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))
Amazon.com : SHIMANO Ultegra CS-6700 Cassette 10 Speed, 11x23 : Bike Cassettes And Freewheels : Sports & Outdoors