I'm confused as to which are the new 2012 Avid World Cup calipers. Both images below are shown as the new 2012 WC model with the new HSX rotors but the calipers are different. One is magnesium and the other is aluminum.
The info and reviews around the web for the 2012 XX WC brakes all state that they are forged 2-piece magnesium, weigh 270g and look like this (banjo on front)...
BUT the SRAM/AVID website says they are Forged 2-piece Aluminum weigh 277g and look like this (notice shape of caliper, logo placement, banjo on back side of caliper)...
Also, the AVID 2012 tech notes say that the 2012 XX WC are Forged Aluminum while the 2011 model XX WC is magnesium...
I would really like to know which is the 2012 model as the caliper material will also dictate which pad material you can use. ie organic only for magnesium vs organic or metallic for Aluminum.
Is it safe to assume that the aluminum version from the AVID web and tech notes is the newest version even though it gained 7g of weight?
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Thread: Avid 2012 XX World Cup Calipers?