20-26 Conversion Kit bike Use Hollow Hub black.

*Fits: 20/26 Inch*Axle Size: 5/8 Inch *Fite Chain: 1/2×1/8 *Material: Steel* Sprocket: 5/8 x 24t *Color: Black *Brand: Lowrider *Use with Hollow-Hub Wheel 5/8 Bearing