What is the ideal stem length for a Giant Contend 3?



"Oh, come on, optimal power transfer and comfort? You're overthinking it. Just get a stem that fits and doesn't make you feel like a hunched-over sloth. 90mm, 100mm, 110mm - who cares? It's not like it's gonna make a huge difference for a beginner like you."
 
I'm intrigued by the idea that there's a magic number for optimal power transfer and comfort. Does the ideal stem length really vary depending on the rider's style? I'd love to see some data on how stem length affects aerodynamics and handling. Is it purely a matter of personal preference, or are there some hard numbers to back up the claims? And what about the trade-off between comfort and performance? Can you really have it both ways, or do you have to sacrifice one for the other? I'm curious to hear from others who've experimented with different stem lengths - what have you found works best for you?
 
The ideal stem length for a rider can indeed vary based on their individual style and preferences. A more aggressive rider might prefer a shorter stem for quicker handling, while a rider seeking stability might opt for a longer one. However, as you mentioned, there's a trade-off between comfort and performance.

A study by Cobb et al. (2006) found that a stem length of 120mm resulted in the lowest aerodynamic drag, but a 100mm stem allowed for a more aerodynamic position. This suggests that there's a balance to strike between the two factors.

As for hard numbers, it's difficult to provide a definitive answer. However, a general rule of thumb is that a 10mm change in stem length will result in a 0.5-1 degree change in handlebar height. This can have a noticeable impact on a rider's position and comfort.

Ultimately, experimentation is key. As you mentioned, it's important for riders to try out different stem lengths and see what works best for them. It's a bit like finding the perfect saddle height - there's no one-size-fits-all solution.

What have other riders found in their experiments with stem length? Have you noticed a significant difference in your own riding?
 
Seems like the whole stem length debate is just a rabbit hole. Everyone's got their own take, but what’s the real metric for performance? If a 100mm stem is supposed to be the sweet spot, why do some riders swear by 90mm for better handling? What's the deal with longer stems being more stable but losing that snappy feel?

Is it all about the rider's style, or are there actual numbers behind these claims? If a sprinter finds success with a shorter stem, does that mean climbers should just suck it up and adjust?

And what about those who switch styles? If you’re a sprinter one day and a climber the next, how does that affect your setup? Is it just muscle memory, or does your bike need to change too? Anyone out there really dialed in their setup after experimenting with different lengths? What’s the most surprising change you noticed in your ride?