uxcell 2pcs Frame Silver Tone Bicycle Middle Axle Steel Ball Crank Bearing Ball Ring

Product Name: Bicycle Ball Frame; Material: Steel Application: General-purpose bicycle; Dimensions: 29 x 7mm (external diameter * thickness) Ball diameter: 6.3 mm; Color: Silver Weight: 25g Package Content: 2 Pcs x Sphere Frame Specifications: Product Name: Bicycle Ball Frame; Material: Steel Application: General Purpose Bicycle; Dimensions: 29 x 7mm (External Diameter * Thickness) Ball Diameter: 6.3 mm; Color: Silver Weight: 25g Package Contents: 2 Pcs x Ball Frame Description: Made of steel material, these 2-piece ball frames are an ideal replacement for your broken one. Each ball frame is designed with 9 steel balls.