"The PushLoc is the next version of RockShox PopLoc. The PushLoc was designed to address all the shortcoming of the PopLoc. The first problem with the PopLoc is the amount of real estate it occupies on the bar – add all the other things mounted on the bar (like brakes, shifters, etc) and it gets pretty crowded!! When developing the PushLoc they looked at ways of decreasing the overall footprint on the bar, which they did by getting rid of the release lever that the PopLoc has. The PushLoc uses a single lever actuator that works much like a pen. You press the lever down and you are now in the lock setup. Press it again and it releases the lever and now you are back to unlock. Very simple, clean and easy to use!
Another thing that RockShox wanted to offer is new ways of mounting this system. The fist way you can mount the PushLoc is the traditional way via a discrete clamp that simply mounts to the bar. The optional way is using a new mounting option called MatchMaker. The MatchMaker is a new way of mounting shifters, brakes and suspension actuators on the bar. In addition to this you can mount it on the right of left in what they call the vertical orientation and they also have an horizontal mount which allows you to mount it above the bar also on either the right or left side. This will be sold in the aftermarket as a kit, and all the mounts will be included in this kit.
One other problem with the PopLoc, which you might have experienced if you regularly ride in foul weather, is that grime and grit tends to find its way into the actuator. Unlike the PopLoc, the PushLoc is an entire sealed until. The entire mechanism is housed inside a snail shaped piece and the lever is clamped on the outside. I would also like to point out that all the parts on the PushLoc are made out of metal, expanding its life expectancy."
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