The Abus 'Buffo' 34 - deter thieves with a D-lock.
Locks around frame, wheel and/or street furniture.
Great value and reasonable security (Abus Level '6') - suitable for those trips into town and for leaving at a workplace/station.

Can be used in conjunction with a Abus 'Cobra' loop cable to quickly secure front wheel and bicycle to a wider range of street furniture, e.g. lamp-posts.

Complete with frame mount bracket.