Designed and built especially for single speed bikes44 the ss 15 is a forged44 multi purpose ride saverjust the right size and length 17 cm 7 inches to take along in a saddle bag or jersey pocket or to keep for wrenching in the garagefeatures a 15 mm socket for axle nuts and a 15 mm open end for removing or installing pedalssmooth44 curved spoon tire lever to get you out of a jambottle opener included to ensure he ss 15 remains a single speeders favourite