The Shimano Dura-Ace CN-7900 Bike Chain features new inner and outer plates for better tooth contact and smoother shipping. Hollow pins and perforated pins shave grams to keep your ride light.
New shaped outer plate
New designed both outer and inner plates for better contact with gear teeth.
Hollow pin
Perforated plate
Enhanced parts size around pin. Less flex to affect shifting by enhanced press-in method
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