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2023 Otso

Fenrir Ti Frameset

A titanium frame gravel frameset with high-end components and hydraulic disc brakes.

Manufacturer Price

$3,550
Weight4.0 lbs (frame)  
FrameTitanium
SuspensionRigid
ForkENVE
Wheels29″
GroupsetGRX 800, GRX 600
BrakesHydraulic Disc
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Insights
Sizing
XS

4'9" – 5'5"

SM

5'2" – 5'8"

MD

5'6" – 6'0"

LG

5'10" – 6'4"

XL

6'2" – 6'6"

Rider Fit Notes

None yet.

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Reviews
BIKEPACKING.com
Otso Fenrir Ti Review

Jul 2023 · Neil Beltchenko

Find our complete Otso Fenrir Ti review after 550 miles of use while bikepacking, gravel grinding, and trail riding in Utah and Colorado...

Highs
  • Has more MTB steering characteristics (more trail) than most drop-bar MTBs, so it holds a line better and feels more stable

  • Tune-able geometry with tuning chip, which also allows the bike to be post or flat mount

  • Very comfortable ride quality without sacrificing performance

  • Good tire clearance for 29 x 2.6″ rubber (and should easily fit 2.8″ in rear tuning chip position)

  • Pretty light for a metal bike at 23.45 pounds naked with pedals

  • Loads of mounts and bikepacking provisions

Lows
  • Funky sizing and build options

  • Complexity and options can be frustrating to dial in the bike

  • Dropper should be standard, and 31.6 diameter post is overkill

  • Expensive

  • 1x-specific will be an issue for some folks

  • The middle tuning chip should be included

Read Review

Geometry
Specs
Build
Frame

3Al/2.5V B338 grade 9 titanium

BB StandardBSA, 73mm, Threaded

Tire Clearance2.3"

Fork

Carbon Enve Mountain Fork, 15mm thru axle

Bottom Bracket

Shimano english thread BSA, Ø73mm

Headset

ZS44/28.6 upper, EC44/40.0 lower

Handlebar

Lithic Corundum aluminum compact drop with 16° flare

Seatpost

Ø31.6mm

TypeRigid

Groupset
Rear Derailleur

Shimano GRX 810, 11-speed

Front Derailleur

N/A

Crank

Race Face Aeffect

Shifters

Shimano GRX 600, 11-speed

Cassette

Shimano SLX, 11-46T, 11-speed

Brakes

Flat mount, 74mm post mount available(160mm)

TypeHydraulic Disc

Wheels
Tires

Maxxis Aspen 29" x 2.4"

Disc Rotors

Flat mount, 74mm post mount available(160mm)

Rider Notes
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First added February 7

Last updated September 11

Not listed for 994 days