Park Tool

A worn bicycle chain can cause poor shifting and in time can even cause excessive wear to the derailleur and rear cogs, causing a much more expensive problem. That's why bike component manufacturers recommend chain replacement at regular wear intervals.

The VC-1 is a small, handy tool designed to remove and install Schrader and Presta valve cores, as well as Presta valve extenders with 5 mm wrench flats. Helpful for setting up tubeless tires or replacing damaged or leaking valve cores.

A dirty drivetrain causes poor shifting and unnecessary wear to expensive parts. The CG-2.4 contains everything needed to quickly and easily clean the chain, cogs, and chainrings.

The SR-18.2 Chain Whip securely engages 1/8" fixed-gear sprockets and single-speed cassettes during the removal process, making it an essential tool for bike maintenance.

Set of 3 emergency tire patches for cut on damaged tires, Made of a thin, extra tough film developped by 3M (maintains patch in place upon reinstallation).