Place of Origin:
CHINA
Brand Name:
Aldrich/Sakiwa/OEM/ODM
Certification:
CCC, ISO 9001, CCC
Model Number:
Rear Sprocket 42T for Discover
A sprocket or sprocket-wheel is a profiled wheel with teeth, or cogs, that mesh with a chain, track, or other perforated or indented material. The name 'sprocket’ applies generally to any wheel upon which radial projections engage a chain passing over it. It is distinguished from a gear in that sprockets do not mesh directly with other gears.
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