Removing crank arms...

englishmx

Hi, apologies for the remedial question, trying to get the crank arms off to change my chain rings, what tool do I need to remove the crank arms? This is my chain wheel setup...

http://techdocs.shimano.com/media/techd ... 637966.pdf

Thanks in advance

arthur_scrimshaw

like this

http://www.chainreactioncycles.com/Mode ... elID=10181

englishmx

Thanks Arthur, crank arms now removed