Tyre sealants, gearboxes, and wide kicks

The derailleur looks set to continue ruling the roost, but the increased attention to gearboxes is one to watch. In this week’s shorter-than-usual episode, the geeks chat about Fox Factory’s recently approved patent in the space.You’ll also hear some early speculation about Fizik’s entry into helmets, some new EU-based helmets standard inbound, and what our go-to tubeless tyre sealants are.Tech reporter Alex Hunt just wrapped up a big feature on big shoes, and the geeks give a basic overview of that.Finally, members of Escape Collective (if on the member-only feeds) will be privy to the Ask a Wrench segment that, this week, chats tyre width selection for crit racing and how to best switch disc brake pad compounds.All that and more in this week’s Geek Warning. Enjoy!Time stamps:1:55 - Fizik is getting into helmets4:22 - Explaining why things are a bit quiet on the tech front5:20 - Fox Factory gets a patent approved for a gearbox9:50 - On our minds is shoe width18:00 - Silca’s new Ultimate tyre sealant, plus our picks24:00 - A farewell to Matt Opperman25:30 - New helmet standards inbound in Europe29:00 - Ask a Wrench: picking a width of new road race tyres35:40 - Ask a Wrench: Brake pad compound switching