Lysander":3eq80l5x said:I have a Tacx Exact:
http://www.tacx.com/en/producten/fietsg ... dschap.dot
@ £35- £50, does the job fine........only drawback I've found is that the plastic arms on the calipers have some flex, so ye can't get down to micrometer perfection- not really a problem for just truing wheels.