DESC: BOB Ibex Plus Suspension Trailer with Drysak The BOB Ibex features adjustable rear suspension with 3+ inches of travel to give the rider and the gear a smoother ride. For 26" or 700c wheel equipped bicycles IBEX model has adjustable suspension with a minimum of 3" travel Comes with one yellow Dry Sak that protects cargo, especially in inclement weather CroMoly construction with powder coated finish Rear wheel features stainless steel spokes.