Lixada Cycling Bike Aluminium Alloy MTB Mountain Bicycle Handlebar Stem 31.8mm Black

bought this for my sons bike, I had a looked at a few they where either too expensive or had bad reviews that deterred me, this arrived it is good quality, easy to install and now stops the handle bars from slipping! we went to Devon in august and I had a go on my sons bike down the black trail in Haldon forest and it was fine and i am considerably heaver than my son! would recommend!

Quality and finish were far better than the listing pictures suggested. Had to trim my steerer tube to fit (or add more spacers), other than that it’s great. Very happy for the cost.

Solid bit of kit and a mad value for money, taken this down reds and the occasional black on my down country bike, works a treat!

Cheap and cheerful, you get what you pay for, but I think it will definitely last.

Nice looking stem, matches my bike. Pretty good value for money, have been using it for a few months and have noticed no negatives, delivered fast too. Definitely recommend.

Easy to fit and nice and light

Many people reviewing have zero mechanical knowledge. Quite simply, small bolts, small torque...If you're going to hang off an M4 bolt that screws into an aluminium thread, guess what's going to happen?All stems are like this, they only need nipping up to around 4-5nm.Comments on locktight for the bolt threads are sensible advice.

The stem looks great and isn't too heavy at 140g. I tightened the 6mm bolts to 6Nm as I usually do on this size bolt and the bars were twisting. I upped it to 8Nm and it seemed OK until my first test ride and the bars twisted again.A quick ride home and tightened them to 12Nm. This seemed OK although I haven't ridden it in anger yet on some really rough terrain so they might need tightening even more, which does seem a bit too much for this size bolt.Update...The over tightening/torque problem was the bolt heads binding in their counterbores in the stem before they even started clamping the stem onto the fork steerer.I ended up just putting a little grease around the washer/head of each bolt. I tried 4Nm torque at first and the stem tightened up OK but I tightened them to 7Nm just to be safe. I have tried twisting the steering with some force in my garage with no movement. I will ride the bike soon just to check but confident it will be OK.I don't know if it helped any, but I tapped the 6mm threaded holes all the way through the holes (they stopped short originally) before adding the grease just to make sure the bolts weren't bottoming out as it did look close. Should be OK with just the grease if anybody has a similar tightening problem.