10x weaker than a paper clip. Practically like slender copper wire. Most wheels I see are drilled for Schrader and feature an insert for presta valves, so the wheel toughness argument doesn’t hold up, and I’ve never experienced a difficulty which has a Schrader valve which might be additional robust https://bookmarktune.com/story19641175/facts-about-prestashop-live-chat-support-revealed