420 9T Sprocket: 420 type 9T electric bike gear motor sprocket, used for e-bike repairing or electric bicycle modification.
Precise Machining: Motor sprocket inner hole size: 12x17mm/0.5×0.7in, precise machining, perfectly fit.
High Strength Metal: High-quality materials, good performance. High toughness and durable, long service life.
Easy to Install: Easy to use, stable performance, easy to install and remove, provide good usage experience.
What You Get: 1 x Speed Cut Motor Sprocket, please feel free to contact us if you have any question.We are committed to providing you with better products and services. Product Description
Feature:
1. Toughness and durable, long service life.
2. High-quality materials, good performance.
3. Easy to use, stable performance, simple operation.
4. Easy to install and remove, provide good usage experience.
5. Professional manufacturing, stable performance and high reliability.
Specification:
Condition: 100% Brand New 
Item Type: Speed Cut Motor Sprocket 
Material: metal 
Color: As picture shown 
Weight: Approx. 30g 
Inner hole size: Approx. 12x17mm/0.5×0.7in
Package List:
1 x  Speed Cut Motor Sprocket