If you want full mechanical the BB5 Road is a good one when set up correctly, but adjustment needs to be kept on top of. BB7 Roads are more expensive, but work better, easier to adjust.
If you want a hydro/mechanical, HY/RD are apparently quite good. But spendy-
Thanks lads.As we are on the subject,I want a nice set of gravel bars to suit a 25.4mm stem,they seem thin on the ground as most are 31.8.Any recommendations?I dont want to change the stem as its super rare.