Other component compatibility: It should work on all 12 speed systems

If the post bottoms out inside the frame before the post collar hits the seat clamp

These are V2 models which have the following updates from the original design:

Developed for children

Park SK-3 Home Mechanic Starter Kit Gift Card Other component compatibility: It shouldHOME MECHANIC STARTER KIT A great way to start a tool collection! The perfect combination of tools to help the novice home mechanic clean, adjust, maintain, and do some basic repairs on their bike. The SK 3 includes more than 15 genuine Park Tool products plus a custom Park Tool toolbox. SK 3 FEATURES THE SK 3 INCLUDES: AWS 11 Fold Up Hex Wrench Set CC 3. 2 Chain Checker CN 10 Professional Cable and Housing Cutter CT 5 Mini ChainBrute Chain Tool GP 2