Does any body here is running these disc brakes? I want to run them but I am not sure if they will work with my bike. I have an '04 i-drive 3.0, It has Shimano XT M775 center locks hubs.
Magura Marta SL can be used with your GT. Do you have the 160/180 rotor combo?
if so, then you will need the following adaptor for the rear (magura #16). If you want to run 180mm at front w/ your current FOX Fork you will need the Magura #3.
-Hope this answers your question.
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