The Kona Ph.D is a commuter/city bike with an aluminum Easton Ultralite Race / Kona frame. The frame comes in white or Pearl  White.

Originally released in 2006, there are 4 versions of this bike. Due to the frame materials and other factors, we estimate that this bike weighs around 30 pounds. The Ph.D is fully rigid.


The Ph.D comes with Shimano 105, Road Mix and Mix components, including an oversized FSA stem, an integrated, threadless, Aheadset STS FSA Orbit headset and Shimano shifters.


The Ph.D has 9,10 speeds and has a Shimano derailleur.


It comes with Continental Ultra Sport tires (622mm x 23mm) and Mavic Aksium rims.

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Type Commuter, City
Year 2006, 2008, 2009, 2010
Alt. Names PhD, Ph.D