Birch Gymnastic Rings with Adjustable Straps

These wooden gymnastic rings are listed as birch with polyester suspension straps and metal adjustment buckles. The source dimensions are 235 mm outside diameter, 180 mm inside diameter and approximately 28 mm grip thickness. Straps are listed at 4.5 m long and 2.5 cm wide. Use only with a suitable rated anchor and the supplied installation guidance.

Source specifications

• Ring material: birch
• Strap material: polyester webbing
• Outside ring diameter: 235 mm
• Inside ring diameter: 180 mm
• Grip thickness listed: approximately 28 mm
• Strap dimensions: 4.5 m long × 2.5 cm wide
• Metal strap-adjustment buckles
• Listed configuration: rings, straps, PE bag and carton; photographs show two rings and two straps

The source also mentions 32 mm as another grip standard, but no separate thickness option is offered here. Its competition-standard, press-formed construction and E0–E1 phenolic-adhesive claims are not independently verified. No certified load rating or waterproof-use rating is provided.