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Description
- aluminum alloy: Made of high quality aluminum alloy, durable and practical. High quality aluminum alloy material, high strength, good toughness and durability. Made of aluminum alloy material, high hardness and strong durability.
- chain wheel: Wonderful accessory for bike chain wheel. This chain wheel is made of aluminum alloy, light weight and does not increase strength. This bike chain wheel is made of aluminum alloy, with perfect hardness and long service life.
