Support 3-13 speed. Able to attach to most derailleur systems. Plug and play. Just download the apps to set individual pull ratios. Able to compensate for the chinese cassette which failed in QC and had wrong spacing dimensions.
Comes with 2 batteries and unlike the older version, It is very stable and do not have dc issues.
Up to 4500 Shifts per chahrge.
Approx Weight with shifter: 165g
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