Angles at the right moment
Mark bottom and top dead centre on the timeline and measure there, frame-exact.
For bike fittersBike fit video analysis on Mac.
Film the rider on the trainer, step to bottom dead centre and measure knee extension, hip angle and back angle in a few clicks. Put the before and after fit side by side, and hand the rider a one-page report.
Ships January 2027 · Mac with Apple silicon · Full refund any time before launch
What you can do
Everything in one Mac app.
Before and after
Show the saddle change working: two clips side by side, synced on the same pedal position.
Distances when you need them
Calibrate once on a known length, then measure saddle setback or knee travel in cm or inches.
A report riders keep
A clean PDF with frames and numbers for the rider, and for your records.
How it works
Three steps.
- Film side-on on the trainer
- Measure at bottom dead centre
- Adjust, re-film and compare
Questions
Which angles can I measure for a bike fit?
Any three-point joint angle (knee, hip, ankle, elbow), angles to vertical or horizontal (back, forearm), and calibrated distances.
Do I need markers on the rider?
No. You click the joints on the frame. Small stickers on the joints make placing points quicker and more repeatable.
Does it work on a MacBook in the studio?
Yes. It runs on any Apple silicon Mac and needs no internet connection.
Also on Kinema.
See movement clearly.
Ships January 2027 · Full refund any time before launch · Terms & refunds · Questions? Write to us