Bike Front Derailleur，FOMTOR Universal 31.8mm and 34.9mm 2Speed-11Speed 46-52T Aluminum Alloy Bicycle Derailleurs, Bicycle Parts, Bicycle Accessories for MTB Mountain Bike BMX Road Bikes (Black)

The FOMTOR Front Bike Derailleur is a versatile and high-quality component that will take your riding experience to the next level.

With its ability to accommodate 16, 21, 28, 31.8mm, and 34.9mm chain sizes, this derailleur is suitable for various types of bikes, including MTB, BMX, e-bikes, folding bikes, road bikes, and mountain bikes.

Its lightweight design (only 127g) makes it easy to install and use, while its durable construction ensures a longer service life.

The derailleur features two speeds with 11 gear options, providing accurate power transmission and sensitive speed changes.

Additionally, the product comes with a one-year warranty, giving you peace of mind when purchasing.

With its universal compatibility and high-quality construction, the FOMTOR Front Bike Derailleur is an excellent choice for any serious cyclist looking to upgrade their bike's performance.