Wunderlich - Helmlock Helmet Anti-Theft Protection for BMW R 1250 RT ( - 2020)A secure yet easy to use handy helmet lock for the R 1250 RT. The steel cord attaches beneath the rider seat and is also secured with a spring supported bar. The loops are pressed extremely sturdily and also reinforced with a steel thimble. This means it is impossible to open the loops without pulling up the seat. The enclosed steel cord accommodates two helmets and simply stows away on the hanging device when not in use. The facts: Function Form fit