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FAT BIKES IN STOCK FOR RENT AND PURCHASE NOW!

Enjoy the winter wonderland of Jackson Hole and Teton Valley on a Kona Wo or Kona Woo Fat bike. Peruse our 2025 Wheel Wranglers Fat bike Lookbook for inspiration! Fat bikes & accessories in store now! Take out one of our Winter Fat Bike Rentals to give fatbiking a try or join us on a Guided Fat Bike Tour on the Caribou-Targhee National Forest in Teton Valley, Idaho! Trailhead delivery available at select locations.

Fat Bike Rentals Available at Wheel Wranglers Jackson and Wheel Wranglers Victor.

Stop by the shop, give us a call at 307-690-2799, or email at info@wheelwranglers.com

BOOK FAT BIKE RENTALS + TRAILHEAD DELIVERY

BOOK A GUIDED FAT BIKE TOUR

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BMC Kaius 01 Four

$5,799.00

Available to Order

was ~~$6,499.00~~ Save 11%

Carbon frame, carbon wheels, 1x Transmission AXS Xplr 13spd, 700x40 tubeless, hydraulic disc

Out of stock, available for pre-order

Product Details

Brand: BMC

Designed for speed and built for tough terrain. Comes with ICS cable integration and CG 40 carbon wheels and the newest SRAM Rival AXS XPLR.

Gravel Racing, Redefined. The Kaius 01 is the result of BMC’s obsession with gravel speed. Engineered in the Impec Lab with cutting-edge carbon technology, it’s purpose-built for competitive gravel racing. Its race-optimized geometry delivers the ideal mix of stiffness, low weight, and compliance - enhancing traction, stability, and climbing efficiency across demanding terrain. With the RSM01 stem featuring ICS cable integration and our new aluminum HB-D4-03 handlebar, our Aerocore design, this bike cuts through the wind and charges ahead. Equipped with top-tier components like the newest SRAM Rival AXS XPLR, and CG 40 carbon wheels, the Kaius 01 is ready to chase podiums and push boundaries on every ride.

Frameset

Cockpit

Stem:
BMC RSM 01 | Integrated Cockpit System Technology

Handlebar:
BMC HB D4 03, 0, 12 | Alloy 6061 | Endurance Geometry | 125mm drop, 70mm reach, 12° flare

Seat

Seatpost:
Kaius 01 Premium Carbon D-Shaped Seatpost | 15mm Offset | D-Fender Compatible

Saddle:
Fizik Vento Argo X5 | 140mm

Drivetrain

Crankset:
SRAM Rival XPLR AXS Wide (FC-RIV-1W-E1)

Chainrings:
42T

Cassette:
SRAM Rival XPLR (CS-XG-1351-E1)

Cassette Size:
10-46T

Chain:
SRAM Rival (CN-RIV-E1)

Rear Derailleur:
SRAM Rival XPLR AXS (RD-RIV-1E-E1)

Shifters:
SRAM Rival AXS (ED-RIV-E1)

Gears:
1 x 13

Bottom Bracket:
SRAM Press Fit DUB

Brakes

Brake Levers / Calipers:
SRAM Rival AXS (ED-RIV-E1)

Rotors:
SRAM Paceline | Centerlock

Rotor Size (F/R):
160 / 160mm

Wheels

Rims:
CG 40 Carbon | Tubeless Ready | 40mm

Hubs (F/R):
CG 40

Tires:
Pirelli Cinturato Gravel H | 40mm

Tubeless Information:
Tubeless Rim | Tubeless Tires

Accessories

In the Box:
Aerocore Design Carbon Bottle Cages

Additional Information

Tire Clearance:
44mm measured tire

Weight without Pedals:
8.3kg | Size 54 as pictured with all accessories

ASTM Classification:
Level 2

System Weight Limit:
120kg

General Product Safety Regulation (GPSR):
Safety Instructions GPSR (EU)

Responsible person according to GPSR (EU

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BMC Kaius 01 Four

Explore the Tetons on a Guided Fat Bike Tour

Explore Jackson Hole and Teton Valley on fatbikes with an expert local guide! Experience the incredible winter wonderland with amazing views of the snow-capped Teton Mountain Range. Learn about local wildlife, geology and natural history with a local.

Time: 3-5 hours. Custom designed tour based on your goals.

What’s Included:

High Quality Fat Bike w/ 4.8″ tires
Helmet with warm cap
Wheel Wranglers Water Bottle
Lunch
Transportation
Local Guide

BOOK A GUIDED FAT BIKE TOUR

Best Places To Fat Bike In Jackson Hole and Teton Valley!

The Jackson Hole, Wyoming and Teton Valley, Idaho (Victor/Driggs and Alta, WY) have lots of great places to ride a fat bike! Check out our partner organizations Jackson Hole Nordic Alliance, Friends of Pathways and Teton Valley Trails and Pathways for ideas, trail/route descriptions, and grooming reports!