TPU Tubes: A User Guide

In Part One, you'll find out what Thermoplastic Polyurethane (TPU) tubes are and how they're supposed to be better.  The super-short version is they're lighter than the other air-containing options, roll almost as fast as the lightest, hold air about as as well as the longest, and the production and use is less resource-intensive and potentially more sustainable. What to know about TPU…

https://jralong.com/2026/03/19/tpu-tubes-a-user-guide/?utm_source=mastodon&utm_medium=jetpack_social

Are TPU Tubes ready for their road close-up?

https://jralong.com/2026/03/11/are-tpu-tubes-ready-for-their-road-close-up/?utm_source=mastodon&utm_medium=jetpack_social

New York City has a continuously-updated snowplow map.
Seems like will be kind of handy for the next few days.
#bikelife #bikenyc

https://plownyc.cityofnewyork.us/plownyc/

#springracing is the best. (after a cold winter). And it's best when the conditions are #theworst.
#bikelife #bikenyc #usacycling

https://jralong.com/2024/03/27/spring-racing-is-best-in-the-cold-and-in-new-york-city/

Review: Ostroy Woven Spandex Bib Shorts

All shorts seem the same.  Until you tug on something different.  So, it is with Ostroy’s woven-spandex bibs.  A common cheat on figuring out the quality of a pair of bottoms is panels;  more is supposed to be better.  These shorts go the other way; fewer panels.  There seem to be three here—one around the left leg, one around the right, and one for the glutes.

https://jralong.com/2024/12/11/review-ostroy-woven-spandex-bib-shorts/