11-28D

• 11-speed Super Fluid Drive wide-range road cassette• Steel cogs (the three largest are mounted on an aluminum spider) • Only compatible with 11-speed HG/splined road cassette bodies and long-cage derailleurs • Finish: champagne• Weight: 332 g

Ultegra The 5 largest cogs are mounted on 2 aluminum and composite spiders Lightweight and high performance Aluminum locknut Fini plaqué nickel Compatible with 10- and 11-speed cassette bodies (for 11-speed, use a 1.85 mm spacer)  Other sizes are only compatible with 11-speed road hubs

Gear range suitable for all riders Léger Crosspieces in alloy & reinforced carbon-polymer fiber, 5 titanium sprockets

Power Glide Technology Heat-treated steel Compatibilité: PC-1170, PC-1190R, et autres chaînes 11 vit.