For the money the best freewheels I've used are Excess not to say that there aren't better (White industries) but for the money the Excess are pretty nice

this is the UK contact I found

UK
Groove BMX
Unit 4 Stort Mill
River Way
Harlow
Essex
CM20 2SN
Email mark@groovebmx.co.uk
Phone 01279 451677/ 07939 247496.