10x weaker than a paper clip. Pretty much like slender copper wire. Most wheels I see are drilled for Schrader and come with an insert for presta valves, Hence the wheel strength argument doesn’t delay, and I’ve under no circumstances had a problem using a Schrader valve which can be https://eternalbookmarks.com/story19571680/how-much-you-need-to-expect-you-ll-pay-for-a-good-live-chat-support-prestashop