Shimano part numbers: 52T-NH - Y0RS98070; matches 36T-NH - Y0RS9802T; 50T-NK - Y0RS98010; matches 34T - Y0RS9801T. Compatible chain Shimano HG 12-speed. We suggest only trying shoes on carpet so no marks will be applied to the shoes.
Shimano 105 R7070 105 10 11-speed rear disc hub Centre-Lock 142 x 12 mm 32h hole
SHIMANO PL/BI 105 FCR7100 172.5 50-34 12V S/C
Shimano 105 Shimano CS-HG700 105 11-Speed Road Bike Cassette - 11-34T
Shimano 105 CS-R7000 105 11-speed cassette, 12-25T
SHIMANO 105 ST-R7000 105 Double Mechanical 11-Speed STI levers, Pair, Black
NT-BP036 Disc Brake Pads compatible with Shimano 105 BR R7070 105 BR RS505 RS305
