Inner Gear:
1. Low backlash.
2. Better NVH.
3. Easy to assemble.
4. Material: Alloy steel, Stainless steel, Aluminum

Plastic Gear:
1. Material: POM, MC, PEEK, … etc.
2. Injection molding or CNC machining.
3. Good NVH performance.
4. Light weight.

Output Gear:
1. High accuracy: DIN 6
2, Profile/lead Modification.
3. Material: Alloy steel, Stainless steel, Aluminum

BB Shaft for E-bike Crank Set:
High strength, High quality.
1. General Parts, but customizable.
2. Durability test: at least 50,000 times
3. Special Surface Treatment.
4. Sensor tube can be installed on this shaft
5. Material: Alloy steel, Stainless steel, Aluminum

Inner Gear:
1. Low backlash.
2. Better NVH.
3. Easy to assemble.
4. Material: Alloy steel, Stainless steel, Aluminum

Plastic Gear:
1. Material: POM, MC, PEEK, … etc.
2. Injection molding or CNC machining.
3. Good NVH performance.
4. Light weight.

Output Gear:
1. High accuracy: DIN 6
2, Profile/lead Modification.
3. Material: Alloy steel, Stainless steel, Aluminum