GUB CS13 Mountain Bike Flywheel Mountain Bike Flywheel Cassette Sprocket 13 Speed Mountain Bike Replacement Accessory

• The hollow design makes it drain and convenient for heat dissipation

• High precision tooth design of the gear piece prevents the chain from falling off

• The flywheel is anti-rust, non-deformation and wear-resistant, which makes it used for a long time

• Made of high-quality steel and aluminum material, it is durable

• The length of the product is 20cm, the width is 20cm, and the thickness is 5cm

• It is suitable for mountain bikes, folding bikes, road bikes and so on

Specification:

• Material: steel, aluminum 

• Speed: 13 

• Speed Teeth Number: 11T-46T 

• Gear Ratio: 11-13-15-17-19-21-23-26-28-32-36-42-50T 

• Size: 20cm x 20cm x 5cm/7.87" x 7.87" x 1.97" (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 measurements.