The Shimano Tiagra ST-4600 groupset is a reliable 10-speed road bike component series released in 2011, renowned for bringing high-end, 105-level shifting and ergonomic hood shapes to entry-level and mid-range road bikes. It is widely celebrated for its durability and excellent value. Chainset: 50/34Teeth. Condition: very good, with some signs of wear. Fully functioning.
