There is already a thread for the Tekin in here somewhere with most details you will need.....
Top off road driver Kevin Lee has been using the R1 Pro all winter and has Tq'd and won 90 % of meetings attended!!! And that is with tope drivers in attendance.
The Raceplace have them and have sold plenty already, good prices available too.
Contact: 01462 684859 after 12.30pm
Note: The Redline motors are not BRCA Legal but we have all been using Orion, Speed Passion, Peak motors with these speedo's...
Look for the previous thread and it should answer most your questions.
Previous thread:
http://www.oople.com/forums/showthread.php?t=7554