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Motorcycle transmission gear CB 110 WITH RING – 428-42T (1045)

Short Description:

The motorcycle sprocket is divided into front sprocket and rear sprocket. As the transmission device of the motorcycle, it is used to drive the rear sprockets of the motorcycle through the chain.

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Motorcycle transmission gear

The motorcycle sprocket is a consumable and needs to be replaced regularly. The 1023 can be used for 15000-20000km, while the 1045 for 20000-30000km. In particular, the sprocket after heat treatment has higher hardness and longer service life.
Analysis of the 1045(S45C) material:

C Si Mn Cr Ni Cu
0.42~0.50 0.17~0.37 0.50~0.80 ≤0.25 ≤0.30 ≤0.25

Hardness after quenching: 55-60HRC.

Heat treatment: only 1045 materials can be subject to heat treatment for the purpose of making the sprocket harder and more durable. There are two common ways of heat treatment, one is high-frequency heat treatment only for the teeth, and the other is quenching heat treatment for the whole sprocket.

Motorcycle transmission gear1
Motorcycle transmission gear2
Motorcycle transmission gear3


Material 1045
Model 428
Teeth 42T
Innner hole diameter 76mm
Root diameter 161.4mm
Out diameter 174.5mm
Thickness 6-7mm
Surface Galvanized or coated
Heat treatment High frequency quenching

Logo, mark and package.
Customization as your requirement.
 Run Kilometrage: 25000 kilometers
● Hardness: 40-50HRC
● Surface Treatment: self finish, zincing, electrophoresis, chroming, nickling, sandblasting, oxidation etc.
● Sale Methods: manufacture, OEM service.
● Lead Time: more than 15 days, accorging to your quantity and other requirements.

Due to our sincerity in offering best service to our clients, understanding of your needs and overriding sense of responsibility toward filling ordering requirements, we have obtained the trust of buyers worldwide. Having accumulated precious experience in cooperating with foreign customers, our products are selling well in the American, European, South American and Asian markets.Our products are manufactured by modern computerized machinery and equipment. Meanwhile, our products are m nufactured according to high quality standards, and complying with the international advanced standard criteria.

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