With 3mm diameter design, durable steel material for long lifespan.
100 pieces bike steel balls included here in one bag enough replacement and spare balls for your bike using.
Product Name : Bike Steel Ball;
Diameter : 3mm / 0.12"
Material : Steel
Color : Sier Tone
Weight : 11g
Package Content : 100 Pcs x Bike Steel Balls
Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.