Bike-on-Bike
Medium (100mm 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 | 619mm | — |
Reach | 415mm | — |
Stack to Reach Ratio | 1.49:1 | — |
Seat Tube Length, C-T | 419mm | — |
Top Tube Length, Effective/Horizontal Center | 607mm | — |
Top Tube Slope | 22.1deg | — |
Head Tube Angle | 70.3deg | — |
Seat Tube Angle | 73deg | — |
Head Tube Length | 110mm | — |
Bottom Bracket Drop | 64.9mm | — |
Bottom Bracket Height | 305.8mm | — |
Chainstay Length | 440mm | — |
Chainstay Length Horizontal | 435.2mm | — |
Front-Center | 664mm | — |
Front-Center Horizontal | 660.8mm | — |
Wheelbase | 1096mm | — |
Fork Offset/Rake | 44.7mm | — |
Trail | 85.3mm very high | — — |
Mechanical Trail | 80.3mm | — |
Wheel Flop | 27.1mm | — |
Standover Height | 733mm | — |
Tire to Pedal Spindle | 123.3mm 170 mm cranks | — |
Pedal Spindle to Ground Clearance | 135.8mm 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 | 1837.4mm | — |
| 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/ | — |
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