FAQ

Which bolt diameter does my crank have?

Here you find templates in the PDF format, with which you can determine the bolt diameter of your crank. Using this you can guarantee that the chain rings, the chain guards and Tensioner really fit with your crank.

Bolt pattern Shimano XTR FC-M960: 146-102-64mm For this crank NC-17 does not manufacture chain rings. Also there are no NC-17 available for the Shimano FC-M970 crank. They are using the bolt pattern 104/64 but with special XTR-chainrings.

The bolt pattern of all further Shimano cranks (also Hollowtech II) is 104-64mm. Our Chain guards are adjusted for Saint and hone cranks as well.

All components up to XT with 4 bolts, 104mm (60KB)
Only XTR Crank with 4 bolts, 112mm (60KB)
All components up to XT with 5 bolts, Compact Drive, 94mm (60KB)
XTR and Custom Made Cranks with 5 bolts, 110mm (60KB)

The NC-17 warranty

NC-17 gives a warranty of two years on all products illustrated on this website. Fair trading requests are also possible and indeed wanted as long as the product is less than twelve years old.
In order to promote a fair and reasonable fair trading situation a true and friendly description of the circumstances that you damaged the item is a major advantage! Return all warranties or fair trade requests to your local dealer where you purchased the item.
We’ll deal with your return in as fast and competent manner as possible.