Kukko, steering head bearing installer toolDesigned to drive in the steering head frame neck bearing races of the tapered roller bearings. Will also work for pressing in wheel bearings and driving in many other bearings. Complete with sturdy carrying case. Includes bearing drive diameters: 2 x 40. 0mm 2 x 44. 0mm 2 x 46. 0mm 2 x 50. 0mm 2 x 54. 0mm Note: To install the lower steering head bearing on the fork stem lower triple tree; please use Kukko 951111 steering head bearing mount kit.