sit-up-and-beg

Of a posture adopted by a person steering a vehicle (such as an aeroplane, car, or motorcycle): sitting up straight, not bent forward or leaning back.

Of a bicycle: having handlebars that are rather high and curve backwards, so that the rider sits upright rather than hunching forward; also, of the handlebars of a bicycle: rather high and curving backwards, thus requiring the rider to sit upright.