Park Tool CC-4.2 Kettenmesslehre Aerolenker now also as a service

now also as a service

Chains waxed with Molten Speed ​​Wax are available here for all common drives

aluminum handlebars are better suited for this

Made from organic cotton

Park Tool CC-4.2 Kettenmesslehre Aerolenker now also as a serviceNo beating around the bush here, at some point even the best waxed chain will be worn out. If it elongates too much, the other expensive drivetrain components also suffer and, in the worst case, everything is ruined, apart from the shifting performance, which starts to jump with the 10 and 11 sprockets. Changing is usually recommended from half a percent elongation onwards and I'm totally on board with that. These days, sprockets and blades are simply