Adjustable pedals for flexible starting position Height adjustable pedals with a central rail let you the pedal height to fit your needs. Regardless of your height, you can easily locate and secure the starting position for a confident pushoff. Wide applicability for diverse settings The design delivers a smooth and secure experience across multiple environments. It is suitable for schools, training grounds, plastic tracks, cinder tracks, and grass, making it a versatile choice for varied athletic applications. Dual spike system for reliable traction Compatible with both plastic and cinder tracks. It includes two spike types: builtin fixing spikes for plastic tracks and dedicated spikes designed for cinder tracks, providing secure grip on different surfaces. Customerfocused service We value your shopping experience. If you have any questions, please contact us and we will reply within 24 hours. Use scenarios School physical education classes that use plastic tracks or grass fields, requiring adjustable starting positions and reliable traction. Athletic training on cinder tracks where dedicated spikes improve grip and performance. Outdoor practice on mixed surfaces (plastic, cinder, or grass) at training grounds or athletic facilities, where versatile compatibility simplifies setup. Key attributes at a glance Function: Adjustable pedal height via central rail for starting position Compatibility: Works on plastic and cinder tracks Performance: Two spike types for secure traction on different surfaces Use environments: Schools, training grounds, plastic tracks, cinder tracks, grass Service: Prompt customer support within 24 hours