Beitong Folding Bike Pushing Wheel Easy Wheel,for Bicycle Tube Inner Diameter 28-32mm Seatpost Parking Whee

Embedded Easy Universal WheelFor Inner diameter 28-32mm.The wheel can rotate 360 degrees.The type does not need to be disassembled.size:6.9×3.5cmMaterial:Aluminum alloy + non-slip silicone + acrylic + stainless steel screw + PET silent wheelcolour:BlackPackage Contents:1 * Folding bike auxiliary wheel1 * WrenchOnly the above package content, other products are not included.Note: Light reflection 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.