Park Tool CT-15 Chain Tool

Many modern derailleur chains use a “master link” (also known as a “quick link” or “power link”) that allows the chain to be installed and removed without driving out a rivet. MLP-1.2 Master Link Pliers make removal and replacement of these master links quick and effortless. Simply insert the specially sized jaws into the master link. Then squeeze the handles to open or pull the handles to close the link. Compatible with 5-to-12-speed derailleur chains that use a master link, including SRAM AXS and Shimano XTR 12-speed. Also compatible with Campagnolo 13-speed chain.

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 Park Tool CC-3.2 is a go/no-go gauge designed to accurately indicate when a chain reaches 0.5% and 0.75% wear (or “stretch”), the points at which most chain manufacturers suggest replacement. The CC-3.2 is long, accurate, and features permanent measurement markings. The CC-3.2 works on most derailleur chains* from 5 to 12-speed.

Replacement pins for Park Chain tools.

The CT-5 Chain Tool performs like a shop-quality tool, in a lightweight compact size that easily fits in a saddle bag or mobile mechanic’s tool roll. The CT-5 removes and installs pins on all 5-to-12-speed derailleur chains, including newer SRAM 12-speed designs. The integrated loosening shelf is useful for adjusting tight links on older style chains.