Crankset tool

For details on how to service these cranks, see our article on Crank Removal and Installation: Self-Extracting. Trade Resources. This helps protect hands from chainring teeth.

Remove crank bolt or nut by turning counter-clockwise. If no bolt is visible, remove dust caps. Some caps pry out and some thread out.

Dust cap hiding bolt beneath Hex head bolt. The cranks are fitted with toothed sprockets called chainrings that drive the chain. Cranks may be removed to replace cranks or chainrings, service the bottom bracket bearings, or to clean the chainrings. Crank systems have become more complex in recent years. To know the service options you will need to know the type of crank and type of bottom bracket bearing system installed in the bicycle.

On self-extracting crank systems, the crank puller is effectively built into the crank. Self-extracting systems use threaded rings that look similar to a crank dust cap. However, these crank retaining rings are threaded over the crank bolt, so that when the crank bolt is loosened the shoulder of the bolt presses back against the ring, which in turn slowly pushes the arm from the spindle.

That's it! It's scientifically proven with our 6 bit multitool, you have control of every single screw on your bike! You can't say it's not true! With its personal of aestheticism, this Multitool is simply too beautiful to be hidden.

If you lose a bit somewhere, for less than 1 euro you can replace each bit It fits in your crank hollow with only that small disk visible to add a touch of italian style to your bike. Use this popup to embed a mailing list sign up form. Hollowgram Crank Bolts 7. Hollowgram Direct Mount 1x Rings Hollowgram Direct Mount 2x Rings 8.

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