10x weaker than a paper clip. Virtually like slim copper wire. Most wheels I see are drilled for Schrader and feature an insert for presta valves, Therefore the wheel toughness argument doesn’t delay, and I’ve never ever experienced a dilemma with a Schrader valve which happen to be more strong https://funbookmarking.com/story19722317/the-single-best-strategy-to-use-for-presta-addons