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.

Weight: 69g

Size: 12/18T

Colour: Lower lockring Black, Titanium, Red, Gold & PVD Rainbow

Compatibility: Sram eTap AXS Red & Force & Rival 12spd derailleurs. Works with 10-26T, 10-28T & 10-33T & 10-36T cassettes (check chain length calculation at the bottom). Not compatible with Sram XPLR and 11spd Red / Force. Works ONLY with AXS Flat Top chain. Do NOT mount any other chain.

Materials used: Carbon fiber-polymer matrix, 7075 Aluminium, rubber, ceramics

In the box: Complete cage, lockring tool, special tool, 2x spare xring rubbers.

How to mount HOLLOWcage® for eTap AXS Red & Force 12spd derailleurs , please refer to this video and dowload the installation instructions.  Works ONLY with AXS Flat Top chain. Do NOT mount any other chain.  The upper pulley teeth have been optimised to work with this chain only.