Shimano Ultegra 6700 Cassette 10 Spd 12-30t

• Lightweight 10-speed cassette with rigid alloy sprocket carrier for reduced weight and better shifting performance, even under the most demanding gear changes
• Hyperglide sprockets have been designed to reduce weight with improve teeth shaping providing accurate shifting and reduced wear
• Wide gear range to meet the demands of all types of rider
• 12-30t ratio
• 10 Speed 
• CS670010230