The classic, now also in XL! The SHOCKBOARD XL and the X-TRA-DRY XL are big brothers of our successful models SHOCKBOARD and X-TRA-DRY and can handle even large wheel diameters through a raised splash guard. Both models feature quick-release fasteners for the steerer tube and the seat post. The X-TRA-DRY XL also has an angle joint that can be easily set.. Included in delivery are 5 cone adapter (15 – 35 mm)