Specifications:
It is lightweight, high strength, precise and durable, light and smooth, easy to operate.
This thumb shift lever is made of durable materials, which can perfectly achieve the best performance, maximum safety and longevity.
Right shift lever is a trigger-type 7-speed shift lever with a joystick for downshifting and a thumb button for upshifting.
Left shift lever is the friction/ratcheting thumb lever for the third gear crank.
This product is suitable for mountain bike/city bike/recreational bike/road bike/folding bike.

Item Name: Speed Shifter
Material: Plastic
Caliber: 22.2mm
Number of Gears: Front 3 Gears + Rear 7 Gears = 21 Speeds (the Left is Fine-tuning without Numbers, the Right is Digital Positioning)
Features: Ergonomic, Shift Brake Lever, Durable
Diameter: 2.22cm/0.87" (Approx.)
Derailleur Size: 10cm x 7cm/3.94" x 2.76" (Approx.)

Notes:
Due to the light and screen setting difference, the item's color may be slightly different from the pictures.
Please allow slight dimension difference due to different manual measurement.

Package Includes:
1 x Left Speed Shifter
1 x Right Speed Shifter