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Good road bike stem?

Old 03-20-19, 10:38 AM
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Duo
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Good road bike stem?

looking for a good road bicycle stem and found one on Amazon that is very affordable. would like to change my Trek 1500 from 110mm to 70mm for better fit.

any opinions on stems or where to find a good one? this is the one i found on Amazon...

https://www.amazon.com/FOMTOR-Bicycl...79-spons&psc=1

thank you.
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Old 03-20-19, 10:56 AM
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First, are your steerer and headset threadless? Second, does it match your handle bar diameter (31.8 mm) and steerer diameter (1-1/8", 28.4 mm)? If so it should be alright. Stems that short and with that great a rise angle aren't common.
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Old 03-20-19, 10:59 AM
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In threadless Thomson is good.. & Nitto in 1" Quill stems..
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Old 03-20-19, 11:20 AM
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Originally Posted by HillRider View Post
First, are your steerer and headset threadless? Second, does it match your handle bar diameter (31.8 mm) and steerer diameter (1-1/8", 28.4 mm)? If so it should be alright. Stems that short and with that great a rise angle aren't common.
yes it is threadless and 31.8mm basically a 9 speed Trek road bike. the rise should be fine, as it would better help with the fit. the frame is 58mm but a shorter stem would help my reach, everything else is fine.
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Old 03-20-19, 11:59 AM
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Originally Posted by fietsbob View Post
In threadless Thomson is good.. & Nitto in 1" Quill stems..
curious about the price of stems, seems to be all over the place. i would like to believe that they all can basically do the job, but not much info regarding that.
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Old 03-20-19, 12:43 PM
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Try your Trek Dealer ...
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Old 03-20-19, 12:57 PM
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The stem you chose is fine. You could spend more, get something with a nicer finish, fancy brand name etc. but this one will work. Going from a 110 to 70 with that much rise is going to be a big change from what you have, so be prepared for it.
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Old 03-20-19, 12:58 PM
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Originally Posted by Duo View Post
looking for a good road bicycle stem and found one on Amazon that is very affordable. would like to change my Trek 1500 from 110mm to 70mm for better fit.

any opinions on stems or where to find a good one? this is the one i found on Amazon...

https://www.amazon.com/FOMTOR-Bicycle-Handlebar-Suitable-Mountain/dp/B07C2KDXB6/ref=sr_1_79_sspa?keywords=bicycle+stem&qid=1552585038&s=sporting-goods&sr=1-79-spons&psc=1

thank you.
Here are the things you absolutely need to know before you spend one dollar.

What is the clamp diameter in MM for the stem at the steerer tube?

What is the clamp diameter in MM at the handlebars?

What length stem do you have now?

What is the rise in degrees?

How much spacer is below the stem in MM?

Once you have all that, take measurements of the bike from the tip of the saddle to the bars (at the stem) and out to the hoods. Decide how much closer/up or down you want the bars and go here:

Stem Comparison Tool | yojimg.net

Plug in the numbers of your current set up and then plug in the numbers with the proposed new stem to get the measurements you're hoping for, then buy ONE new stem Any name brand will do, at the price point you're looking at they're all made in China and they'll work just fine. If you want something ultra light, pour out 2 ounces of water from one of your bottles and you're good
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Old 03-20-19, 01:24 PM
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Originally Posted by blakcloud View Post
The stem you chose is fine. You could spend more, get something with a nicer finish, fancy brand name etc. but this one will work. Going from a 110 to 70 with that much rise is going to be a big change from what you have, so be prepared for it.
the rise concerns me a little, but just may be the ticket to make this bike fit better. usually i ride a 54 or 56 size bike, but this 58 size bike was a very good deal and fit fine except for the reach/stem. a little rise wouldn't hurt and cheap enuf to try.

thanks for the help.
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Old 03-20-19, 03:10 PM
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Originally Posted by Duo View Post
curious about the price of stems, seems to be all over the place. i would like to believe that they all can basically do the job, but not much info regarding that.
Why? different brand, different specs, different prices, different weight.

A generic, like the one the OP has linked to will do the job just as well as a Thomson (using this as an example of mid-high end), but will have (probably) a lower spec Alloy, and if anything breaks, will be disposable, a Thomson, is customizable and has spares availability (for when the front plate cracks), and looks cool, I have a few Thomson stems, and one which is almost the same as the Amazon linked to, riding you can't really tell the difference
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Old 03-20-19, 06:10 PM
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Originally Posted by jimc101 View Post
Why? different brand, different specs, different prices, different weight.

A generic, like the one the OP has linked to will do the job just as well as a Thomson (using this as an example of mid-high end), but will have (probably) a lower spec Alloy, and if anything breaks, will be disposable, a Thomson, is customizable and has spares availability (for when the front plate cracks), and looks cool, I have a few Thomson stems, and one which is almost the same as the Amazon linked to, riding you can't really tell the difference
ok. the LBS told me that had some used ones, so come on down and try them out. since he sells Trek and other major brands, that may be the better choice.
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Old 03-20-19, 06:12 PM
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As long as it is the correct steerer and bar size, and it the length and rise you want.... looks fine.
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Old 03-21-19, 10:30 AM
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In those components also, Taiwan, is a go to contract manufacturer for many brand name importers ...
Richey Specialized Trek C'dale etc, etc.

stem change as a part of bike fit you may find 'take off' stems changed at point of Sale, so near new..




...

Last edited by fietsbob; 03-21-19 at 10:33 AM.
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Old 03-21-19, 04:41 PM
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Originally Posted by fietsbob View Post
In those components also, Taiwan, is a go to contract manufacturer for many brand name importers ...
Richey Specialized Trek C'dale etc, etc.

stem change as a part of bike fit you may find 'take off' stems changed at point of Sale, so near new..




...
could be, near new is fine. if a stem is in good shape should last a life time.

near new seems to be the case with bike seats, usually they go for 10 bucks at the local LBS. i like the padded ergonomic touring kind of seats.

i think i may try the amazon seat, many reviews liked the rise...my bike is great every way except the reach, and even that is livable. the next thing is to try a 28mm tire on the front for some vibration resistance.
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Old 03-21-19, 05:59 PM
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Just NB the reviewers were not sitting on it , the saddle , with Your Hips...
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Old 03-21-19, 07:35 PM
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I was switching to a new set of bars and stem. Before I committed to a new "decent" stem, I wanted to confirm the that angle/length would give me the right fit with the new bars, so I bought a "cheapie" stem on Amazon for ~$15. I ended up buying the good stem (a Ritchey) anyway, but this no-name stem was was actually pretty good - stout and well-finished.
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Old 03-22-19, 06:48 AM
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Originally Posted by Litespud View Post
I was switching to a new set of bars and stem. Before I committed to a new "decent" stem, I wanted to confirm the that angle/length would give me the right fit with the new bars, so I bought a "cheapie" stem on Amazon for ~$15. I ended up buying the good stem (a Ritchey) anyway, but this no-name stem was was actually pretty good - stout and well-finished.
nice stem. unfortunately that brand only has the 110mm right now.

it seems the stems with the worst reviews seem to be the adjustable ones, so i will prolly not use those.
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