The Shocktube is a high impact waterproof vented tube made from top quality bonded 100\% CR Neoprene™ which is double lined with stretch nylon on both sides. Completely enclosing the motorcycles rear shock absorber and spring, Shocktube prevents damage from road salt, water spray, stone chipping, dust and dirt. The Shocktube can be fitted to most motorcycles with either monoshock or twin shock systems quickly, without the need to remove the shock absorber! Continually protecting the rear shock absorber and spring, while still maintaining the condition of the shock for a substantially extended period of time, throughout the life of the motorcycle. Patent No: GB2459728 This particular application comes supplied with 2x Shocktubes to cover/protect the twin shocks exposed on the X-MAX 400 '13- / CBF125 '09- / SH300I '13- and J300 '14- Models.