It can be individually suited to seat angle and position, arm length and riding technique. If desired customized cranks can be made to measure. The weight optimized construction makes the Quickie Shark lighter, faster and easier to handle. The multi-adjustable and ergonomic seat and the innovative back result in optimum load transmission. 7 basic and 3 fine settings of the seat depth and 3 adjustable seat heights guarantee individual seat positioning. The back rest can be set to any angle betwe