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Note to our Great Customers: 
Update on our Shopping Center: 7 Mile Cycles is not being torn down, moving or closing its doors! Two new buildings are going to built in the same center that we are in and we will be moving into an all new space sometime in 2025!
We are very excited to see this project come together and look forward to our ALL NEW store at the corner of Higgins & Arlington Heights Road!
Click here to see the proposed development!
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absoluteBLACK absoluteBLACK HOLLOWcage Oversized Derailleur Pulley Cage - For Shimano Ultegra 8150, Full Ceramic Bearings, Carbon Cage, Black

absoluteBLACK absoluteBLACK HOLLOWcage Oversized Derailleur Pulley Cage - For Shimano Ultegra 8150, Full Ceramic Bearings, Carbon Cage, Black
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Details

The absoluteBLACK's HOLLOWcage® for Shimano Ultegra 8150 12-speed derailleurs makes the 8150 drivetrain whisper quiet. It features a carbon-polymer mono-plate construction with bespoke, oversized, full ceramic bearings and one of the most advanced silencing pulleys ever made.

- Designed for use with Shimano Ultegra 8150 drivetrains
- Fits up to a 34t cassette
- The Silent Xring Pulley dampens the chain impact on the guide pulley teeth, eliminating the engagement noise
- Incredibly silent (over 5-7dB noise reduction vs stock)
- HOLLOWcage uses full ceramic bearings (Silicon Nitride ceramic balls and Zirconia Oxide ceramic races) that make the guide pulleys incredibly stiff for greater shifting precision
- One of the lightest oversized cages on the market (71g)

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