Raise the handle bars on my new mongoose bike

Yes, all bikes have handlebar height adjustment.

How to Adjust the Handle Bars on a Mongoose Mountain ...

DIY Mountain Bike https://www.diymountainbike.com > adjust-handle-bar...
This is done by loosening the bolt and clamp on the front of the stem. Insert a 6mm Allen wrench into the bolt head and turn until the handle bars roll freely.

How to Raise Handlebars on Mongoose Mountain Bike

mtbrules.com https://mtbrules.com > how-to-raise-handlebars-on-mo...
Oct 2, 2022 - You can adjust the handlebars from front to back by loosening the clamp bolt in the stem's front. Insert a 6 mm Allen wrench into the bolt head.

How to Raise the Handlebars on a Mongoose

SportsRec https://www.sportsrec.com > Fitness > Strength Training
Jun 29, 2011 - Other options for raising Mongoose handlebars are adding a new riser bar, which can give 1 to 5 inches of height for your handlebars. A steer- ...

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Product Manuals

Mongoose https://www.mongoose.com > pages > product-manuals
The Mongoose owner's manual contains important safety, performance and maintenance information. Read the manual before taking your first ride on your new ...

Mongoose full-suspension mountain bikes, like the Ledge 3.1, have a little bit of height adjustment for the handle bars. See the manual at https://www.mongoose.com/pages/product-manuals . The current link to the appropriate manual is https://p.widencdn.net/brqquy/OMMGFS-1_Mongoose_FullSuspension_OM . Start at page 18 (20 of the manual in the browser) and determine the type of stem on your version of the bike. The quill stem version has minimum insertion marks that must be below the top of the headset and not visible. For the threadless stem version of the mountain bike, you adjust where the handlebars clamp onto the steerer tube. However, this is very imited since there should be only 1/8" to 3/16" gap between the top of the handlebar stem and the steerer (stem) tube. The is where the top cap and bolt to replaced on the handlebar stem and thread into the steerer tube.

I hope this helps.

Cindy Wells

Your handle bars are most likely stripped or the mongoose head is stripped or a combination of both. Unscrew the bolt you just tightened and take the handle bars off to inspect the little splined area, if smooth than handle bars need to be replaced. The neck should also have those little lines horizontally this area should not be smooth. You can try to wirebrush the area and out it back together, see if that works or the cheapest thing to replace would be the handle bars. When I was a kid I would pin my handle bars so they would not move cause we did a lot of jumping of our bikes and had a lot of stripped handle bars. Mongoose is a good stem I would lean towards new bars. Good Luck...

Your handle bar stem has a metric screw in the the neck of the bicycle. But, a word of caution, do not raise your handle bars more than the safety mark on the stem, it has to be inserted that much or it and it can snap in two and result in serious injury. Take it to a bike shop and they can either show you how or advise you on replacing the stem with a longer one. This is a very important part on your bike, do not take chances.

there should be an allen wrench bolt on top of the handle bar shaft. loosen that but not to much because you dont want the tightening nut to fall off. now put the front tire between your legs and try to wiggle the handle bars back and forth while pulling up if it does not move try loosening it a little more and take off the first bolt on the shaft and that should work. i hope this helped you
SabiousOne

You may have a stripped stem bolt, and need to replace it. Also, I hope that you use metric allen wrench because all bikes are metric. Take it to a bike shop and they should be able to set you up for a very nominal fee.

Be careful, the stem must be inserted at least 3" or to the safety line, or it will snap off. You have to have a metric allen wrench. Like I say, and I cannot stress it more, do not raise beyond the safety line on stem, buy a longer stem, if you want it higher than that. If, the bike is too small, buy a bike that fits you from a shop who specializes in sizing.

where the bars slide into forks there should be a allen nut on the top undo this slightly and adjust bar height then tighten up allen nut

some bikes u cant only the seats can adjuct