Trek says all the reasons that 27.5 wheels have an advantage over 26-inch for regular mountain bikes applies to fat bikes as well: larger contact patch, better angle of attack and shorter sidewalls for less bounce. Combined with the redesigned Stache model with 29×3 wheels and tires, Trek now has one of the widest “fat” product lineups in the business.
The new bikes are actually designed to fit multiple wheel sizes, as some models are equipped with the fattest of the fat tires and others are spec’d for better performance on trails or groomed snow. The new bike has moved to a 197 mm rear thru-axle while maintaining the same Q-factor as the previous model that could only fit a 26×4 tire.
Horizontal sliding dropout with reduntant securing mechanisms allows for no slip singlespeed or geared options and provides the ability to dial in the geometry to match each rider's style.
Allows for 15mm of adjustment to accommodate 27.5" x 4" or 26" x 5" tires
Internal Derailleur Routing
Sleek ports at the head tube and near the seat tube let you route your derailleur cables through the frame to keep your bike running smooth and clean.
Alpha Platinum Aluminum, E2 tapered head tube, internal derailleur & dropper post routing, PF121, 197mm Stranglehold adjustable thru axle dropouts
Alpha Platinum Aluminum, 135mm spacing, IS brake mount, E2 tapered aluminum steerer, 100mm suspension corrected
Bontrager alloy sealed bearing, 135x5, Rear 197x12
SUNringlé Mulefüt 80mm 32-hole w/cutouts
Bontrager Barbegazi Team Issue, Tubeless Ready, 120tpi, aramid bead, 26x4.7"
Shimano Deore, 10 speed
SRAM X5, low direct mount
Shimano Deore, Shadow Plus
Race Face Ride, 36/22
Shimano HG50, 11-36, 10 speed
Bontrager Evoke 1.5
Bontrager alloy, 2-bolt head, 31.6mm, 8mm offset
Bontrager alloy, 31.8mm, 15mm rise
Bontrager Elite, 31.8mm, 7 degree, Blendr compatible
FSA IS-2, E2, sealed alloy cartridge
Sram DB1 hydraulic disc
1038 W. 4th St.