Verdun rings are made from austenitic stainless steel. This is a noble material with excellent properties:

durable
corrosion-resistant
biocompatible: no release of chromium (toxic) when in contact with saliva
The Verdun rings are fixed, transmitting information from the rider’s hand without interference.

Buckle size: 70 mm

Buckle type: Verdun

Buckle material: stainless steel