Specifications: Material: plastic. Colour: red. Dimensions: approx. 100mm x 40mm Screw spacing: 50mm Screw Diameter: M5 (5mm) Features: Accessories included. Two bolt spacing is 50 mm. Highly reflective light, ensures safe driving at night. Note: Due to different monitors, the color may be slightly different. There may also be errors in manual measurement. Thank you for your understanding. Package Content:1 x Bicycle Safety Rear Reflector