Description: Material: ABS tube Color: Blue Dimension: approx.70x70x5mm/2.76x2.76x0.20inch Inside diameter: approx.1.8-2.5mm/0.07-0.10inch Outside diameter: approx.5mm/0.20inch Used for steel wire on the bicycle Suitable for all kinds of bicycles Cycling safer at night with reflective color foe security warning Cooler with reflective spokes Crisscrossed slot structure, more solid and easy to operate No batteries needed, can be long-term used Package includes: 12 x Reflective Spokes
