AbsoluteBlack Hollowcage Screed for Shimano Ultegra 8150 12 S Rainbow

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€399.00

	Serenity Pack	Comfort Pack
Express delivery
Bike assembled 100%⁽¹⁾
Fast-track access to our experts	1 year	3 months
Free marking	~~€19.99~~	~~€19.99~~
Bike maintenance at Alltricks stores	3 "gold" maintenances ⁽²⁾ ~~€285~~	1 "bronze" maintenance ⁽³⁾ ~~€50~~
Additional labor (2h) ⁽²⁾	~~€138~~

(1) Bike fully assembled, checked, and adjusted by our expert mechanics. To reduce the environmental impact of transport, we have removed the front wheel and pedals from your bike. The box used is therefore lighter and less bulky. All you have to do is reassemble them and enjoy your new bike. We recommend adjusting the saddle height, tire pressure, and suspensions according to your preferences.

(2) Within 2 years of bike purchase.

(3) Within 3 months of bike purchase. The services are valid only in one of our Alltricks stores. Details of the available maintenance services can be found at: www.alltricks.fr/surl/l-atelier

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€399.00

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Description

Introducing the AbsoluteBlack Hollowcage Screed for Shimano Ultegra 8150.

Our revolutionary OSPW mono-plate design is the quietest, most efficient and most aerodynamic derailleur cage created to date. It's the dawn of a new era for rear derailleurs. The HOLLOWcage ® OSPW derailleur clevis has a carbon-polymer mono-plate construction with oversized ceramic bearings and the quietest pulleys ever created.

Details :

Weight : 71 g
Bottom ring color : Rainbow
Compatibility : Shimano Ultegra 8150
Designed in England. Made in the EU
Suitable for cassettes up to 34T.
Materials used : Carbon fiber-polymer matrix, Aluminum 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 : over 5 to 7 dB noise reduction compared to the original Ultegra screed, a noise reduction of about 40%.
The gear change is as good as with the original Ultegra. 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 screed.
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 screed cage systems, uses all-ceramic, custom-made, abnormally large bearings that make the screed incredibly stiff. The bottom bearing alone is actually large enough to hold an 12D pulley.
The bearing rings are made from 100% zirconium oxide ceramic and the balls from silicon nitride ceramic. The cage 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 MOUNT THE HOLLOWCAGE :

You should mount the screed with the lowest spring tension setting (first hole from the left). If you are using an 11-34T cassette in combination with 52/36T or larger chainrings, you may need to mount the screed with a medium spring tension setting (middle hole) to allow for chain growth, but only if the first position produces a loose chain in the smallest ratio.
There is a 4 years warranty on the bearings.