The 31L inner bag is compatible with the right original aluminum travel case of the BMW R1250GSA

5" x 2" hole patterns

Like the shell of a turtle

This tire uses a competition-only spec soft compound to allow it to tackle hard enduro racing over demanding terrain

Special dimpled tread pattern means many edges

BMC Air Filters - BMW R1200 C/CL High Performance Air Filter K-Type-Lowering Suspensions The 31L inner bag isThis High Performance air filter is made from premium material that allow increased air flow and filtration efficiency, blocking containment as small as 7 microns (compared with 10 microns in most other filters). BMC air filters are produced using a "Full Moulding" system. This prolongs the life and durability of the filter. The rubber used in BMC air filtering systems has a long life with optimum adhesion characteristics to all shapes of airboxes.