Otso Warakin Ti Frame


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The Warakin is an all-road adventure bike with a durable, lightweight 3/2.5 B338 grade 9 titanium frame featuring a beautiful brushed finish and bead-blasted graphics, designed to maintain its luster and withstand the harshest conditions.


The Warakin is an all-road adventure bike. The frame is built using seamless 3/2.5 B338 grade 9 titanium. The three front triangle tubes are internally double butted to reduce weight while maintaining strength and stifness. The frame has a beautiful brushed finish with bead-blasted graphics. The unparalleled durability and corrosion resistance of titanium allow this frame to maintain its luster even after riding through the harshest of conditions.


Premium Titanium Construction: Made from 3Al-2.5V B338 grade 9 titanium, the frame is both lightweight and strong, offering a responsive and comfortable ride.

Adjustable Geometry: The Tuning Chip™ dropout system allows customization of the wheelbase and bottom bracket height, enhancing handling for various terrains and riding styles.

Versatile Tire Clearance: Fits 700c x 50mm, 650b x 50mm, and 29″ x 2.1″ tires, making it suitable for a range of riding conditions from gravel to trails.

Superior Ride Quality: Titanium’s natural vibration-damping properties provide a smooth ride, reducing fatigue over long distances and rough surfaces.


Frame and Geometry:

  • Frame Material: Seamless 3Al-2.5V B338 grade 9 titanium, internally butted front triangle
  • Bottom Bracket Standard: 68mm BSA threaded
  • Headset: ZS44/28.6 upper, EC44/40.0 lower
  • Seatpost Diameter: 27.2mm
  • Internal Dropper Post Routing: Yes, with an exit port at the bottom of the seat tube
  • Seatpost Clamp: 31.8mm


  • Q-Factor: 146mm with Shimano RS510 crankset
  • Maximum Chainring Size:
    • 2x: 53T round
    • 1x: 50T round or 46T oval
  • Front Derailleur Type: 31.8mm clamp, bottom pull

Axles and Hubs:

  • Front/Rear Hub Standard: 100x12mm thru axle (front), 142x12mm thru axle (rear)
  • Front Axle: 12x125mm, TP=1.5, TL=15mm
  • Rear Axle: 12x180mm, TP=1.5, TL=12mm

Brakes and Rotors:

  • Derailleur Hanger: Wolf Tooth Tuning Chip Right Dropout
  • Rear Brake (Rotor): Flat mount, 74mm post mount adapter available (160mm)
  • Front Brake (Rotor): Flat mount native, 74mm post mount adapter available (160mm)

Fork and Clearance:

  • Fork Axle-to-Crown: 420mm
  • Fork Offset: 47mm
  • Fork Weight (Lithic Hiili): 490g
  • Tire Clearance (Frame): 40mm at 420mm chainstay position, 50mm at 430/440mm chainstay positions
  • Tire Clearance (Fork): Max clearance 29×2.1″ (54-622)

Additional Features:

  • Frame Weight (54cm): 3.4 lbs. (1542g)
  • Braze-Ons: Three bottle mounts, fender mounts, rack mounts, cable clamps, two three-pack mounts on fork
  • Max Weight (Rider + Gear): 275 lbs.
  • Max Spacer Stack Under Stem: 40mm
  • Max Spacer Stack Above Stem: 10mm
  • Max Stem Bolt Torque: 6 Nm

Seatpost Insertion Depth:

  • 49cm: 280mm
  • 52cm: 310mm
  • 54cm: 290mm
  • 56cm: 290mm
  • 58cm: 310mm
  • 60cm: 330mm


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.