The mechanism is similar to ‘double tap’ from another brand, but the shifters aren’t identical to those—There aren’t multiple lever paddles, there is elegantly only the one lever that
Product Features Video ====https://www.youtube.com/watch?v=9UAKyFefsBA 1:1 TECHNOLOGY to get fast and accurate shifts ALL AL design makes the Rear Derailleur Lighter and Stronger Middle-cage design for 11-28T cassette Invented THREE-IN-ONE
