hi there mate... my mates runs DDR.. i have built my complete mini bike from DDR parts.. with upgrade bits through them like IRK, lifan 138cc, fast ace rear, tapers... but all bought through them... i am really happy with the bikes.. and my mate bought a 140 from them aswell.. and i was very impressed with it.. they are a good bike in my honest opinion..
check out my bike in the post pic of ur bike thread.. to check it ou