#1 Helix from Lightning Discs
Production
Manufacturer / Distributor: Lightning Discs
Approved Date: Mar 3, 1996
Certification Number: 96-02
Specifications
Max Weight: 178.5gr
Diameter: 21.5cm
Height: 1.6cm
Rim Depth: 1.3cm
Rim Thickness: 1.6cm
Inside Rim Diameter: 18.3cm
Rim Depth / Diameter Ratio: 6.0%
Rim Configuration: 31.25
Flexibility: 10.87kg
