Shimano Ultegra RD-R8150 12-Speed Rear Derailleur Rope All-Condition Adaptability: Add-on Modular Flotation

All-Condition Adaptability: Add-on Modular Flotation tails allow you the maneuverability of a smaller

5"–56" (67

Spending a full day under the sun requires stepping up your sun coverage

Like the original

Shimano Ultegra RD-R8150 12-Speed Rear Derailleur Rope All-Condition Adaptability: Add-on Modular FlotationThe Fastest Ultegra Shifting To Date Shimano Ultegra RD R8150 12 Speed Rear Derailleur is more versatile than ever thanks to a single cage length option compatible with 11 28, 11 30, and 11 34 cassettes. It also packs the fastest, most precise shifting out there into a more affordable option. This rear derailleur is updated with Shadow technology. Shadow tech is made with a low profile design and single tension construction, so the derailleur does not