RAM MOUNTSMotorcycle Fork Stem Ball Base RAM-B-342U with B Size 1" Ball for Stems 12mm to 38mm in Diameter

I like that it fits the steering stem on my bike. I don't like that I keep having to tighten the poop out of it after a few rides or it gets sloppy and spins around. Not a big issue with me just wish it didn't do that. Super easy to install with the directions.

I used to have my Ram mount mounted to my bike via sharing the mirror bolts under the windscreen. My friend showed me this and I liked this idea much better so now my 6plus isn't blocking my tachometer. I read the good reviews I read the bad reviews but I figured since I have never been disappointed by Ram before that I would give it a go.Normally I don't read directions, but when it comes to my $500 smartphone possibly flying across the highway because of a product with questionable performance based on reviews, then I don't take any chances. I followed the directions to a T and have been very pleased with the mount.It had been on my bike now for about 2000mi. And my bike is a 05 gsxr 600x so they haven't been the most gentle miles either but I still have my phone.Also if you are in question as to where this will work with your bike's fork tube stem hole thing then go to Ram's website and they will list for you every bike that this will work for.

Although this mount does not provide enough offset (distance from center of mounting screw to center of ball) for my specific aplication, it is a quality prduct that works well and mounts fairly easily with 1 minor modification...As others have mentioned, the inner piece tends to rotate inside the stem and won't tighten completely without a little help. I found that the nylock locking nut provides too much resistance when attempting to tighten the screw, causing the inner piece to rotate freely instead of completely compressing the rubber grommet.An easy fix for this is to replace the lock nut with a standard, non-locking machine nut of the same size... this allows the screw to rotate freely enough in the nut to tighten it completely and fully compress the rubber grommet, locking it in place... no more spinning!

Installed on my 2017 R Nine T Racer. The problem I encountered was not with understanding the engineering behind it, nor was it assembling and tightening it. The problem occurs after the mount has been installed CORRECTLY and tightened to the point that the screw can be tightened no further (thus indicating that the nut pocket washer has firm grip - if your screw never tightens, you have not loaded the nut pocket washer enough, which is an installer error and a different issue).The mount is very secure from upwards movement - meaning it will probably never pop out of the stem hole, which is great! However, the top portion with the ball WILL still rotate even when fully tightened. I tried with all my strength to pull it out, and it wouldn’t budge, but the top would still rotate. The system has no way of applying pressure to pull down the base tightly to the top of your stem hole - only applying pressure outwards to the wall of the stem hole to hold the base in place. So it will only be held down as firmly as you press it down initially, which can never supply the torque needed to keep the top from rotating. That’s a BIG problem - eventually allowing your phone to rotate in any direction and interfere with gauges, controls, key, handlebar turning lock while parking etc. -So no, the phone won’t fly off when you hit a bump in the road, it will just rotate to be cockeyed, or upside down etc.I don’t know about other riders, but I have several bikes with various base mounts for my ram x-mount, and I set up my phone location depending on the unique needs of each bike. So the fact that this mount can rotate doesn’t allow me to have a stable set up i can rely on is not so great - big disappointment. Perhaps a rubber washer to grip between part B (the top ball mount) and the motorcycle stem hole top would help, but I have not tried.Another reviewer 3D printed a similar idea and it seemed to work for him. Ram should look into his design! PLEASE!!!Too bad, seems like a tad more engineering would make this mount perfect.I will say that the reviewer who suggests it’s simply error, or misunderstanding the simple engineering is incorrect. Even when fully tightened and correctly installed, with medium pressure, the mount WILL rotate. PERIOD.

2015 ZX10R you will need a TORX T35 with the hole in the bit to remove the steering stabilizer the crosses the center fork shaft hole to install this, then re torque the bolt back in place when you are through. BE CAREFUL!! There is a plastic washer and a metal spacer that you will lose if you are not super careful and ready to catch them when the torx bolt is unscrewed. Just be aware that they will slide under the gas tank and be lost forever! Remove one of the torx bolts, install the Ram Mount, then reinstall the stabilizer. The only complaint I have is the part of the mount that has the ball on it still twists like it is loose or something, but there is no way for it to ever come out. But you shouldn't have any issues with it.

I couldn't get it to tighten on my bike, the teeth of the bottom plastic nut holder was grinding away the rubber and not gripping. Maybe because they use a nylock nut that already has some residents by itself. Maybe I try a normal nut and see if that works. But meanwhile ordered another stem mount.

For everyone that's having issues with the mount spinning in place, what you need to do is grab the plastic ring with teeth at the bottom of the assembly while turning the hex screw as it gets fed through the bolt at the bottom. This will cause the rubber piece to bulge creating a tighter fit. Then when you push this through the fork, tightening the hex screw will actually pull the mount downwards and tighten the assembly. Just pull the mount out of the fork carefully and tighten the assembly if it's loose. Push it back in and tighten in the fork. Great easy to use, versatile mount.