• 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