DJCRAWLER 58mm Omni Wheel (Silent Standard Edition) for Brompton Folding Bikes, 20KG Load Roller Replacement with Stainless Steel Bearings [M6*45MM/60MM Screws]

Brompton Bicycle Wheels Material: Nylon Technology: These wheels are made of durable nylon and offer long-lasting performance and wear resistance.

• Let the brompton portable bike push freely to all directions when folding instead of just driving in a straight line.
• Equipped with bearings suitable for brompton, can be used directly.
• The 6061T6 aluminum alloy shaft at the key shaft part has an overall lifespan that is 3-5 times longer than that of nylon shafts (yield strength and tensile strength are 3-5 times that of nylon materials.)
• Equipped with 45mm and 60mm M6 screws to fits different needs.
• 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.
• The separable design solves the problem that the traditional one-piece omnidirectional wheel is easily involved in the hair. You can easily take it apart, clean it and put it back together.