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、Exquisite Workmanship: Bicycle mudguard easywheel adopts CNN finishing, anode color and bearing axis to make the wheels roll smoothly and stably. 3、Resonable Size: The bicycle mudguard easywheel design size is reasonable and easy to install and carry. The wheel diameter: 38.5 mm / 1.5 in, wheel width: 10 mm / 0.3 in, mounting hole: 5.2 mm / 0.2 in, BCD: 36.5 mm / 1.4 in. 4、Applicable Scene: The bicycle mudguard easywheel has excellent performance for Brompton folding bike and for Dahon folding bicycle. 5、Nice Replacement: Exquisite workmanship and high accuracy help to provide the best performance. It can directly replace old or damaged parts. Item Type: Bicycle Mudguard Easywheel Material: Aluminum Alloy, Rubber TireProduct Size: Approx. 70 x 61 x 38.5 mm / 2.7 x 2.4 x 1.5 in Weight: Approx. 50 g / 1.7 oz Wheel Diameter: Approx. 38.5 mm / 1.5 inWheel Width: Approx. 10 mm / 0.3 in Mounting Hole: Approx. 5.2 mm / 0.2 in BCD: Approx. 36.5 mm / 1.4 in Applicable: for Brompton, for Dahon 1 x Bicycle Mudguard Easywheel