The bike I currently have is a 2012 GT Karakoram 3.0 - its a 29er and it has excellent disc brakes. They go for about R5000 new and I can highly recommend them. I have done 2000km on mine and it has never let me down. The triple-triangle-design does help a bit as this bike feels a lot more stable on rocky downhills than my previous bike felt. SR Suntour XCM is a pretty good shock, mine is still working like new.
Complete specs on the bike is here :
http://www.gtbicycles.com/2012/bikes...-karakoram-3-0
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