Front brake discs / bells / calipers - clarification thread

[purpleliability]

FarmyardPants said:

Or 350mm diameter disk = 175mm radius.
Minus 55 = 120mm radius.
Subtract another 2mm = 118 radius (so 236mm diameter) bell.

That adds up, I'm at 236mm so looks like I have the same size alloy bell. Ideal, I know what I'll be doing when I need to replace the front discs!

Thanks chaps!

[Incognegro]

Feel free to have a butchers and share with anyone wanting some 5200s as an upgrade/replacement/project (4 bolts)

http://pages.ebay.com/link/?nav=item.view&alt=...

Regards