
Vision Metron Features
The Metron uses a TT-brake-style lever to pull in cable, downshifting the rear derailleur or upshifting the front. To release cable, the entire head of the shifter is pushed backwards with the thumb with an easy click.- The Metron uses a TT-brake-style lever to pull in cable, downshifting the rear derailleur or upshifting the front. To release cable, the entire head of the shifter is pushed backwards with the thumb with an easy click.