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7-speed, 8-speed, 9-speed, 10-speed, and 11-speed road manual change, compatible with ltwoo and the corresponding level of 7-speed, 8-speed, 9-speed and 10-speed front and rear derailleur in West Ma Road
Speed: 7-speed, 8-speed, 9-speed, 10-speed, 11-speed road manual change (no cockroach beard, go inside, with half gear, separate back gear bit, two-way control gear shift is smoother and the principle of the cp system)
Material: high-strength aluminum alloy and engineering plastics
Weight: about 470g/pair
Colour: Black)
Variable speed pipeline: single-pole