First ‘Gearbox Fat Bike’ By German Brand

Fat bikes thrive in harsh riding conditions, offering a great ride in snow and mud, but they do have a potential weak spot: the drivetrain.

German bike builder Nicolai applied some unique engineering in the new Argon FAT Pinion 2014, just unveiled via video yesterday.

This bike has a Gates Carbon Drive and internal Pinion gear box housed in the bottom bracket.

The Pinion gearbox is sealed, keeping crud out of gears and running smoothly. It does have disadvantages; for one, the gearbox weighs 5.95 pounds.



While few details have been released by Nicolai, the gearbox used is the Pinion P1.18, which has a ‘spur gear’ type transmission with 18 speeds at 11.5 percent constant gear ratios to achieve a gearing range of 636 percent.

It also has a 120mm Carver Trans Fat fork, which should make for a cushy ride over those big tires.

More info coming soon, but for now enjoy the video. It looks like a blast! —Sean McCoy

Sean McCoy
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Sean McCoy is the Editorial Director of GearJunkie, and 5+ other All Gear websites.

He has been writing about hunting, fishing, trail running, camping, skiing, and more for 15+ years.

Prior to GearJunkie, he was the chief photographer for the Virgin Islands Daily News and former Editor In Chief for GearJunkie. Based in Denver, Colorado, McCoy is an avid trail runner, camper, hunter, angler, mountain biker, skier, and beer tester.