• 8-Speed Gear System :Featuring an 8-speed gear system, this shifter offers smooth and precise shifting, enhancing your cycling experience.


• Aluminum Material :Crafted from high-quality aluminum, this rear derailleur is lightweight yet robust, providing optimal strength and longevity.


• Finger Dial Type :The finger dial type of this shifter provides easy and quick shifting, making your ride smoother and more efficient.


• Origin : Mainland China


• Compatible with Mountain Bikes :Designed specifically for 21S 24V mountain bikes, this shifter ensures seamless compatibility and optimal performance.


Note: This Ad's has severals selections, please choose the correct one inneed, thanks!


Shimano Altus M310


Model: Altus, M310

Color: Black

Speed: 8S, also for 7S

Teeth of freewheel: 34T max, 11T min

Weight: about 313g


SL-M315-L


-Light shifting operation, wider compatibility, and suitable for internal cable routing

-Slim main lever body

-RAPIDFIRE PLUS

-Streamlined cockpit experience

-Gear display positioned below the handlebar

-Numbered gear display indicates gear position at a glance

-OPTICAL GEAR DISPLAY


SL-M315-7R


-SHIMANO - RAPIDFIRE PLUS - Right Shift Lever - Clamp Band - 7-speed

-For reliable mountain bike shifting, SHIMANO's SL-M315 RAPIDFIRE shift lever is suited to quick shifting, giving riders the ability to downshift three gears in one stroke.

-Light shifting operation, wider compatibility, and suitable for internal cable routing

-Slim main lever body

-RAPIDFIRE PLUS

-Streamlined cockpit experience

-Gear display positioned below the handlebar

-Numbered gear display indicates gear position at a glance

-OPTICAL GEAR DISPLAY


SL-M315-8R


-SHIMANO - RAPIDFIRE PLUS - Right Shift Lever - Clamp Band - 8-speed

-For reliable mountain bike shifting, SHIMANO's SL-M315 RAPIDFIRE shift lever is suited to quick shifting, giving riders the ability to downshift three gears in one stroke.

-Light shifting operation, wider compatibility, and suitable for internal cable routing

-Slim main lever body

-RAPIDFIRE PLUS

-Streamlined cockpit experience

-Gear display positioned below the handlebar

-Numbered gear display indicates gear position at a glance

-OPTICAL GEAR DISPLAY