Personal bike fit, anywhere
Online Bike Fittingfor Comfort and Performance.
Try the free bike fit calculator first, then decide whether you want deeper setup guidance for your body, riding style, and next bike decision.
Trusted by 2,400+ riders across 180+ bike brands.
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Method-backed guidance
Evidence-based calculations instead of trial-and-error adjustments.
Millimeter targets
Saddle height, reach, and drop translated into usable numbers.
Transparent limits
Clear about what online fitting can solve and when to validate outdoors.
Thomas V.
Canyon Endurace 2022 · Comfort rider
“Saddle 4 mm lower. Knee pain gone after two rides.”
Free tools
Popular Calculators
Free tools you can use right now, no account needed.
Fit foundations
Start with the page that speeds up your next fit decision
Use the measurement guide, pain hub, and stack-and-reach page to decide faster whether saddle height, full bike fit, or frame size is the smarter first move.
Bike Fitting at Home
Start with the public landing page for bike fitting, fit priorities, and the strongest first calculator handoff.
Measurement Guide
Measure accurately before you calculate saddle height or bike fit.
Bike Fit for Common Pain Points
Start here when knees, back, hands, or saddle comfort are the main issue.
Stack and Reach Explained
Use road-bike reach and frame comparison when geometry is the limiter.
Road Bike Fit Guide
Connect saddle height, reach, and cockpit decisions in one practical guide.
If you want broader context before the tools, start with bike fitting at home and then return to the measurement guide, pain hub, or stack-and-reach page once you know which setup question matters most.
How it works
A clear fit flow in three steps
Measure what matters, connect your bike, and get the next setup changes in a usable order.
01
Measure your body
Enter height, inseam, arm length, and the body inputs that drive real setup decisions.
02
Connect your bike
Pick your bike from the database or continue with a manual geometry path when needed.
03
Get your fit plan
Review saddle, reach, cockpit, and next-step priorities in a practical order.
Why it works
Less guesswork. Better next steps.
Three principles that make every fit decision more concrete and reliable than guessing or starting from scratch.
Geometry-backed database
Use verified bike geometry and supporting setup data instead of starting every fit from scratch.
A structured adjustment order
See what to change first instead of moving multiple fit variables at the same time.
Matched to riding intent
Guide the fit toward comfort, endurance, or performance instead of one generic position.
Rider outcomes
What Riders Say
Short quotes from riders after practical fit adjustments.
Thomas V.
Canyon Endurace 2022 · Comfort rider
Verified rider story
Saddle 4 mm lower. Knee pain gone after two rides.
I had knee pain for years. The fit finally told me what to change first.
Laura M.
Trek Domane 2023 · Recreational rider
Verified rider story
Handlebar 10 mm higher. No back pain on long rides.
It was fast and practical. I had usable numbers within minutes.
Pieter J.
Specialized Tarmac 2021 · Performance rider
Verified rider story
Saddle 3 mm rearward. Better balance through harder efforts.
The database gave me a realistic starting point for the bike I already ride.
Real bikes. Real data.
Bikes on the platform — from geometry to tyre pressure
Every bike shown comes with full geometry measurements and optimised tyre pressures. Create an account to run your own.
We are loading featured bikes for a faster starting point. You can also continue straight into your fit in the meantime.
Go deeper
Popular Bike Fitting Guides
Explore pain-focused and discipline-specific guides, then apply your own personalized fit report.
Rider scenarios
Riding Scenarios and Pain Points
Use scenario pages to move faster toward the right calculator or guide.
Ready for the next step?
Your report includes the numbers that matter
Use concrete fit targets to improve comfort, consistency, and performance on every ride.
- Saddle height with adjustment range
- Saddle setback (fore/aft position)
- Handlebar drop and reach
- Stem length and angle
- Crank length optimization
- Handlebar width
- Frame stack and reach targets
- Recommended frame size
Try it free first
Start with the free bike fit calculator today
Use the free calculator first, then upgrade only if you want a deeper report and more precise next steps.
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