Feature: 1. Stable Structure: It adopts steel bearing structure, with stable rotation andhigh concentricity. The hollow design reduces the extra weight and makes the wheels look lightweight. 2. Resonable Size: The bike mudguard easy wheel design size is reasonable and easy to install and carry. The mounting hole is 4.6mm/0.2in, BCD is 36.5m /1.4in. 3. Exquisite Workmanship: Bike mud removal easy wheel adopts CNN finishing, anode color and bearing axis to make the wheels roll smoothly and stably. 4. Applicable Scene: The bike mudguard easy wheel has excellent performance for Brompton folding bike and for DAHON folding bicycle. 5. Stable Performance: Professional manufacturing, craftsmanship and high accuracy help to provide stable performance to meet your various needs. Specification: Item Type: Folding Bike Mudguard Bearing Easy Wheel Material: Aluminium Alloy Weight: Approx. 26g / 0.9oz BCD: 36.5mm / 1.4in Mounting Hole: 4.6mm / 0.2in Applicable Model: for Brompton folding bike, for DAHON folding bike . Package List: 1 x Folding Bike Mudguard Bearing Easy Wheel Note: The installation requires self drilling and self provided screws, and the mudguard must have a certain support force.