2025 Unno Horn Factory Small
Build
700C/29 in × 2.25 in
Insights
Average stack and reach vs trend of full-suspension cross-country mtb bikes
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 591mm |
| Reach | 420mm |
| Stack to Reach Ratio | 1.41:1 |
| Seat Tube Length, C-T | 410mm |
| Top Tube Length, Effective/Horizontal HT Top | 545.6mm |
| Top Tube Slope | 20.3deg |
| Head Tube Angle | 66deg |
| Seat Tube Angle | 73.5deg |
| Head Tube Length | 95mm |
| Bottom Bracket Drop | 50mm |
| Bottom Bracket Height | 318.2mm |
| Chainstay Length Horizontal | 435mm |
| Front-Center | 710.8mm |
| Front-Center Horizontal | 709mm |
| Wheelbase | 1144mm |
| Fork Offset/Rake | 44mm |
| Trail | 115.8mm very high |
| Mechanical Trail | 105.8mm |
| Wheel Flop | 43mm |
| Standover Height | 736mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 172.6mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 148.2mm |
Factory Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 2.25in |
| Tire Outer Diameter | 736.3mm |
| Bike Length with Tires | 1880.3mm |
| Crank Length | 170mm |
| Handlebar Width | 176mm |
| Stem Length | 60mm |
| Suspension Type | Full suspension |
| Bar Type | Flat Bar |
| Fork Travel | 120mm |
| Rear Travel | 110mm |
| Suspension Sag | Unknown |
| Frame Material | Carbon/Composite |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Published Sizing Recommendations
| Height | 155 cm to 170 cm |
Source:https://www.unno.com/horn/factory-fa