The RAM-B-252-TO5U for the TOM TOM ONE XL.
This Motorcycle RAM Mount is made from Marine Grade Aluminum with a MIRROR FRAME MOUNT with 11mm HOLE BASE and RAM Custom Plastic Cradle. The mount is designed with a RAM 1 inch diameter patented rubber ball and socket system that has adjustment point at the cradle and base. With a twist of the arm knob, you can move the TomTom mount to your optimum viewing position. All cables can stay connected to the unit while in the RAM cradle.
Not suitable for the NEW XL (v2) with 'easy-port' mount see the sub-sections for XL v2 22 / 30 series for accessories.