Bontrager Gnarwhal 27.5 x 4.5"
Tubeless-ready and studdable for grip on snow and ice.
A premium fat bike for snowy trails and winter adventures, with racks and bags included.
Usually ready in 24 hours
Color: Mercury , Size: L
Pickup available, usually ready in 24 hours
179 Leva Avenue
103B
Red Deer County AB T4E 1B9
Canada
Farley 9 is the ultimate fat bike for the explorer who doesn't want to hold back. What sets this Farley apart is its fully-equipped, frame-specific package of racks and bags for loading up with everything you need to get way, way beyond the beaten path. Extra-wide 4.5-inch tires give you amazing traction over loose terrain and progressive trail geometry gives you extra stability and efficient pedaling. The frame and fork are loaded with extra mounts for adding even more accessories.
Winter ready
Huge 4.5" tires float over snow, and they're studdable for ice.
Tubeless-ready and studdable for grip on snow and ice.
Light and tough, with a carbon fork to save weight up front.
Powerful hydraulic brakes for steep, snowy descents.
Lower the saddle for control on technical descents.
Adventure ready
The Farley 9 comes with custom front and rear racks, a full-frame bag and a compression harness.
Custom Farley racks, colour matched to the frame.
An Adventure Boss frame bag and a compression harness for gear.
A wide 11–50 range for slow, steep winter climbs.
Size & fit
Enter your height to get a size recommendation, or come in and we'll fit you in person.
Enter your height and we'll recommend a frame size.
| Size | Rider height | Inseam |
|---|---|---|
| S | 5'1" – 5'5" (155–165 cm) | 29–31" (74–78 cm) |
| M | 5'5" – 5'10" (165–177 cm) | 31–33" (79–83 cm) |
| L | 5'10" – 6'2" (177–188 cm) | 33–35" (84–89 cm) |
| XL | 6'2" – 6'5" (188–195 cm) | 35–36" (89–91 cm) |
Sizing is a guide. Reach, arm length and riding style matter too, so a quick test ride is the best way to confirm.
Between sizes or unsure? Book a fitting or test ride and we'll help you choose.
| Frame size | S | M | L | XL |
|---|---|---|---|---|
| A – Seat tube | 380 mm | 420 mm | 450 mm | 490 mm |
| Effective seat tube angle | 74.0° | 74.0° | 74.0° | 74.0° |
| C – Head tube length | 90 mm | 100 mm | 115 mm | 130 mm |
| D – Head angle | 68.5° | 68.5° | 68.5° | 68.5° |
| E – Effective top tube | 565 mm | 598 mm | 633 mm | 672 mm |
| G – Bottom bracket drop | 65 mm | 65 mm | 65 mm | 65 mm |
| H – Chainstay length | 450 mm | 450 mm | 450 mm | 450 mm |
| I – Fork offset | 42 mm | 42 mm | 42 mm | 42 mm |
| J – Trail | 107 mm | 107 mm | 107 mm | 107 mm |
| K – Wheelbase | 1097 mm | 1131 mm | 1166 mm | 1207 mm |
| L – Standover | 730 mm | 740 mm | 760 mm | 780 mm |
| M – Reach | 400 mm | 430 mm | 460 mm | 495 mm |
| N – Stack | 589 mm | 599 mm | 613 mm | 626 mm |
| Wheel size | 27.5" | 27.5" | 27.5" | 27.5" |
Specifications
Specs from Trek and subject to change. Weights are for the size listed.
Gear up
Gear up for winter rides.