Ninja Master Plus ToolBox Mini Tool - T16 headset spacers The top cap on these

The top cap on these headsets have unique raised features that key to Knock Block compatible stems (made by Bontrager

Innovative concealed mountain bike multi tool that discretely and securely inserts into the opening of a handlebar

Fits Bosch Active Line (chainrings less than 20 teeth)

impact absorbing SmartFlex pads offer form-fitting and lightweight protection on knuckles and fingers

Ninja Master Plus ToolBox Mini Tool - T16 headset spacers The top cap on theseMounts under Ninja water bottle cage with interchangeable Cage Mount or use alone with Frame Mount. This weatherproof tool box contains an 18 function mini tool for basic repair and maintenance. Mount to Ninja Master+ series cages with included cage mount, or install on frame, stem, seatpost, or water bottle boss with included frame mount and zip ties 2 2. 5 3 4 (L type) 5 8 mm Allen wrenches, 6 mm hex tool bit T10 T15 T25 Torx wrenches #2 Phillips