Posted by Jamis Bikes on 08/13/2018

Jamis Bikes Portal Mountain Bike with Flip Chip at Sea Otter

Jamis Bikes showed us there really cool Portal mountain bike.  This bike can take 27.5" wheels or 29 inch wheels and with the Flip chip, you can raise or lower the bottom bracket height depending on what size wheel you're using. 

Find all Jamis bike info and demo schedule at

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