The New Era of Silent Oversized Derailleur Pulley Cages is Here.
Meet Carbon - Ceramic HOLLOWcage ®
For nearly seven decades, rear derailleur cage has not really changed much. Same old fashioned two-plate construction with very small bearings in the middle of the plastic pulleys, held together by two bolts.
HOLLOWcage ® changes everything. Our revolutionary mono-plate design is the quietest, best shifting, aerodynamic cage design created to date. It is a dawn of new era for rear derailleurs.
Our HOLLOWcage ® has a carbon-polymer mono-plate construction with bespoke, oversized, full ceramic bearings and the most advanced silencing pulleys ever created.
It is offered in 5 different lower lockring color options: black, gold, red, titanium and pvd rainbow. The upper lockring and cage color is black only.
HOLLOWcage® for eTap AXS Red & Force 12spd derailleurs. Our revolutionary mono-plate OSPW is the quietest and best shifting oversized derailleur cage design created to date for eTap AXS. Your eTap drivetrain will finally become silent. HOLLOWcage ® OSPW has a carbon-polymer mono-plate construction with bespoke, oversized, full ceramic bearings and the most advanced silencing pulleys ever created.
WHY IS OUR HOLLOWCAGE® SO SPECIAL?
Sram eTap AXS is known to be louder than other drivetrains. Our HOLLOWcage® with patent pending Silent Xring Pulley completely eliminates this problem allowing you to finally enjoy the ride.
Colour: Lower lockring Black, Titanium, Red, Gold & PVD Rainbow
Compatibility: Sram Red & Force eTap AXS Road 12sp . Fits up to 36T cassette. Not suitable for XLPR derailleurs.
Materials used: Carbon fiber-polymer matrix, 7075 Aluminium, rubber, ceramics
In the box: Complete cage, lockring tool, 2x spare xring rubbers.
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