HIGH QUALITY MATERIAL - The pedals feature adjustable rubber straps that allow you to customize the fit to your shoes. The durable strap is easy to use and positions correctly on the pedals to ensure a secure connection between shoes and pedals. PEDAL SPECIFICATIONS - These pedals have a 9/16 inch thread (pin diameter 14.3mm), compatible with all 9/16 spindle bikes, including indoor exercise bikes and spinning bikes. Pedal dimensions: 14cm long, 12cm wide. Strap length: 32cm. EASY INSTALLATION - Pedals are clearly marked for left and right sides. Check the markings before installation to ensure proper placement. The bike pedal has a 9/16 inch axle. Verify your bike's axle size to ensure compatibility. EXCELLENT CONTROL - The pedal surface is non-slip and includes a secure strap to hold your shoes firmly in place. This helps prevent slipping and enhances stability during use.