DJCRAWLER 58mm Omni Wheel Bicycle Accessory (Ultra Quiet) for Brompton Folding Bike, 20KG Load Omnidirectional Roller Replacement with Stainless Steel Bearings [M6*60MM Screws]

Use 40A soldness material. Softer material let the wheels quieter and make less noise while pushing

• The main body is made of nylon PA material, which has strong fatigue resistance, and the overall service life is several times that of ABS material
• Use 40A soldness material. Softer material let the wheels quieter and make less noise while pushing.
• The noise reduction effect is stronger while maintaining flexibility, and the built-in 304 stainless steel inner shaft is stronger
• Let the brompton portable bike push freely to all directions when folding instead of just driving in a straight line.
• Adaptability: easy installation modifications: The adjustable coupling allows for smoother wheel rotation with washers