Chris King Devolution Baseplate, 30.0mm ID for 1.5 lower bearing and 1- 1/8" steerer

The Chris King Base Plates (Crown Races)

• Fits 1.5-1.1/8" DEVO
• Used with the Chis King Devolution headset, it can also be used to install a straight steerer tube fork in a King headset with a 1.5" lower cup

• Crown Race: 30