11 and 12-speed chains should be replaced when the

The inside features a dedicated pump sleeve as well as a larger compartment for some food or tools

but the spirit of the original Crest lives on: make it light

A generous 780mm width gives you the stance and control you need to let loose and the 35mm clamp diameter provides a good compromise between strength and compliance

Elbow EN1621-1

Park HHP-3 Home Mechanic Bearing Cup Press Tool PLP|Largest Cog 11 and 12-speed chains shouldThe Park Home Mechanic Bearing Cup Press is a simple design, yet very well made press for the home mechanic. As you would come to expect from Park Tool, the Home Mechanic Bearing Press is made from quality tool steel, is all welded and comes with a lifetime warranty. Suitable for pressing in1 8"", 1 1 4"", 1. 5"" headset cups and BB30, BB90, BB86 and BB92 system cups or even BMX bottom brackets. Perfect for assembling your custom build in your garage