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The Dual is small enough to nestle under a seat without scraping against your thigh
• Improves shifting performance
Made with premium ingredients including menthol and witch hazel
construction
Dividers keep wheels separated from frame
Shimano Dura-Ace CS-9100 11-Speed 11-28t Cassette Nutrition The Dual is small enoughGear combination: 11 25T, 11 28T, 11 30T (New gear combination), 12 25T, 12 28T Closer gear combination: 11 25T 12 25T CFRP & Alloy spider arm, 5 titanium sprockets Wider gear combination: 11 28T 12 28T 11 30T (new gear combination) Rider tuned gearing Lightweight SERIES Dura Ace GENERATION Dura Ace R9100 NUMBER OF SPEEDS 11 CASSETTE OR FREEWHEEL Cassette FINISH Anodized