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 SRAM AXS 12-speed. The integrated shelf is useful for loosening tight links on older style chains. The fine thread, special V-shaped handle, and super strong replaceable pin (part #CTP) make chain replacement a breeze.