Shifting
Mechanical
706 of 1,977 bicycles with this information use electronic shifting.
Otso Fenrir Steel Drop Bar SRAM Rival GX AXS Mullet 1x12
Otso Fenrir Steel Drop Bar SRAM Rival GX AXS Mullet 1x12
- $4,200
- Rigid
- 29″
- 1 × 12
- Steel
- Hydraulic disc
Not published by the manufacturer
- Sizes and geometry
Components
Parts found in a manufacturer catalog show their brand, model and key numbers, and the steps show how precisely they are identified: brand, series, model, or the exact product. The info button has every detail and the text the manufacturer published.
Frame and fork
-
Frame
Otso custom butted 4130 Chromoly tubing with UDH-compatible dropouts
Drivetrain
-
Bottom bracket
-
Crankset
S-650
Brakes
-
Brakes
BR-RX400
-
Disc rotors
Flat mount 160mm native, flat to post mount adapter available for both 160mm and 180mm rotors
Wheels and tires
-
Rims
Cockpit and contact points
-
Handlebar
Lithic Aventurine 40cm
-
Headset
ZS44/28.6 upper, EC44/40.0 lower
-
Seatpost
Aluminum, 31.6 x 400mm, 8mm offset
Specifications
Frame and fork
- Intended fit
-
- Unisex
- Frame material
-
- Steel
- Frame weight
-
- 3.05 kg
- 6.7 lb
- Weight limit
-
- 124.74 kg
- 275.0 lb
Suspension
- Suspension configuration
-
- Rigid
Drivetrain
- Front chainrings
-
- 1
- Rear sprockets
-
- 12
Wheels and brakes
- Wheel configuration
-
- Same size
- Brake type
-
- Hydraulic disc
Fit and controls
- Derailleur hanger
-
- UDH
- Seatpost
-
- Rigid seatpost
- Shifting
-
- Mechanical
Additional specifications
- Bottom bracket standard
-
- BSA
- Tire clearance
-
- Maximum tire width: 2.6″
- Wheel material
-
- Aluminum
- Wheel size
-
- 29″
Technical analysis
How these figures sit among bicycles of the same class and model year. Context, not a ranking.
Lineup changes
The published facts that differ across this family's builds and from the same model a year earlier. Missing information never counts as zero.
Differences across 2026 builds
Other models in this family
Published versions from the same family and model year.
Fenrir Steel Drop Bar SRAM Rival GX AXS Mullet 1x12
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