Uncategorized WTB Thumb Throttle assembly August 22, 2016 dstech I’m looking for a throttle that is compatible with the DX-Trigger. So it needs to have a top cover that’s held on with 4 screws. 2009 seems to be when this 4 screw cover first showed up. Something like this. Attached Thumbnails Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related