Creators share video guides (often saved or titled as .mp4 files for download) demonstrating how to hit exactly 137g of protein through high-density meals like egg-based oatmeal or lean poultry.
At just 137 grams (approx. 4.8 oz), these are among the lightest racing spikes ever engineered.
They feature a 3D-shaped carbon plate and specialized "Mizuno Enerzy XP" foam designed to maximize energy return while feeling almost weightless.