Product Description Ideal for on the go: the CT-5 Mini Chain Tool by ParkTool This compact chain tool fits anywhere and offers virtually the same performance as a workshop model. The fine thread, special V-shaped handle and super strong replaceable pin make chain removal and installation a breeze. The CT-5 can be used for any derailleur chain (including Hyperglide) and even has a "release" compartment for loosening stiff chain links. Compatibility:5-speed, 6-speed, 7-speed, 8-speed, 9-speed, 10-speed, 11-speed, 12-speedShimano HyperglideShimano XTR 12-speedSRAM T-TypeSRAM Flattop3/32" SinglespeedFeatures:very compact and lightideal for on the gosuitable for 5- to 12-speed derailleur chainssuitable for most bicycle chainsManufacturer Number: CT-5 Contents:1 x Weight: silver: 77 g Manufacturer: Park Tool Company 1185 Eagle Lake Rd Shoreview MN 55126 USA info@parktool.com Distributor: GROFA Action Sports GmbH Otto-Hahn-Straße 17 65520 Bad Camberg Germany info@grofa.com