Shimano Dura Ace 7900 Cassette

Product Description

Shimano Dura Ace 7900 Cassette

Featuring four titanium cogs, the new Dura-Ace 7900 cogset has further improved shifting quality by creating a more rigid aluminum carrier unit along with a re-engineered tooth profile. Shimano also successfully reduced the weight of the rear wheel assembly by 10 grams.

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