Berlin from Gram Discs
Production
Manufacturer / Distributor: Gram Discs
Approved Date: Nov 24, 2025
Certification Number: 25-174
Specifications
Max Weight: 174.3gr
Diameter: 21.0cm
Height: 2.0cm
Rim Depth: 1.1cm
Rim Thickness: 2.1cm
Inside Rim Diameter: 16.8cm
Rim Depth / Diameter Ratio: 5.2%
Rim Configuration: 31.50
Flexibility: 10.59kg
