Knees
Read how saddle position and cleats affect knee discomfort.
Read the guideOnline bike fit · start free, no account needed
Get more from every ride.
Set up your bike for your body and riding style. Enter your measurements and get concrete millimeters for saddle, reach, and handlebars.
Measureyour own dimensions
Testyour setup
Freeto start
Change one setting at a time. Check how you sit and move while riding.A starting point, not a guarantee · From measuring to testing
Free calculators
Choose what to adjust
Free tools you can use right away, without an account.
Complete bike fit
Saddle, reach, drop, and frame size in one overview.
Saddle height
A starting point in millimeters, with an adjustment range.
Frame size
Which size suits your proportions?
Tire pressure
Front and rear, based on weight and surface.
Saddle width
An estimate based on your sit bones.
Crank length
Crank length to suit your riding position.
Gearing
Distance per pedal stroke, in each gear.
Measurement guide
Measure barefoot with a book against the wall.
How it works
From measuring to riding in three steps
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.
Start with your discomfort
Where does it hurt?
Lower back
Learn about reach, drop, and saddle angle for back discomfort.
Read the guideHands & neck
Read about reach, bar width, and pressure on your hands.
Read the guideSaddle discomfort
Consider saddle width, setback, and tilt together.
Read the guideMake your next adjustment deliberately
Record your current saddle position before changing it. That lets you undo an adjustment.
Keep your starting pointHeight, setback and tilt
Check whether you can reach the bars comfortably. Avoid changing your saddle and cockpit together.
Consider the whole positionReach and drop together
Try your setup on a familiar route. Have persistent discomfort assessed by a professional.
Review while ridingOnline advice is a starting point
Your report has the numbers that matter
- Saddle height with adjustment range
- Saddle setback (fore/aft position)
- Handlebar drop and reach
- Stem length and angle
- Crank length advice
- Handlebar width
- Frame stack and reach targets
- Recommended frame size
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