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AbsoluteBlack Hollowcage V2 Carbon Ceramic Oversized Derailleur Pulley Cage - Shimano Dura-Ace R9250
Sale price
$469.00
Regular price
$469.00
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SKU: TCRCAGEDA92/BK-BK Option: Black
Pickup available at RA Cycles Brooklyn
Pickup available at RA Cycles Walnut Creek
Stock Availability by Location
RA Cycles Brooklyn In stockLow stock (1 left)Low stock (2 left)— Out of stock— Not immediately available
105 5th Ave, Brooklyn, NY 11217718-636-5242
* Available for in-store pickup in 2-4 hours
* Available for in-store pickup in 2-4 hours
* Available for in-store pickup in 2-4 hours
RA Cycles Walnut Creek In stockLow stock (1 left)Low stock (2 left)— Out of stock— Not immediately available
2099 Mt Diablo Blvd, Walnut Creek, CA 94596925-433-7099
* Available for in-store pickup in 2-4 hours
* Available for in-store pickup in 2-4 hours
* Available for in-store pickup in 2-4 hours
Distribution Center - East In stockLow stock (1 left)Low stock (2 left)— Out of stock— Not immediately available
Distribution Center - Central In stockLow stock (1 left)Low stock (2 left)— Out of stock— Not immediately available
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AbsoluteBlack Hollowcage V2 Carbon Ceramic Oversized Derailleur Pulley Cage - Shimano Dura-Ace R9250
$469.00
AbsoluteBlack Hollowcage V2 Carbon Ceramic Oversized Derailleur Pulley Cage - Shimano Dura-Ace R9250 Info
The AbsoluteBlack HOLLOWcage V2 replaces the stock derailleur cage on a Shimano Dura-Ace R9250 groupset with a single-plate carbon-polymer design built specifically for 12-speed Di2. AbsoluteBlack molds the mono-plate from the same carbon-polymer matrix SRAM uses in its RED eTap AXS cage, and this V2 version carries a glossy finish that shows off the carbon weave rather than hiding it under a matte coat.
The cage runs on full ceramic bearings that AbsoluteBlack had independently certified through X-ray diffraction testing at Lucideon, a UKAS-accredited materials lab — a level of verification most oversized pulley brands don't bother with. Paired with the bearings is AbsoluteBlack's trademarked Xring Pulley, engineered specifically to cut down on the chain noise that oversized cages can sometimes amplify rather than reduce. At 66 grams, the complete cage is light enough that the swap barely registers on the scale, and it's built to work with cassettes up to 34T, which covers the range most Dura-Ace riders are already running.
Fit is specific: this cage is designed for Shimano Dura-Ace 9200 and 9250 12-speed derailleurs only, and installation is straightforward with the included lockring tool. AbsoluteBlack backs the cage with a 12-month warranty and offers it in five finishes — Black, Titanium, Gold, Red, and PVD Rainbow — so it's as much a styling upgrade as a mechanical one for a rider looking to dress up a top-tier Shimano build.
The RA Perspective
We like the HOLLOWcage V2 for riders who've already got a Dura-Ace R9250 build and want the derailleur cage to match the rest of the drivetrain's quality — quieter, lighter, and noticeably better finished than the stock cage. The independent ceramic bearing certification is a detail we don't see from most oversized pulley brands, and it's the kind of thing that separates a legitimate performance upgrade from a cosmetic one.
The noise reduction is real and it's the first thing riders notice after installation — a stock Dura-Ace cage has a certain amount of chain clatter under load that the Xring Pulley design meaningfully quiets down. Shifting feel stays crisp, which matters since a cage swap that hurts shift quality isn't worth the upgrade regardless of how good it looks.
The tradeoff here is specificity: this cage only fits Dura-Ace 9200/9250 derailleurs, so it's not a universal upgrade, and the 34T max cassette compatibility is worth double-checking against your current setup before ordering.
We'd point this at a Dura-Ace Di2 rider who wants a quieter, better-finished drivetrain and is comfortable paying a premium for a cage that's been engineered and tested to back up its claims — not just marketed on them.
PRICE MATCH GUARANTEE
We will price match against advertised or quoted prices from other authorized dealers of the product!