Sram XO problem

chippiechappie20
chippiechappie20 Posts: 24
edited March 2014 in MTB workshop & tech
Hi, Can anybody help me I have a canyon nerve CF 9.0 it has got Sram XO breaks. After a very muddy ride towards the end of last year I got home after dark and there was only time to rinse the mud off with the hose pipe.

I cleaned the bike as soon as I got chance a few days later. I washed it and oiled it and put it up for the winter. When I came to go out on it today because of a fine weekend being forecast. I got on it only to find the back wheel was not :( spinning freely. I took the wheel off and removed the pads I pushed back the pistons and replaced the wheel I then pumped the lever a few times but it was still the same. Are the pistons stuck? How can I fix this or is it a bike shop job? I would be very grateful if anyone could help me.

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