SW-RS801-T

Brand: Shimano

Satellite switch of 12-speed Di2, long-cable version, sold as a pair and fitted on the tops of the bar — the climbing position. It mounts with a clamp and rubber sheet over the bar tape, where the SW-RS801-S is taped underneath in the drops. It plugs into the dedicated satellite port of 12-speed levers, absent from the ST-R7170. Shimano quotes 11.8 g per pair.