Simson Spanninga standard The Simson Spanninga standard is an extra sturdy aluminum standard with a narrow plate mounting. The paddle-shaped foot ensures optimum stability. Very suitable for city bikes and hybrid bikes with a wheel size of 28 inches. Mount the standard on the bike using an Allen key and the supplied Allen bolt. Specifications: Color: black Gender: unisex Material: aluminum Plate mounting: 20 mm Wheel size: 28 inches Suitable for: city bikes, hybrid bikes