Felt Fat-EFat bikes just keep getting...well, bigger. Specialized, Kona, and, if the rumors are true, Trek all have big-tire bikes either out now or on the way. And in spite of the desert locale at the first day of Interbike's Outdoor Demo, the stalls were full of fat bikes, even if many of the Alaskan purveyors were wilting in the blistering heat.
Perhaps strangest of all, Felt's concept bike mates the Bosch electronic platform that the company has been selling on its European QX and Verza e-bikes to a fat tire mountain bike ride. No estimates on when—or even if—this well-named bike will make it to production.
Borealis YampaIn addition to the featherweight carbon Yampa frame, this just-launched brand out of Colorado Springs was showing 85mm wide tubeless carbon rims called the Carbondales. Fully decked, it weighs just a smidgen over 21 pounds and retails for north of $6,700.
Surly InstigatorThey already have the biggest fatty with the Moonlander, so Surly goes...wait for it....smaller with its revamped Instigator ($2,550). The 26-plus-inch wheels roll 2.75-inch-wide Dirt Wizard tires, though there's clearance for the new 26-iteration of the three-inch Knards. With a 140mm fork, it's an aggressive XC and dirt jump bike for the fat tire crowd.
AluBoo FattyThe boutique brand Boo Bikes extends its reach to more affordable models with its bamboo and aluminum Aluboo line. Their fatty accommodates up to five-inch tires, will come in three bright colors (in addition to this polished metal), and will cost just $2,400 for a SRAM X9 or equivalently equipped complete bike.
9:Zero:7 WhiteoutNot to be outdone, Alaskan fat bike veterans 9:Zero:7 were showing the Whiteout ($2,300 frame set). It has all the niceties of the aluminum original, including tapered head tube, thru-axles front and rear, and threaded bottom bracket for versatility, but the frame weighs a whopping 2.25 pounds less.
Fatback CorvusFatback, one of our favorite fat manufacturers, jumps into the carbon game with the Corvus, which will cost $2,300 for the frame and fork and start delivering this winter. Pre-orders now save $300. This bike maintains the aluminum model's excellent stand-over and full-size front triangle for maximum pack volume while lopping off the weight.
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