I built a 1×10 hybrid for my wife last year, based around a Pinnacle Lithium frame. It’s quite an impressive frame for the £75 Evans ask (still available) – I went for matte black and it weighs around 1.7kg.
I built it with mainly Deore 10sp transmission, but switched to Zee shifters for a slight saving. Finishing was a mix of base-level Truvativ and random bargains. I also picked up the matching Pinnacle rigid fork.
I took a 2x Deore chainset and binned the 24T small ring; just keeping the 38T outer ring – to go with an 11-36T cassette. Gives plenty of range for hilly Bristol.
The whole build cost £414, although that excludes the BB5 brake callipers and XT/Mavic TN719 wheels that came from another bike. A very nice bike for the price, though.