Custom-Tuned Versus Stock Mountain Bike Suspension - Vital MTB Advanced Class 23

Product / Technical

Have you ever wondered what's possible when it comes to custom mountain bike suspension tuning? Can they really dial things in for you more than stock? Is a fully tuned setup faster? Vital MTB's Brandon Turman dives into the world of custom-tuned suspension, doing multiple back-to-back runs with side-by-side video analysis. He also did mock race runs on both a stock and tuned setup. Dig in!

Key Timestamps
0:34 - Common things you can address with a custom tune
1:41 - Main areas of focus while tuning (compression, rebound, air spring)
4:32 - Back-to-back test setup
5:13 - Slow-motion comparison
8:06 - POV fork comparison
9:39 - POV rear shock comparison
10:52 - THE RACE
12:40 - Race/ride analysis and observations
19:44 - What's the bottom line?

Fork Tuning Notes Added the DSD RUNT
Due to added support from the air spring, compression damping was lessened at the mid-valve Added high-speed rebound damping for control on big impacts Lighter low-speed / off-the-top rebound damping Refined rebound range Stock oil
Rear Shock Tuning Notes Tuned to rider weight, riding style, and to balance with the fork 3 vs 5 weight oil

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View key specs, compare products, and rate the RUNT in the Vital MTB Product Guide.

About The Tester

Brandon Turman - Age: 33 // Years Riding: 18 // Height: 5'10" (1.78m) // Weight: 165-pounds (74.8kg)

"I like to have fun, pop off the bonus lines on the sides of the trail, get aggressive when I feel in tune with a bike, and really mash on the pedals and open it up when pointed downhill." Formerly a mechanical engineer and Pro downhill racer, Brandon brings a unique perspective to the testing game as Vital MTB's resident product guy. He has on-trail familiarity with nearly every innovation in our sport from the past several years and a really good feel for what’s what.

Credit: John Reynolds, Brandon Turman, and Dylan Stucki

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