2021 Otso Cycles Fenrir Base
- Category
- Rigid MTB
- Design
- Flat Bar, Rigid, non-suspension corrected
- Frame
- Steel
- Fork
- Carbon/Composite
- Features
- Disc brake, Single-speed capable
Geometry
XS | S | M | L | XL | |
Stack | 595mm | 605mm | 623mm | 642mm | 660mm |
Reach | 387mm | 403mm | 416mm | 428mm | 441mm |
Stack to Reach Ratio | 1.54:1 | 1.5:1 | 1.5:1 | 1.5:1 | 1.5:1 |
Seat Tube Length, Unknown | 360mm | 400mm | 450mm | 490mm | 530mm |
Top Tube Length, Effective/Horizontal Center | 547mm | 565mm | 583mm | 600mm | 618mm |
Top Tube Slope | 27.3deg | 23.4deg | 19.5deg | 16.9deg | 14.4deg |
Head Tube Angle | 68deg | 68deg | 68deg | 68deg | 68deg |
Seat Tube Angle | 75deg | 75deg | 75deg | 75deg | 75deg |
Head Tube Length | 90mm | 100mm | 120mm | 140mm | 160mm |
Bottom Bracket Drop | 68mm | 68mm | 68mm | 68mm | 68mm |
Bottom Bracket Height | 304mm | 304mm | 304mm | 304mm | 304mm |
Chainstay Length | 430mm | 430mm | 430mm | 430mm | 430mm |
Chainstay Length Horizontal | 424.6mm | 424.6mm | 424.6mm | 424.6mm | 424.6mm |
Front-Center | 668.9mm | 688.8mm | 708.7mm | 728.6mm | 748.5mm |
Front-Center Horizontal | 665.4mm | 685.4mm | 705.4mm | 725.4mm | 745.4mm |
Wheelbase | 1090mm | 1110mm | 1130mm | 1150mm | 1170mm |
Fork Offset/Rake | 51mm | 51mm | 51mm | 51mm | 51mm |
Fork Length, Unknown | 495mm | 495mm | 495mm | 495mm | 495mm |
Trail | 95.3mm very high | 95.3mm very high | 95.3mm very high | 95.3mm very high | 95.3mm very high |
Mechanical Trail | 88.3mm | 88.3mm | 88.3mm | 88.3mm | 88.3mm |
Wheel Flop | 33.1mm | 33.1mm | 33.1mm | 33.1mm | 33.1mm |
Standover Height | 754mm | 777mm | 810mm | 838mm | 866mm |
Tire to Pedal Spindle | 126.9mm 170 mm cranks | 146.8mm 170 mm cranks | 166.7mm 170 mm cranks | 186.6mm 170 mm cranks | 206.6mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 134mm 170 mm cranks | 134mm 170 mm cranks | 134mm 170 mm cranks | 134mm 170 mm cranks | 134mm 170 mm cranks |
Base Build
XS | S | M | L | XL | |
Wheel Size | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 2.4in | 2.4in | 2.4in | 2.4in | 2.4in |
Tire Outer Diameter | 743.9mm | 743.9mm | 743.9mm | 743.9mm | 743.9mm |
Bike Length with Tires | 1833.9mm | 1853.9mm | 1873.9mm | 1893.9mm | 1913.9mm |
Published Sizing Recommendations
Height | 4 ft 10 in to 5 ft 4 in | 5 ft 2 in to 5 ft 7 in | 5 ft 6 in to 5 ft 11 in | 5 ft 10 in to 6 ft 3 in | 6 ft 2 in to 6 ft 6 in |
Stack and Reach vs. Category Trend
Very Upright
Somewhat Upright
Average
Somewhat Aggressive
Very Aggressive
The Bike Insights Upright/Aggressive scale is based on analysis of a bike’s proportions relative to similar sized bikes in the same category.
Learn more about the Upright/Aggressive ScaleCategory Trend
Rigid MTBSource:https://otsocycles.com/collections/fenrir-stainless