GreVeloro Replacement Ball Ring Ball Holder Ball Bearing Set of 2
Ball size: 1/4 inch.
Diameter: 6.35 mm, total height: approx. 6.8 mm.
Colour: silver.
Outer diameter: 29 mm.
Inner diameter: approx. 18 mm.
Material: steel.
Number of balls: 9 pieces in steel cage.
Quality from GreVeloro