Affiliate Disclosure
Last updated: June 3, 2026
In plain English: some links on RunBikeCalc are affiliate links. If you buy through one, we may earn a small commission at no extra cost to you. It never changes the price you pay or what we recommend.
FTC Disclosure
RunBikeCalc is reader-supported. In accordance with the U.S. Federal Trade Commission's guidelines (16 CFR Part 255, "Guides Concerning the Use of Endorsements and Testimonials in Advertising"), we want to be fully transparent: this website contains affiliate links, and we earn from qualifying purchases made through them.
Amazon Associates
RunBikeCalc is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com.
As an Amazon Associate we earn from qualifying purchases. When you click an Amazon link on our site and make a purchase, we may receive a small commission. This comes out of Amazon's margin, not your pocket — you pay exactly the same price.
Other Affiliate Partners
In addition to Amazon, we participate in other affiliate and advertising programs, which may include:
- Backcountry (via the Impact affiliate network) — for outdoor, running, and cycling gear
- Other retailer and brand programs we join from time to time when they carry products we genuinely recommend
Where required, affiliate links are marked with rel="sponsored" in the page's HTML, consistent with search-engine and FTC best practices.
Advertising
We also display advertisements through Google AdSense. These ads are served by Google and other third parties and are separate from our editorial gear recommendations. See our Privacy Policy for how advertising cookies are handled.
Our Promise: Recommendations Come First
Affiliate commissions never influence which products we recommend or how we rank them. Our editorial process is independent of any commercial relationship:
- We recommend gear based on real-world use, testing, specifications, and value — not commission rates.
- We frequently link to the best option for the reader even when the commission is small or zero.
- We will tell you when a cheaper or free alternative is the smarter choice.
- If we haven't tested something directly, we say so and explain what our recommendation is based on.
The commissions we earn help keep our calculators and guides free for everyone. If you find our tools useful, using our links is a no-cost way to support the site — and we're grateful when you do.
Questions?
If you have any questions about our affiliate relationships or how we make recommendations, we're happy to explain.
Email: hello@runbikecalc.com
Or use our contact form.