Originally Posted by
Muffin Man
the fixing screw keeps loosening on my nds crank arm every day or two. thats not normal is it? its a truvativ elita? crank, gxp, and every time i notice the play in the cranks, i tighten it back to the torque recommended on the sram website.
Clean all the grease from the threads, put a drop of blue loctite on the bolt and reinstall.