Precision Performance: Experience smooth and reliable gear shifting with the SX Finger-Shift Mountain Bike 12-Speed system, designed for optimal performance during your rides. Durable Construction: Crafted from high-quality materials, the SX Finger-Shift Combination Bicycle Riding Rear Derailleur ensures longevity and withstands the rigors of mountain biking. Easy Installation: The user-friendly design of the SX Finger-Shift Transmission Set allows for straightforward installation, making it an ideal choice for both novice and seasoned cyclists. Enhanced Control: Enjoy enhanced control over your bike's performance with the innovative deadlock feature, providing stability during intense rides on challenging terrains. Versatile Compatibility: This SX Finger-Shift Mountain Bike 12-Speed setup seamlessly integrates with various bike models, ensuring a versatile solution for all cycling enthusiasts. Colour:black Material:Aluminum Alloy Package Contents: 1 * shifter 1 * Rear Derailleur Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.