Simson quick-release binder The Simson quick-release binder is a sturdy quick-release binder with three ties. The quick-release binder can easily be clicked onto a bicycle if it has the right preparation. The quick-release binder can also be mounted with the supplied universal axle plate attachment on the rear axle of the bicycle using a ring spanner. Specifications: Color: blue, white Gender: unisex Material: elastane Length (not stretched): 53 cm Suitable for 28 inch bicycles. Contents: 1 Quick-release binder 1 Universal axle plate