Crank Type
Splined
Use
Mountain Bikes, Road Bicycles
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The bicycle uses a chain with a chain ring as the transmission system. This system adopts a multi-speed and positioning transmission system.
In the process of shifting gears and quickly completing gear shifts, some positioning and shifting features need to be designed on the chain ring.
Technology to meet the complex functional requirements of the product.
Part Name | Front -chain wheel |
Size/Teeth | Ø152 X 20 mm / 38T |
Material : | SAE 1513 |
Part Name | Front -chain wheel |
Size/Teeth | Ø147 X 2.8mm / 35T |
Material : | AL 7075 |
Part Name | Rear-chain wheel |
Size/Teeth | Ø 170.9 X 1.8 mm/42T |
Material: | SAE 1513 |
Surface treatment-hard anodizing