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FREE Delivery on orders over $300
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It is super silent (over 12dB noise reduction vs stock).
The shifting is as good as with the original Dura Ace cage.
It’s more aero than the OEM cage and other oversized cages.
It saves more watts than other cages
One of the lightest oversized cages on the market.
First mono plate construction of it
(only Hong Kong) free shipping on orders over HKD$300 on order
(outside Hong Kong) free shipping on orders over USD$300 on selected categories
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HOLLOWcage® for Shimano Dura ace 9200/ Ultegra 8100 12spd. Our revolutionary mono-plate OSPW design is the quietest and best shifting, oversized derailleur cage for Shimano 12spd created to date. HOLLOWcage ® OSPW has a carbon-polymer mono-plate construction with bespoke, oversized, full ceramic bearings and the most advanced silencing pulleys ever made.
Size (Mass +/-1g): 71g
Color Lower lockring: PVD Rainbow, Black, Titanium, Red, Gold ; Upper lockring: Black
Compatibility: Shimano Dura Ace 9250 12spd ONLY. Fits up to 34T cassette.
Materials used: Carbon fiber-polymer matrix, 7075 Aluminium, rubber, ceramics
In the box Complete cage, lockring tool, 2x spare xring rubbers
Size (Mass +/-1g): 71g
Color Lower lockring: PVD Rainbow, Black, Titanium, Red, Gold ; Upper lockring: Black
Compatibility: Shimano Ultegra 8150 12spd ONLY. Fits up to 34T cassette.
Materials used: Carbon fiber-polymer matrix, 7075 Aluminium, rubber, ceramics
In the box Complete cage, lockring tool, 2x spare xring rubbers