I impulse bought this
http://www.ebay.co.uk/itm/330669005493?ssPageName=STRK:MEWNX:IT&_trksid=p3984.m1497.l2649
Will it fit on my Onza T-Pro I looked on Tarty Bikes and there seems to be a few variants.
http://www.tartybikes.co.uk/hydraulic_disc_brakes/hope_tech_trial/c558p11402.html
My rotor is 160mm
Thank you.