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Description:
ULTRA-SHIFT DESIGN OF THE TEETH: Each tooth of the sprockets is designed and positioned to develop a specific function, such as the ascent or descent of the chain or the maximum transmission of power to the wheel.
ULTRA-SHIFT SYNC: the phased start of the sprockets allows to obtain maximum change performance without hesitation: speed, precision and stealth even under pressure.
REINFORCEMENT STRUCTURES FOR THE SECOND AND THIRD TRIPLET: greater rigidity of the sprocket assembly
Operating accuracy and less stress for the chain.
Surface treatment with Nickel-Chromium: reduces sprocket/chain frictions, prolongs the life of sprockets
Steel
Nickel-chrome finish
Lightweight alloy brackets for the last two groups of three sprockets
Synchronization 11s
Mechanization of 11s teeth
Nickel-chromium surface treatments
Lightweight Alloy Guide,
Thread 27x1
Weight 230g
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