Otso Fenrir Stainless Drop Bar

$4,119.99

Free shipping on bicycles priced over $1500 (within the lower 48).

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The Otso Fenrir Stainless Drop Bar is perfect for adventurers and bikepackers who crave durability on rugged trails and gravel roads with a drop bar setup.


Overview

Designed with a custom-butted stainless steel frame, adjustable geometry, large tires up to 29” x 2.6” or 27.5” x 2.8”, and multiple mounts for gear, the Otso Fenrir Stainless Drop Bar is perfect for long-distance touring and bikepacking. The drop bar configuration offers multiple hand positions and aerodynamic benefits, suitable for faster and longer rides on mixed terrain​.

XS S M L XL
Recommended rider height 4’10”-5’4″ 5’3″-5’7″ 5’7″-5’11” 5’11”-6’3″ 6’3″-6’6″
Effective top tube 547mm 565mm 583mm 600mm 618mm
Nominal head tube angle 68° 68° 68° 68° 68°
Tuning Chip induced head/seat tube angle change ±0.2° ±0.2° ±0.2° ±0.2° ±0.2°
Head tube length 90mm 100mm 120mm 140mm 160mm
Nominal seat tube angle 75° 75° 75° 75° 75°
Seat tube length 360mm 400mm 450mm 490mm 530mm
Bottom bracket drop 68-72mm 68-72mm 68-72mm 68-72mm 68-72mm
Chainstay length 430-450mm 430-450mm 430-450mm 430-450mm 430-450mm
Wheelbase 1090-1110mm 1110-1120mm 1130-1150mm 1150-1170mm 1170-1190mm
Trail 88mm 88mm 88mm 88mm 88mm
Fork offset 51mm 51mm 51mm 51mm 51mm
Rigid fork axle to crown length 495mm 495mm 495mm 495mm 495mm
Stack 595mm 605mm 623mm 642mm 660mm
Reach 387mm 403mm 416mm 428mm 441mm
Standover 754mm 777mm 810mm 838mm 866mm

Features

Custom-Butted Stainless Steel Frame: Provides a smooth, durable ride with excellent corrosion resistance.

Adjustable Geometry: The Tuning Chip™ system allows customization of the wheelbase, bottom bracket height, and head tube angle for optimized handling on various terrains.

Wide Tire Clearance: Fits tires up to 29” x 2.6” or 27.5” x 2.8”, making it suitable for gravel and rugged trails.

Multiple Mounts for Gear: Equipped with numerous mounts on the frame and fork for carrying racks, fenders, and gear, ideal for long-distance touring and bikepacking.

Drop Bar Configuration: Designed for a capable and confident gravel bike setup, perfect for handling mixed terrain with ease.

Specs

Most components can be customized at time of order, contact us!

DROP BAR FLAT BAR
Frame Custom butted austenitic stainless steel frame Custom butted austenitic stainless steel frame
Fork Carbon Lithic Mountain Fork, 15mm thru axle Carbon Lithic Mountain Fork, 15mm thru axle
Headset Wolf Tooth Performance Headset Wolf Tooth Performance Headset
Rear derailleur Shimano GRX 812 1x, 11-speed Shimano SLX M7100, 12-speed
Front derailleur N/A N/A
Shifters Shimano GRX 600 mechanical, 11-speed Shimano SLX M7100, 12-speed
Cassette Shimano SLX M7000, 11-42T, 11-speed Shimano SLX M7100, 10-51T, 12-speed
Brakes Shimano RX400 Hydraulic Shimano Deore BR-6100
Cranks Race Face Aeffect, 34T Chainring Race Face Aeffect, 34T Chainring
Handlebar Lithic Corundum aluminum compact drop with 16° flare Aluminum, 31.8mm x 780mm, 20mm rise
Tape / Grips Anti-Slip Gel Bar Tape Wolf Tooth Grips
Wheels DT Swiss M1900 29″ DT Swiss M1900 29″
Tires Maxxis Aspen 29×2.4 WT TR EXO Schwalbe Racing Ralph 29×2.35 Super Ground
Frame Sizes XS, S, M, L, XL XS, S, M, L, XL

Warranty

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.