Geek Warning: Chains that rust too easily

What this episode covers

Have you experienced certain models of Shimano 12-speed chains rusting more easily than expected? It’s one of many topics in this week’s Geek Warning, the cycling tech podcast from Escape Collective. This week, Suvi, Alex, and Dave also discuss limitations and concerns regarding the fast-arriving 32in wheels. There’s talk of new bikes. And what we carry for fixing tubeless punctures. Those on our member-only feeds also get access to Ask a Wrench, where this week Colorado-based pro mechanic Colin Williams joins Dave for the first time. Happy geeking! Time stamps: 1:40 - Trek’s new XC bike has been spotted 6:40 - Big (32”) wheels continue to gain momentum, but maybe we should pump the brakes? 18:00 - Basso’s new gravel bike 22:30 - Do 12-speed Shimano chains have a rust issue? 31:00 - Tubeless tyre plugging 42:30 - What we’ve finished working on 45:00 - Ask a Wrench (Member-only, with pro mechanic Colin Williams) 46:00 - When cutting carbon goes wrong 51:00 - Are there short-cuts to setting up SRAM Transmission? 58:40 - Tips for gravel racing in sand 1:04:00 - Specialized FutureShock headset tips

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Frequently Asked Questions

How long is this episode of Geek Warning?

This episode is 44 minutes long.

When was this Geek Warning episode published?

This episode was published on February 12, 2026.

What is this episode about?

Have you experienced certain models of Shimano 12-speed chains rusting more easily than expected? It’s one of many topics in this week’s Geek Warning, the cycling tech podcast from Escape Collective. This week, Suvi, Alex, and Dave also discuss...

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