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11-speed power lock
X-Glide² - improves shifting as well as chain retention
Gears: 12-speed
Product features - Locking Grips for Grip Shift
Gear Ratios: 10-12-14-16-18-21-24-28-32-36-42-50
Alivio 9-speed Shift-Brake Lever ST-M4050 right 11-speed power lockTechnologies 2 Way Release The RAPIDFIRE Plus shifter release lever is commonly called a trigger because it is operated like a pistol, by pulling toward the grip. The release lever of RAPIDFIRE Plus shifters from ALIVIO to XTR can be operated in this same manner but adds the ability to activate a release shift by pushing with the thumb. Rapidfire Plus Mountain bikers have used RAPIDFIRE Plus since 1985. RAPIDFIRE Plus is still a winning choice from a
