SRAM Red eTap Blip Shift Buttons with 150mm Wires Black, PairThe Blip is SRAM's multi purpose shift controller for the eTAP wireless shifting groupset. Be it the fireworks of a finale, an ideal rhythm, climbing on the top, or a deep, dark place extracting the last kilojoule of effort on your bike split, you want to adjust your gear with the twitch of a finger. eTap Blip satellite shifters allow you to shift when you want, where you want. 16g (per pair)