Introducing the AbsoluteBlack Hollowcage for Sram AXS e-Tap.
Our revolutionary OSPW single plate is the quietest and most efficient oversized derailleur hanger for AXS e-Tap created to date. The HOLLOWcage OSPW has a carbon-polymer single plate construction with oversized ceramic bearings and the quietest pulleys ever made.
Sram's eTap AXS is known to be louder than other transmissions. Our HOLLOWcage® with silent "Xring Pulley™" completely eliminates this problem, allowing you to fully enjoy the ride.
Weight : 69 g
Lower ring color : Gold
Compatibility : Sram eTap AXS Red & Force 12S derailleurs.
Works with 10-28T & 10-33T & 10-36T cassettes (check chain length calculation below).
Not compatible with Sram XPLR and 11S Red / Force derailleurs.
Works ONLY with AXS Flat Top chain.
Designed in England. Made in the EU
Suitable for cassettes up to 34T.
Materials used : Carbon fibre-polymer matrix, Aluminium 7075, Rubber, Ceramic.
Box includes : Complete cage, locking ring tool, 2 spare ring rubbers, 14 ml GRAPHEN lubricant.
WHY IS THE HOLLOWCAGE SO SPECIAL?
Super quiet : more than 12-14 dB noise reduction compared to the original Sram screed, a noise reduction of about 60%.
Shifting is as good as with the original Sram screed. HOLLOWcage® uses very high top pulley teeth, which gives the best possible shifting precision.
It is more aerodynamic than the original screed and other oversized cages.
It saves more watts than other clevises.
One of the lightest oversize screed on the market.
First single plate construction of its kind.
Special rubber xring slings dampen the impact of the chain on the tensioner teeth, thus eliminating engagement noise.
HOLLOWcage, unlike other pulley cage systems, uses all-ceramic, custom-made, abnormally large bearings that make the pulleys incredibly stiff. The bottom bearing alone is actually large enough to hold a 12D pulley.
The bearing rings are made from 100% zirconium oxide ceramic and the balls from silicon nitride ceramic. The screed and seals are of course made of low friction polymer.
The adjustable spring tension allows you to adjust the cassette size and chain length to find the lowest possible tension.
HOW TO FIT THE HOLLOWCAGE :
Wrap the chain around the largest cassette sprocket and the largest front chainring, omitting the derailleur screed completely. Keeping the chain under tension, pull the ends so that they touch. Depending on the drivetrain, you will need to add the following to the basic length :
*Two extra links for the 10-28T and 10-33T cassettes in the 2X scenario.
*Two extra links for the 10-36T cassette in the 2X scenario.
*Four additional links for the 10-33 or 10-36T cassettes in scenario 1X.
*Four extra links in the 2X scenario only if you upgrade from 10-33 to 10-36T cassette (e.g. when your bike is delivered with 10-33T but you upgrade to 10-36T).
There is a 4 years warranty on the bearings.
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