Bike Type Stationary Bike Color Color-1 Material Aluminum Wire Size 9/16 inches To About this item Specification of pedalspedals axle diameter is 12mmOur pedals fit all bikes axle is 12mm,including indoor bikes and spinning bikes. Widely Used: Our extra thick universal pedal straps are suitable for most stationary bikes, whether upright or reclined. Safety: With bicycle pedals, you can better protect your foot from sprains when cycling. exercise.The straps feature a widened midsection allowing for a more secure grip while providing comfort during long workouts,Making it a perfect fit no matter the size of the shoe. Easy to install: Our bicycle pedals have a simple and compact structure, convenient operation, easy installation and maintenance. Non-slip design: The surface of the rotation bicycle pedal is non-slip design, which makes your more comfortable fitness. The large platform pedal is suitable for long-lasting comfort and pedaling efficiency.