Free for riders. Improved with riders.

Your bike fit is not a trial or a sales funnel.

Roth Bike Fit costs $0. There is no subscription, premium result, checkout, or automatic conversion to a paid service. You bring the bike, indoor support, phone, and any tools or parts you choose to use.

Completed comparisons can make the next fit clearer.

When connected Roth accounts are publicly available, you will be able to turn on optional community improvement. With that separate choice, Roth may use de-identified angle ranges, the change tested, and ride answers to improve future guidance. Your name, email, raw videos, report pictures, and written notes are not included in that setting.

That choice is designed to follow the same account on the website and phone app. Roth will not describe cross-device continuity as available until the production account path has passed its release checks.

Public proof always needs a separate yes.

Using Roth is not permission to use your video, image, name, quote, bike, result, or story in public. Roth may ask whether you are interested after a fit, but nothing is published unless you review and approve the exact final words and media.

• Community improvement is optional and off by default
• Public videos and stories require separate, specific approval
• Saying no never changes free access or support

One rider’s result is one documented result.

Roth will use completed before-and-after comparisons to learn, not to promise a universal outcome. Public stories must show the starting point, exact change, saved way back, follow-up, and limits. Roth will not invent testimonials or turn one rider’s experience into a medical, accuracy, or performance claim.