10x weaker than a paper clip. Virtually like slender copper wire. Most wheels I see are drilled for Schrader and have an insert for presta valves, Therefore the wheel energy argument doesn’t hold up, and I’ve under no circumstances had a challenge with a Schrader valve which happen to be https://bookmarkzap.com/story19631199/how-much-you-need-to-expect-you-ll-pay-for-a-good-live-chat-support-prestashop