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Stem 101


Uni

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Posted

This is what's on my silverback ATM

post-44041-0-26605100-1440094022_thumb.jpg

 

I want to try a shorter stem but looking at the ones in the classifieds - 80mm seems to be about the shortest there. What is the shortest available. And why they so expensive?

Never been to a bike fit so this is just a try it out and see if there's any difference.

Is there a general rule /ratio/measure without a bike fit? (Weekend warrior here)

Can I put any brand on?

I can DIY this? Assume level 0 noob.

Any other thoughts, considerations, no don't do its?

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Posted

The one thing I'm really struggling with is lifting the front wheel, various you tube vids suggest a shorter stem?

Posted

The one thing I'm really struggling with is lifting the front wheel, various you tube vids suggest a shorter stem?

 

Lifting the front wheel as in clearing obstacles? If you are using your arms, you doing it wrong. Requires a rearward shift of body weight. Using arms is of course possible, but it's not the recommended way of doing it.

If you shift your body weight instead, you naturally unweight the front, making it easier to roll up and over obstacles without you needing to lift the front wheel.

Posted

Cant advise on how exactly to measure what you stem lenght should be without a bikefit,but I usually just go shorter in 20mm incraments and see how it feels.

 

You get the slighly cheaper brands like Ryder that you can look at,me and a mate of mine are both running 60mm Ryder stems,bought from 2 different shops,I paid R180 and he paid R220.

Posted

Lifting the front wheel as in clearing obstacles? If you are using your arms, you doing it wrong. Requires a rearward shift of body weight. Using arms is of course possible, but it's not the recommended way of doing it.

If you shift your body weight instead, you naturally unweight the front, making it easier to roll up and over obstacles without you needing to lift the front wheel.

I'm trying to shift blame off the rider onto the bike here :(

I had a friend (that doesn't even ride) tell me I'm using my arms.

I have tried, I keep trying

Posted

Cant advise on how exactly to measure what you stem lenght should be without a bikefit,but I usually just go shorter in 20mm incraments and see how it feels.

You get the slighly cheaper brands like Ryder that you can look at,me and a mate of mine are both running 60mm Ryder stems,bought from 2 different shops,I paid R180 and he paid R220.

That's more what I'm willing to pay for this experiment
Posted

If you need a stem that is shorter than 80mm, chances are you are on a frame that is too big. Maybe have a bikefit and check.

Posted

A shorter stem might help, but its more a technique issue. Rather spend money on a skills clinic. It will help you more in the long run.

Posted

Uni, do yourself a favour and search for Global Mountain Bike Network on Youtube and watch their "how-to" videos. Very informative and covers most topics. 

 

If you want to lift the front of the bike so as to perform a manual or bunny hop, the main force comes from your hips and the movement of your body weight. Jerking the handlebar isn't the right technique. 

 

Try and work on technique before throwing money at your bike. 

Posted

 

If you need a stem that is shorter than 80mm, chances are you are on a frame that is too big. Maybe have a bikefit and check.

 

My next bike will be a small - learning to do these basic things with ease is part of my upgrade deal with myself :) for now this is my bang it up and don't feel too bad about it bike.

 

A shorter stem might help, but its more a technique issue. Rather spend money on a skills clinic. It will help you more in the long run.

I've been to many, I need to put in the practice - maybe I should do extreme knitting or something
Posted

If you need a stem that is shorter than 80mm, chances are you are on a frame that is too big. Maybe have a bikefit and check.

Bullcrap

 

The majority of bikes are now coming with stems of LESS than 80 mm for a number of reasons, including handling, manoeuvrability and body positioning.

 

In fact the only time you should have a stem of more than 70mm is on a road bike.

 

Edit edit... Or if you're on the XCO / marathon hit list and climbing is your number one priority above all else

Posted

Bullcrap

 

The majority of bikes are now coming with stems of LESS than 80 mm for a number of reasons, including handling, manoeuvrability and body positioning.

 

In fact the only time you should have a stem of more than 70mm is on a road bike.

 

Edit edit... Or if you're on the XCO / marathon hit list and climbing is your number one priority above all else

Slow down, tiger. Friday is tomorrow.

 

I incorrectly thought he was referring to a road bike..... my bad, didn't notice that his profile was mtb.

 

Now, of course, if you say it's bullcrap wrt a road bike as well, then we'll have to continue the conversation tomorrow.

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