GreshFit Performance Bike Fitting

09/07/2026

The Best Tip for Choosing the Right Crank Length

Here's one of the best cycling tips you'll hear: Don't choose your crank length based on what everyone else rides. Start with a professional bike fit to find what actually works for your body, comfort, and riding style. The right crank length can make a bigger difference than you think. Watch the full episode on YouTube to learn how to choose the right one. https://youtu.be/dWfrDeBMZbU

09/01/2026

Most custom bikes get built before the rider even sits on them.

Watch the full episode on YouTube:

https://youtu.be/6E8d-HrPfHs?is=OQSHhV91VRNN-U5_

08/24/2026

Will Shorter Bike Cranks Make You Lose Power?

Worried that shorter cranks will make you slower? That's one of the biggest myths in cycling. In most cases, you don't need to change your gearing, and you won't lose power just because you switch to a shorter crank. Watch the full episode on YouTube to learn why shorter cranks could actually improve your ride. https://youtu.be/dWfrDeBMZbU

08/17/2026

This Bike Fit Mistake Is Causing Your Knee Pain — And How to Fix It

A cleat adjustment wasn't enough.

This rider was still struggling with poor knee tracking, so we made one more change: longer pedal axles. The result was a much better position and a noticeable improvement in alignment.

Watch the full episode on YouTube to see the before-and-after bike fit and why this simple adjustment made such a big difference. https://youtu.be/-wvd2xRx5-s

08/10/2026

Great to welcome Dave, a subscriber who drove up from Central Virginia for a bike fitting today!
We sorted out his hand numbness and back pain — now he can Enjoy every ride! 🚴‍♂️

07/28/2026

https://gofund.me/eb8364984

I’ve been a professional bike fitter for nearly 15 years. What started as a … Tim Gresh needs your support for Help Me Train with World-Renowned Bike Fitter

07/21/2026

Nobody Talks About Pedal Axle Length — But It Might Be Why Your Knees Hurt

Most cyclists never think about pedal axle length.

But if your feet are too close to the bike, it can affect comfort, knee tracking, and overall performance. The good news? There are pedal options that can help create a better fit without changing your entire setup.

Watch the full episode on YouTube to see which pedals could make a surprising difference to your ride. https://youtu.be/-wvd2xRx5-s

07/13/2026

26 Bike Saddles Later... These Are the Ones Worth Trying

Choosing the right bike saddle can feel impossible when there are dozens of options. After 12 years of bike fitting and testing riders on 26 different Selle SMP saddles, some clear patterns start to emerge.

In this short, you'll get a quick look at one of the most complete Selle SMP saddle collections and learn how experienced bike fitters narrow down the best saddle options for different riders.

If you've been struggling with saddle discomfort, numbness, or finding the right fit for road cycling, gravel riding, or long-distance rides, this is a great place to start. Which saddle are you currently riding? Share it in the comments.

Watch the full video on YouTube for the complete breakdown. https://youtu.be/f4qTvU1p9K0

07/08/2026

Split-Size Cycling Shoes Are Real

Did you know you can buy cycling shoes in two different sizes? If one foot is bigger than the other, forcing both feet into the same size can lead to discomfort and poor pedaling. Here's how split size cycling shoes, proper cleat placement, and a simple shim setup can completely change your ride. Watch the full episode on YouTube to see the complete fitting process. https://youtu.be/_Jg2fUZMQMg

07/06/2026

Why This Handlebar Feels Better on Every Ride

Not all handlebars feel the same. 🚴 This one simple design change can reduce pressure on your hands, give you more room in the drops, and make long rides much more comfortable. Watch the full episode on YouTube for more bike fit and cycling gear tips. https://youtu.be/lz8X-Au0fnI