Shimano Tiagra ST-4700, 2x10-Speed. Shimano Tiagra FD-4700. Shimano Tiagra RD-4700-GS, 10-Speed. CRANKSET (172.5mm). Shimano CS-HG500, 11-34T. I think the chain needs replaced, I had to use a chain breaker to remove it, so you will at least need a master link.
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