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Aluminum rear sprocket

Ref: 777109510XX68

The blue rear sprocket provides you with the following advantages:

  • Made of high-strength 7075-T6 aluminum, the strongest aluminum in the world
  • Originally developed for the aircraft industry and then adopted by the best rear sprocket manufacturers
  • Cleaner, straighter and smoother chain travel, because it is ground precisely flat to 0.002 mm
  • No vibration - therefore maximum efficiency of power transfer
  • All these features mean slow wear and extreme durability over the long-term
  • Anodized blue, with a permanent, organic environmentally friendly colorant

素材:
Aluminium

歯数:
42 teeth

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