2026 Ibis Cycles Inc. Oso S
- Category
- Full-suspension Trail MTB
- Design
- Flat Bar, Full suspension
- Frame
- Carbon/Composite
- Suspension
- 140mm fork travel, 130mm rear travel
- Features
- Disc brake, E-bike
Average stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Average stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Average stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Average stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Average stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry |
Geometry
SM | MD | XM | LG | XL | |
Stack | 614mm | 625mm | 634mm | 644mm | 656mm |
Reach | 445mm | 467mm | 489mm | 513mm | 536mm |
Stack to Reach Ratio | 1.38:1 | 1.34:1 | 1.3:1 | 1.26:1 | 1.22:1 |
Seat Tube Length, C-T | 381mm | 381mm | 405mm | 432mm | 450mm |
Top Tube Length, Effective/Horizontal HT Top | 579mm | 604mm | 624mm | 646mm | 665mm |
Head Tube Angle | 63.9deg | 64.7deg | 64.4deg | 64.4deg | 64.4deg |
Effective Seat Tube Angle, Unknown | 77.7deg | 77.7deg | 77.9deg | 78.4deg | 78.9deg |
Head Tube Length | 99mm | 109mm | 121mm | 136mm | 152mm |
Bottom Bracket Drop | 44mm | 41mm | 41mm | 38mm | 35mm |
Bottom Bracket Height | 330.5mm | 333.5mm | 333.5mm | 336.5mm | 339.5mm |
Chainstay Length | 456mm | 456mm | 457mm | 457mm | 457mm |
Chainstay Length Horizontal | 453.9mm | 454.2mm | 455.2mm | 455.4mm | 455.7mm |
Front-Center | 774.4mm | 792.9mm | 821.9mm | 852.4mm | 883mm |
Front-Center Horizontal | 773.1mm | 791.9mm | 820.8mm | 851.6mm | 882.3mm |
Wheelbase | 1227mm | 1246mm | 1276mm | 1307mm | 1338mm |
Fork Offset/Rake | 43.9mm | 44.1mm | 43mm | 43.5mm | 44mm |
Trail | 134.6mm very high | 128.2mm very high | 131.7mm very high | 131.2mm very high | 130.6mm very high |
Mechanical Trail | 120.9mm | 115.9mm | 118.8mm | 118.3mm | 117.8mm |
Wheel Flop | 53.2mm | 49.6mm | 51.3mm | 51.1mm | 50.9mm |
Standover Height | 684mm | 697mm | 722mm | 733mm | 750mm |
Tire to Pedal Spindle | 239.9mm 160 mm cranks | 258.4mm 160 mm cranks | 287.4mm 160 mm cranks | 317.9mm 160 mm cranks | 348.5mm 160 mm cranks |
Pedal Spindle to Ground Clearance | 170.5mm 160 mm cranks | 173.5mm 160 mm cranks | 173.5mm 160 mm cranks | 176.5mm 160 mm cranks | 179.5mm 160 mm cranks |
S Build
SM | MD | XM | LG | 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 | 2.5in | 2.5in | 2.5in | 2.5in | 2.5in |
Tire Outer Diameter | 749mm | 749mm | 749mm | 749mm | 749mm |
Bike Length with Tires | 1976mm | 1995mm | 2025mm | 2056mm | 2087mm |
Crank Length | 160mm | 160mm | 160mm | 160mm | 160mm |
Published Sizing Recommendations
Height | 5 ft 0 in to 5 ft 6 in | 5 ft 5 in to 5 ft 9 in | 5 ft 8 in to 6 ft 0 in | 5 ft 11 in to 6 ft 3 in | 6 ft 2 in to 6 ft 7 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
Full-suspension Trail MTBSource:www.ibiscycles.com