New SRAM PowerdomeX WiFLi cassettes launched

Lightweight, noise cancelling 11-30 and 11-32 cassettes to aid climbing

SRAM has added new cassettes to its growing range of climb-assist WiFLi transmission technology –11-32 and 11-30 PowerdomeX clusters, costing $374/£284. 

The new cassette – comprising a single piece of machined steel for the main nine-sprocket cluster allied to the two low-range aluminium rings will be compatible with the company’s mid-cage SRAM RED 22 and Force rear derailleurs. SRAM claims the PowerdomeX clusters are lighter than titanium clusters at claimed 185g (11-30) and 196g (11-32).

The Chicago-based components maker says the PowerdomeX is “deadly silent” thanks to elastomer inserts between sprockets – which SRAM has dubbed the StealthRing system.

The system has already been put to use in the professional peloton. Alberto Contador (Tinkoff-Saxo) has used WiFLi for a couple of seasons now and won the Vuelta-Espana in 2012 and just this year in Tirreno-Adriatico. 

The PowerdomeX cassettes will be available from June and July.

This article was published by BikeRadar, the world's leading source of bike reviews, gear reviews, riding advice and route information
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