Shimano Acera SL-M390 3-speed shifter set 03002413

The Shimano Acera SL-M390-L is suitable for mountain, trekking, and city bikes equipped with triple front chainring systems. This model is an excellent choice for cyclists seeking reliable shifting, easy maintenance, and intuitive control in various conditions.

• Front derailleurs: Compatible with 3-speed front derailleurs from the Shimano Acera series, as well as other 3x Shimano systems supporting the same pull ratio.
• Brake systems: The product is a standalone left shifter and does not include a brake lever; it is compatible with any separate 22.2 mm handlebar brake levers.
• Drive systems: Designed for 3x9-speed configurations (3 front, 9 rear).

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• Product Installation: Place the shifter on the left side of the handlebar (22.2 mm) and tighten the clamp securely without exceeding the Shimano recommended torque. Make sure the lever is accessible and comfortable while riding.
• Use and Maintenance: Periodically check the cable for corrosion or kinks, especially during off-road riding.
• Keep the mechanism clean and lubricated for optimal shifting.

• Is a cable included in the kit?
  Yes, it includes an internal steel cable approximately 1800 mm long.
  
• Does the shifter work with 2-chainring systems?
  It can be installed, but it is optimized for 3 front gears.
  
• Is there an optical display?
  -Yes, the model features an Optical Gear Display to show the selected gear.