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Using multiple shell sizes is arguably good for both safety and aesthetics (how good the helmet looks on your head) so all good there

Multiple reviewers mention they've used it for years and it's still in great shape, which is notable given its crazy low price (and did I mention it's currently on sale for under $50!?!)

The jellyfish venom pathway we identified in this study requires cholesterol, and since there are lots of drugs available that target cholesterol, we could try to block this pathway to see how this impacted venom activity, Raymond Lau, PhD, the lead author of the study, said in a statement

GIANT Bicycle Head Badge Brand: Giant Dimension: Aluminum Dimension: Tall: 40mm / 1 1/2 / Wide: 38mm/ 1 1/2