1/2" OD x 1/4" ID bearings Weight: 0.65 oz (each)
Use with aluminum, carbon fiber, or steel tubing. Works great with PVC too!
For mounting inside, we suggest using a 6-32 tapped standoff and 1/4" plastic spacers (shown above).
Simply slide on a shaft and tighten the set screws.
These adaptors work with any wheels that accept a 12mm hex pattern.
These adaptors require a 3/32 hex key.