Otso Arctodus Ti SLX


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The Otso Arctodus Ti SLX is a premium titanium fat bike designed for the rigors of winter exploration and harsh terrains. Built to handle extreme conditions, this bike combines versatility, strength, and durability for an exceptional riding experience.


The Otso Arctodus Ti SLX is a high-performance titanium fat bike built for extreme winter conditions and rugged trails. It features a lightweight titanium frame, adjustable geometry through the Tuning Chip™ dropout system, and can accommodate up to 26″ x 5.05″ or 27.5″ x 4.5″ tires. Equipped with a Shimano SLX 12-speed drivetrain and Shimano Deore hydraulic disc brakes, it offers smooth shifting and powerful stopping power, making it perfect for versatile off-road adventures​.


Frame and Fork: Constructed with a lightweight titanium frame and equipped with a Lithic full carbon fork, the Arctodus Ti SLX is both strong and resilient. The frame includes the Tuning Chip™ dropout system for adjustable geometry.

Tire Clearance: Designed to accommodate massive tires, it fits 26″ x 5.05″ and 27.5″ x 4.5″ tires, providing optimal handling on loose trails.

Adjustable Geometry: The patented Tuning Chip rear dropout system allows for customizable wheelbase length, bottom bracket height, and head tube angle, enabling precise tuning for various trail conditions.

Drivetrain: Features a Shimano SLX M7100 12-speed drivetrain, ensuring smooth and reliable shifting.

Brakes: Equipped with Shimano Deore BR-6100 hydraulic disc brakes for robust stopping power.

Components: Includes a Race Face Aeffect crankset, Wolf Tooth CAMO 32T chainring, and WTB Volt 142mm saddle, ensuring comfort and performance.

Wheels and Tires: Comes with Lithic Cryolite 100 wheels and Schwalbe Al Mighty 26×4.8 tires, offering excellent traction and stability.



  • Frame: Titanium with Tuning Chip™️ dropout system
  • Fork: Lithic full carbon fork, 15mm thru axle


  • Wheel Size: 26″
  • Rims: Lithic Cryolite 100, 97mm inner width
  • Front Hub: 150x15mm thru axle
  • Rear Hub: 197x12mm thru axle
  • Tires: Schwalbe Al Mighty 26×4.8


  • Rear Derailleur: Shimano SLX M7100, 12-speed
  • Shifter: Shimano SLX M7100, 12-speed
  • Crank: Race Face Aeffect, Wolf Tooth CAMO 32T round chainring (170mm for S and M, 175mm for L and XL)
  • Bottom Bracket: Race Face, BSA 100mm
  • Cassette: Shimano SLX M7100, 10-51T, 12-speed
  • Chain: Shimano SLX 12-speed


  • Brakeset: Shimano Deore BR-6100 hydraulic disc brakes
  • Rotors: 160mm native, 180mm max (front and rear)


  • Handlebar: Aluminum, 31.8mm x 780mm, 20mm rise
  • Stem: Aluminum +/- 7 degrees (60mm S, 70mm M, 80mm L, 90mm XL)
  • Headset: Wolf Tooth Performance headset (ZS44 upper, EC44 lower)
  • Grips: Wolf Tooth Fat Paw Grips, black
  • Saddle: WTB Volt 142mm
  • Seatpost: Aluminum, 31.6mm x 400mm
  • Seatpost Clamp: Wolf Tooth, 34.9mm


  • Tire Clearance:
    • Frame: Up to 26″ x 5.05″, 27.5″ x 4.5″
    • Fork: Up to 26″ x 5.4″ on a 100mm rim
  • Geometry:
    • Axle-to-Crown: 485mm (suspension corrected for 100-120mm travel forks)
    • Fork Offset: 51mm
  • Weight: Approximately 32 lbs (size M, tubeless)


  • Size: Small, Medium, Large, X-Large
  • Recommended Rider Height:
    • Small: 4’9″ – 5’5″
    • Medium: 5’5″ – 5’9″
    • Large: 5’9″ – 6’1″
    • X-Large: 6’1″ – 6’7″
  • Recommended Rider Inseam:
    • Small: 29″ – 32″
    • Medium: 31″ – 33″
    • Large: 32″ – 35″
    • X-Large: 34″ – 37″
  • Effective Top Tube:
    • Small: 589mm
    • Medium: 610mm
    • Large: 632mm
    • X-Large: 663mm
  • Nominal Head Tube Angle: 68.5°
  • Tuning Chip Induced Head/Seat Tube Angle Change: ±0.2°



Warranty Coverage:

  • All Otso frames are warranted against defects in materials and workmanship for 5 years from the date of retail purchase.
  • This warranty applies to the original owner only and is not transferable.
  • Please keep your sales receipt or order number for any warranty claims to ensure a quick resolution.

What’s Not Covered:

  • Damage from improper assembly, maintenance, or user/assembler inexperience.
  • Modifications, neglect, misuse, competition, commercial use, or accidents.
  • Installation of incompatible components, parts, or accessories.
  • Normal wear and tear, or damage to paint, surface finish, or aesthetics.
  • Compatibility of original components with a replacement frame is not guaranteed.
  • Costs for labor, parts removal, refitting, or re-adjustment, including wheel rebuilds.

Claim Process:

  • Warranty claims are limited to the repair or replacement of the defective frame, at Otso’s discretion.
  • This warranty does not cover incidental or consequential damages.

Legal Information:

  • This warranty gives you specific legal rights, which may vary based on location. It does not affect your statutory rights.