Shimano Dura Ace CS-R9100 Cassette - 11 Speed 11-30t Silver/Gray Color-Starburst Cyan Blue/Black The anti-drop design is wider

The anti-drop design is wider thicker and safer

Euro Bottom BracketHigh-quality four bearing design with aluminum cups

(mm) 24 Thickness 7

0mm 246mm J-bend Silver Box of 100

Shimano Stainless Derailleur Cables

Shimano Dura Ace CS-R9100 Cassette - 11 Speed 11-30t Silver/Gray Color-Starburst Cyan Blue/Black The anti-drop design is widerShimano Dura Ace CS R9100 Cassette 11 Speed 11 30t Silver Gray. Shimano Dura Ace CS R9100 11 Speed CassettesCFRP alloy spider arms and 5 titanium sprockets offer weight savings TECH SPECS Color Silver Gray Range 11 30 Cassette Cogs 11 12 13 14 15 17 19 21 24 27 30 Cassette Body Type Shimano SRAM 11 Speed Road Drivetrain Speeds 11 Defined Color Silver