Der Part Absoluteblack Hollowcage 9100/9150/8000/8050 Bk

• Carbon-polymer mono-plate construction with bespoke, oversized, full ceramic bearings and the most advanced silencing pulleys ever created
• Compatible with Shimano Dura Ace 9100 / 9150 / 9170 , Ultegra 8000 / 8050. Fits up to 32T cassette
• Proprietart pulley design is able to reduce the sound level by 12-14dB when compared to stock Dura Ace pulleys
• Mono-plate cage dynamically reacts to chain angle for reduced friction and lost watts
• Complete cage, lockring tool, 2x spare xring rubbers
• One of the lightest oversized cages on the market

Specifications:

• Model:
• Speed:
• Max:
• Wrap:
• Cage/Mount:
• Ratio:
• Color:Black
• Wgt:
• Compatibility:Shi 9100/9150/800/8050
• Swing:
• Fit