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absoluteBlack Carbon Hollowcage SRAM AXS Road


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HOLLOWcage® for eTap AXS Red & Force 12spd derailleurs finally makes your AXS drivetrain whisper quiet. Our revolutionary mono-plate oversized pulley wheel (in short OSPW) is the quietest and best shifting oversized derailleur cage for eTap AXS 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.

Sram eTap AXS is known to be louder than other drivetrains. Our HOLLOWcage® with Silent " Xring Pulley™ " completely eliminates this problem allowing you to enjoy the ride.

Size (Mass +/-1g):



Lower lockring: PVD Rainbow, Black, Titanium, Red, Gold ; Upper lockring: Black


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