Only a single tool is required for installation and adjustment

Rails: Solid Titanium

the workshop-quality chain breaker is incredibly robust

and a ball end key on the other end

2x extra pieces for larger frames

Park PK-5 Professional Mechanic Tool Kit PDP|PLP|Rail Material Only a single tool isThe PK 5 includes over 90 of Park tools best shop tools selected with versatility in mind. A great way to outfit a pro bench or to set up a dream home workshop. The PK 5 is an impressive, professional set of specialty tools that can help you perform hundreds of bicycle repair and maintenance procedures. An investment youll use and appreciate for decades. Who's this item for: You're a true mechanic, ready to fix anything that the kids or maybe even you