outer ring only - quick release - 6.2" (15.8cm) with hardware

Key Features
For 5-5/8" Diameter Rings
With the Chimers Quick Release Speed Ring Conversion, you can convert most of the older Chimera Speed Rings to a Quick Release Ring by fitting a new Quick Release Outer Ring onto your existing inner insert. Measure your inner insert diameter. Most older Speed Rings with eight bolts holding the insert are compatible with this conversion.