Shimano Altus SL-M315-7R Rapidfire Plus Shifter - 7 Speed | Right

Shimano Altus SL-M315-7R 7-Speed Right Rapidfire Plus Shifter Shimano

Shimano Altus SL-M315-7R Rapidfire Plus Shifter - 7 Speed | Right

Shimano Altus SL-M315-7R Rapidfire Plus Shifter - 7 Speed | Right

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What Is the Shimano Altus SL-M315-7R Rapidfire Plus Shifter?

The Shimano Altus SL-M315-7R is a 7-speed Rapidfire Plus right trigger shifter for flat-bar MTB and hybrid drivetrains, sold as a right-side unit for rear derailleur control. Rapidfire Plus uses a two-lever trigger system where the index finger pulls the release lever for upshifts and the thumb pushes the main lever for downshifts, allowing up to three gears in a single thumb stroke without repositioning the hand. This gives more precise, confident gear selection than twist shifters, especially on technical terrain. The built-in optical gear display shows the current rear gear position at a glance without needing to count clicks.

Compatible with Shimano Altus and other 7-speed rear drivetrains. Right side only. A separate left-side shifter is needed for front derailleur control. Cable not included. Flat bar mount.

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Specifications

  • Model: SL-M315-7R
  • Type: Rapidfire Plus trigger shifter
  • Side: Right only (rear derailleur)
  • Speed: 7-speed
  • Display: Optical gear indicator
  • Groupset: Shimano Altus
  • Bar Type: Flat bar
  • Cable: Not included
  • Compatible: Shimano 7-speed rear drivetrains

FAQ

What is the difference between Rapidfire Plus and a twist shifter?

Rapidfire Plus uses two thumb and finger levers for precise, deliberate gear changes with tactile feedback. Twist shifters rotate the grip to shift. Rapidfire Plus is generally preferred for technical riding where hand position matters, while twist shifters suit relaxed commuting setups.

Does the SL-M315-7R include a left-side front shifter?

No. This is a right-side only unit. A separate left-side shifter must be sourced for front derailleur control on 2x or 3x drivetrains.

Is the SL-M315-7R compatible with non-Altus 7-speed Shimano derailleurs?

Yes. Shimano 7-speed cable pull is consistent across the range, so the SL-M315-7R works with any Shimano 7-speed rear derailleur including Tourney, Acera, and Alivio-tier components.

Best For

MTB and hybrid riders on 7-speed Shimano flat-bar drivetrains who want accurate Rapidfire Plus trigger shifting with optical gear display for dependable everyday and trail performance.

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