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The Nike Grind Dumbbells and Bumper plates are made from at least 20% Nike Grind rubber by volume, a byproduct of Nike's footwear manufacturing process.
Bumper plates are crafted from Nike Grind rubber, a byproduct of Nike's footwear manufacturing process. Measured by total product volume, each plate is made with at least 30% Nike Grind rubber. Because footwear color palettes vary from season to season, each batch of Nike Grind rubber is unique and yields a limited edition run of these plates as they're released. Each batch is unique, every plate may differ slightly.
