Sep 21, 2021 11:04:49 PM Lennard Zinn Share: facebook-f icon linkedin-in icon Twitter icon pinterest-p icon envelope icon Lennard Zinn discusses tubeless tire standards, drivetrains, stainless steel frames, fork flex, and more. Read the full article at Technical FAQ: Mavic tubeless tires, 12-speed chain on 11-speed group on VeloNews.com. velonews, ask lennard zinn, technical q&a, technical faq, lennard zinn