Designed and built especially for single speed bikes, the Park Tool SS-15 Single Speed Spanner is a forged, multi-purpose ride saver. Just the right size and length (17cm/7") to take along or to wrench in the garage, the SS-15 is destined to be a single speeder’s favorite. Park Tool SS-15 Single Speed Spanner Features Redesigned, now 37% lighter and even easier to bring along without cramping your style Features a 15 mm socket for axle nuts and a 15 mm open end for removing or installing pedals Super strong integrated tyre leaver for even the tightest tyre and rim combos Bottle opener included to ensure that any 'rest stops' go according to plan Covered by Park Tool's legendary limited lifetime warranty More info