Otso Arctodus Ti Frame 2025
2025 Mountain
Estimate price |
3,545$
Weight | 2.43 kg 
Bike details
Overview
Key information split into simple groups.
Frame summary
-
-
Frame Titanium -
Brakes Hydraulic Disc
Sizing
Recommended size guide.
SM
144cm - 167cm
MD
164cm - 177cm
LG
174cm - 187cm
XL
184cm - 200cm
Parts list
Components
Main components, grouped by system.
Bike components
Frame
Frame
Titanium with Tuning Chip™? dropout system
Suspension Fork
No Fork
Drivetrain
Bottom Bracket
100mm BSA threaded
Brakes
Brakes
74mm post (160mm native, 180mm max)
Cockpit
Headset
ZS44 upper, EC44 lower
Seat
Seatpost
Ø31.6mm, accommodates internally routed dropper post
Fit data
Geometry
Numbers for sizing and ride feel.
| Size | SM | MD | LG | XL |
|---|---|---|---|---|
| Stack Reach Ratio | 1.463 mm | 1.395 mm | 1.356 mm | 1.377 mm |
| Bottom Bracket Height | 263 mm | 263 mm | 263 mm | 263 mm |
| Front Center | 691 mm | 712 mm | 734 mm | 769 mm |
| Rake | 51 mm | 51 mm | 51 mm | 51 mm |
| Trail | 94 mm | 94 mm | 94 mm | 94 mm |
| Stack | 607 mm | 607 mm | 617 mm | 654 mm |
| Reach | 415 mm | 435 mm | 455 mm | 475 mm |
| Top Tube Length | 589 mm | 610 mm | 632 mm | 663 mm |
| Seat Tube Length | 380 mm | 420 mm | 465 mm | 510 mm |
| Head Tube Angle | 68.5 ° | 68.5 ° | 68.5 ° | 68.5 ° |
| Head Tube Length | 90 mm | 90 mm | 100 mm | 140 mm |
| Chainstay Length | 440 mm | 440 mm | 440 mm | 440 mm |
| Wheelbase | 1119 mm | 1140 mm | 1162 mm | 1197 mm |
| Bottom Bracket Drop | 80 mm | 80 mm | 80 mm | 80 mm |
| Standover Height | 707 mm | 736 mm | 773 mm | 810 mm |
| Wheels | 26" | 26" | 26" | 26" |
| Rider Min Height | 144 cm | 164 cm | 174 cm | 184 cm |
| Rider Max Height | 167 cm | 177 cm | 187 cm | 200 cm |