I'm a 50+ male with neck and back issues and had just about given up using my road bike. After as little as 5 miles my neck and back were so sore that I'd be ready to pack it in. I bought this adjustable stem as a last ditch effort at road biking.
The long quill length and huge 80-150 degree angle adjustment allows for lots of adjustability to dial in the perfect position. Adjustments were very easy but I quickly ran into brake and shifter cable/housing length issues due to the significant changes I made to stem height and angle. So be aware that you'll probably need to re-cable unless your adjustments are minor compared to your quill existing setup.
Made the change over a week ago and completed several 30 mile rides over the last week. Neck and back feel great and I'm enjoying biking again.
If your stock handle bar location is causing you to lean forward all the time, get one of these and assume a more upright position. Easier than changing the handle bars. Only limit will be cable lengths.
PROS: Solved the problem, High Quality, Fits right, Looks good
Great product, much better quality than the factory stem on our Trek 7300 loaner bike
This stem is longer than the factory one on our Trek loaner bike, and also a lot lighter. With max extension it made the medium size bike comfortable enough for taller person to ride. Installation is easy, and adjustment mech is very solid.
This is my 3rd Zoom Stem for my three bikes. It definitely eases the pressure on the lower back, which is my objective. Regarding mtn. biking it's not for technical single track riders as it makes tight turns more difficult plus you are much more erect on descents.
PROS: Easy To Install, Easily Adjustable, Attractive Design, Durable
CONS: Brake Cable Change
BEST USES: Road Biking, Casual Riding, Mountain Biking
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