Feature:
1. The flywheel is made of high tensile steel plate, which is sturdy and durable after quenching process and tempering hardening treatment.
2. Multilayer electroplating anti rust and tooth loss design, speed change is more sensitive and smooth.
3. The shifter adopts 12 speed 1:1 technology to improve accuracy and response speed.
4. All aluminum shift lever and the coated stainless steel wire which is 2050mm / 80.7in in length are very convenient to use.
5. 12 speed leg extended and directly mounted rear derailleur adopts a shadow rear derailleur design with an enlarged bearing guide wheel, which is compatible with up to 52T flywheels.

Specification:
Item Type: Mountain Bike 12 Speed Groupset
Product Color: As Pictures Shown
Product Weight: Approx. 1890g / 66.7oz
Flywheel Parameters:
Specifications: 12 Speed Mountain Bike Cassette Flywheel
Material: High Tensile Steel Plate + Aluminum Frame
Number of Teeth: 11-46T
Gear Ratio: 11-13-15-17-19-21-24-28-32-36-40-46T
Color: Silver
Transmission Parameters:
Specifications: Mountain Bike 12 Speed Transmission
Material: Aluminum Alloy
Shifter: 12 speed 1:1 technology to improve accuracy and response speed, all aluminum lever, coated stainless steel wire (2050mm / 80.7in in length)
Rear Derailleur: 12 Speed extended leg directly mounted rear derailleur, shadow rear derailleur design, enlarged bearing guide wheel, maximum compatibility with 52T flywheel
Chain Parameters:
Specifications: PYC 12 Speed Chain
Size: 1/2 inch x 11/128 inch

Package List:
1 x Flywheel1 x Shifter
1 x Rear Derailleur
1 x Chain
2 x Chain Link

Note:
After the installation is complete, check whether the flywheel is locked and whether it is aligned.