Phone setup · 6 min
How to prepare a room and indoor bike stand for online bike fitting
A clear, consistent recording starts with the room—not the record button.
Roth learning center
Understand the setup before changing it.
Practical guides about setting up the camera, comparing two recordings, saving your starting setup, understanding Roth’s limits, and checking a change on real rides.
01—08
Practical guidance
Rider setup and safety guides.
Phone setup · 7 min
Why camera height and lens choice matter in bike-fit video
Phone position can change what a measurement appears to be before you change the bike.
Method · 6 min
Why Roth asks for two side videos of the same setup
One recording shows a moment. Two recordings of the same setup can show whether that moment repeats.
Setup records · 7 min
How to record a repeatable saddle-height reference
A useful measurement is one you can reproduce when you need to go back.
Adjustment safety · 6 min
How to save and restore a bike setup
A reversible adjustment begins with a starting point you can actually restore.
Video limits · 6 min
What a front-view bike-fit video can and cannot show
A front view adds useful context, but it cannot show depth or diagnose a health problem.
Safety · 7 min
When an online bike-fitting tool is not appropriate
The right next step may be a fitter, mechanic, or healthcare professional—not another upload.
Ride follow-up · 7 min
What to observe after a bike-position change
The useful question is not only what an indoor recording shows—it is what happens as the ride gets real.
These educational guides explain setup, recording, rollback, and safety boundaries. They do not provide a personalized fit and are not a substitute for a qualified fitter, mechanic, or healthcare professional.