The standard clamping dimension is 28.6 mm, with spacers (Order no.: 60029090) but they can also be used on 22 mm handlebars.
The spacers allow the clamps to be raised in 5 mm steps up to 25 mm, compared to the original.
The forwards/backwards adjustment range is in 3.6 mm steps up to 50 mm, depending on motorcycle model.

Information:
(1): Can be used in combination with the original handlebar.
(2): Can be used in combination with conical handlebars (28,6mm Ø).
(3): When used with the original handlebar, a reducer kit (Order no.: 60029090) is required for installation.
(4): The risers are 94 mm long to give an even more comfortable riding position on your motorbike.