The new MTN30 AL wheels from Chris King meet all the standards of an excellent alloy mountain bike wheel ... to the extreme outliers in our sport, and five degrees of engagement is just fine.

BBS on the rear and a cut-out for the M sport badge underneath the lug nut holes. They should also be much lighter than any equivalent 19in alloy wheel, too, despite the rear set being an inch wider.

That might have made things difficult for aftermarket alloy wheels makers, but when a wheel becomes ubiquitous, there are always those who want to stand out from the crowd, even if that crowd ...