Bike-on-Bike
Medium (80mm Fork)
Default Config
Insights
Average stack and reach vs trend of hardtail trail mtb bikes
Design deviates from other sizes of Niner Bikes SIR 9
Geometry
Stack | 612mm | — |
Reach | 425mm | — |
Stack to Reach Ratio | 1.44:1 | — |
Seat Tube Length, C-T | 419mm | — |
Top Tube Length, Effective/Horizontal Center | 603mm | — |
Top Tube Slope | 21.2deg | — |
Head Tube Angle | 71.3deg | — |
Seat Tube Angle | 74deg | — |
Head Tube Length | 110mm | — |
Bottom Bracket Drop | 62mm | — |
Bottom Bracket Height | 308.7mm | — |
Chainstay Length | 440mm | — |
Chainstay Length Horizontal | 435.6mm | — |
Front-Center | 658mm | — |
Front-Center Horizontal | 653.4mm | — |
Wheelbase | 1089mm | — |
Fork Offset/Rake | 40mm | — |
Trail | 83.3mm very high | — — |
Mechanical Trail | 78.9mm | — |
Wheel Flop | 25.3mm | — |
Standover Height | 728mm | — |
Tire to Pedal Spindle | 117.3mm 170 mm cranks | — |
Pedal Spindle to Ground Clearance | 138.7mm 170 mm cranks | — |
Build
Wheel Size | 700C/29 in 622 mm BSD | — — |
Tire Width | 2.35in | — |
Tire Outer Diameter | 741.4mm | — |
Bike Length with Tires | 1830.4mm | — |
| Suspension Type | Hardtail (Front suspension) | — |
| Bar Type | Flat Bar | — |
| Fork Travel | 100mm | — |
| Rear Travel | Unknown | — |
| Suspension Sag | 20% | — |
| Frame Material | Steel | — |
| Fork Material | Aluminum | — |
| Brake Type | Disc | — |
| Features | Single-speed capable | — |
Meta
| Actions | — | |
| Source | https://geometrygeeks.bike/bike/niner-sir-9-v2/ | — |
| Brand | — | |
| Bike | — | |
| Size | — | |
| Category | — |