Asahi Cycle Asahi Cycle Aluminum 27-inch Interior 3-stage Rear Wheel (Axis Length/Roller Brake Specification) XB2A7 [Parallel Import]This product is for roller brakes, so it is not compatible with drum brakes. Compatible with vehicles that use thick frames such as aluminum frame vehicles. Size: 27x1 3 8 Valve hole: English American style Number of spokes: 36H Gear: 14T Shaft length: 191mm This is a rear wheel for 3 stage interior. Product model number: XB2A7 Color: Size: 27x1 3 8 Material: Aluminum Wheel size: 27 inches Packing size: 65 x 65 x 17. 5 cm; 2. 01 kg