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Specialized Fatboy-2017



On loan from Specialized


In the late 1980s, Alaskan frame builders began experimenting with custom components and design to create a bicycle with a large tire contact patch for greater control on snow. As a result, the fatbike was born. With such large tires, usually 4-inch or wider, these bikes are built around frames with wide forks and stays to house the wide rims. The tires can be used with inflation pressures as low as 5psi to ensure a smooth ride on unstable ground and rough obstacles; the capability of this all-terrain vehicle made them a phenomenon among cyclists in the 1980s. Today, the market for the Fatboy has gone mainstream.


This Specialized Fatboy has massive Ground Control 4.6” tires (best inflated to around 8psi), a carbon fiber fork, an aluminum frame, SRAM’s 1×10 rear cassette with very low gearing (no front derailleur), and Shimano hydraulic disc brakes.



Designer/builder: Specialized Bicycle Components

Country of Origin: Morgan Hill, California, USA

Weight: 14515g/ 32lbs.