Derailleur - AliExpress