These folding bike easy wheel are made from aluminum alloy, with a diameter of 6cm and a flat rubber ring. It is super light.

Feature:
Aluminum alloy material with high strength, solid, strong, lightweight and corrosion-resistant.
Quality flat rubber ring for better durability and smoother rolling .
Suitable for folding bike modification or as spare wheels/ bike parking wheel.
Comes with one M6 mount bolt for easy and convenient install.

Specifications:
Material: Aluminum alloy + rubber.
Color: Black / Silver / Gold ( optional ).
Product Size: 60 * 8 mm / 2.4 * 0.3 in
Unit Weight: 28 g / 1.0 oz
Packing Size: 20 * 10.5 cm / 7.9 * 4.1 in
Packing Weight: 67 g / 2.4 oz

Package List:
2 * Wheels
2 * Screws