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Julian Allen · 09-05-2009, 06:06 PM

I had always wondered how "traditional" front wheels could have centerlocks. It's fairly straightforward when the front is like the rear with a bolt from the inside and paired ball bearings, but haven't you wondered about the front?

I was able to obtain a set (the factory actually sold them that way in Weissach) of centerlocks for the car.

Here's the front: a modified (billet) hub with outside threads where the hub/grease cap would go, and a screw on cap with an integral stud for the centerlock.

Here's the hub without the cap so you can see the threads:

And here's the rear--just like seen on 964/993/996 racers from the factory, with a slightly different center bolt.

Once the bolt is torqued down, a "locking cone" fits into slots machined in a standard rear hub, keeping the bolt from coming loose when you remove the wheel.

More to come!

09-05-2009, 06:06 PM	#10
Julian Allen User Join Date: Jun 2009 Posts: 37 Thanks: 0 Thanked 2 Times in 2 Posts	I had always wondered how "traditional" front wheels could have centerlocks. It's fairly straightforward when the front is like the rear with a bolt from the inside and paired ball bearings, but haven't you wondered about the front? I was able to obtain a set (the factory actually sold them that way in Weissach) of centerlocks for the car. Here's the front: a modified (billet) hub with outside threads where the hub/grease cap would go, and a screw on cap with an integral stud for the centerlock. Here's the hub without the cap so you can see the threads: And here's the rear--just like seen on 964/993/996 racers from the factory, with a slightly different center bolt. Once the bolt is torqued down, a "locking cone" fits into slots machined in a standard rear hub, keeping the bolt from coming loose when you remove the wheel. More to come!