I bring my 40+ years of experience building bike frames and forks, riding bikes, and writing about bicycle technology and maintenance to answering your questions. I have no advertising nor an ad sales staff asking me to go easy on advertisers.
| Platform |  | Pricing | Freemium | Publishes | Weekly |
|---|---|---|---|---|---|
| Issues | 125 | Founded | 2 years ago | Last Issue | 9 days ago |
| Active | |||||
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lennardzinn.substack.comLatest Issues
Should I Race Nationals Next Week with AFib?
Dear Lennard,
I’m 67 years old, live in Fayetteville Arkansas and have been riding and racing bikes since my late 20’s. I read your book “The Haywire Heart” about 10 years ago and have probably re-read it twice since then. I have also reco...
The World’s Heaviest 20 Grams
These first four Q&A items regard the disqualification of Lorena Wiebes from the Giro d’Italia Women for a bike claimed by the UCI jury to be 20 grams under the minimum allowed 6.8kg and the subsequent discussion of the origin of the rule a...
The UCI and the 6.8kg Bike-Weight Rule
Dear Lennard,
I like your comments about the 20-gram bike weight problem that led to the disqualification of Lorena Wiebes.
How much weight does a tire lose in its lifetime? I know that the treads wear out, which must mean that they’re lo...
The Disqualification of Lorena Wiebes
Dear Lennard,
What do you think about the Lorena Wiebes DQ?
Mark
Dear Mark,
Ooooh, don’t get me started on the UCI technical rules and the way they are enforced! The short answer is I think it is complete bull____ what they did to her!...
Acceptable Tubeless Road Tire/Hookless Rim Fit
Feedback on powdering tubes and removing waxed chains
Happy Memorial Day!
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Authors
The writers behind this newsletter.
Since 1982, LENNARD ZINN’s built custom bikes: zinncycles.com. He is author of Zinn & the Art of Mountain Bike Maintenance, Zinn & the Art of Road Bike Maintenance, The Haywire Heart, and countless VeloNews tech articles.
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