The Black Bison Competition plates have been further improved by using a new higher UV resistance, harder wearing compound. meaning your plates stay looking better for longer!
Our Bison™ Black Olympic Competition Bumper Plates are a smart black alternative to our bright colour plates, with stylish colour writing and a beautiful finish.
Designed and tested to comply with all IWF standards, the new manufacturing process; enables us to create a much cleaner lined plate, with a higher quality finish than previously. Each and every disc is calibrated to within weight tolerances of no more than +/- 10 grams of stated weight. Drop tested from a height of 2500mm more than 30000 times.
Every plate is calibrated to within the weight tolerances as detailed below;
- Diameter: All size: 450mm+ - 1.5 mm
- Thickness: All size +- 1 mm
- 10kg: 30 mm
- 15kg: 40 mm
- 20kg: 51 mm
- 25kg: 57 mm
Weight tolerance: + - 5 gram.
- 10kg: 92 ShA
- 15kg: 88 ShA
- 20kg: 85 ShA
- 25kg: 85 ShA
*2 Year Limited Warranty when used on Correct Protective Flooring*