Originally posted by afm
The TRPI you can get it at www.speedtechrc.com
The WCR I think it's not offered in USA yet. The closest to a WCR would be the Collari Sirio offered by www.werksracing.com
So is the WCR exactly the same as the Collari Sirio or are there any differences? What about the comparison between the WCR and the Collari Sirio mod by Mauro Collari?