Model NO.
428, 420, 520 525
Type
Motorcycle Transmissions
Material
1045 Steel
Certification
ISO9001: 2000
Teeth
12t-17t
Thickness
7mm, 6mm
Surface
Zinc, Chrome Nickel, Black, Oil, Nacure Color
Heat Treatment
40-50HRC
Model
428, 420, 520
Mateial
C45 Steel
Trademark
OEM
Specification
OEM quality
Origin
China
HS Code
87141000
Surface finish: Knife marks or no knife marks or polished
Surface treatment: (corrosion protection; Decoration; Harness-improvingfunctionally)
Galvanization or zincification; Chrome plated; Nickel plated electrophoretic plating; Spray finishing
Heat treatment:
(Improve the hardness; Abrasive resistance; Intensity), High frequency heat treatment (45#steel), quenching/ carburization(A3 steel), Mesh-belt heat treatment
Packaging: (diversified)
1. Blister card;
2. Color plastic bag
3. Vacuum forming;
4. Poly bag;
5. Color box;
6. Carton and as per your requirement
MOQ: 1000 pieces /model
Main markets:
1. Eastern Asia
2. South Asia
3. Southeast Asia
4. Middle East
5. Africa
6. South America
Advantages:
1: Delicate appearance,
2: Durable in use,
3: High in quality
4: Competitive price
5: Wide in variety
6: Delivery in time
| model | gear sprocket teeth | front sprocket teeth | thickness |
| 428 | 30T-64T | 12T 13T 14T 15T 16T 17T | 7.0MM |
| 420 | 30-64T | 13T 14T 15T | 6.0MM |
| 520 | 30-56T | 13T 14T 15T 16T | 6.0MM |
