Bike-on-Bike
XL (80mm Fork)
Default Config
Insights
Somewhat upright stack and reach vs trend of hardtail trail mtb bikes
Design deviates from other sizes of Niner Bikes SIR 9
Geometry
Stack | 645mm | — |
Reach | 454mm | — |
Stack to Reach Ratio | 1.42:1 | — |
Seat Tube Length, C-T | 546mm | — |
Top Tube Length, Effective/Horizontal Center | 641mm | — |
Top Tube Slope | 11.2deg | — |
Head Tube Angle | 71.3deg | — |
Seat Tube Angle | 74deg | — |
Head Tube Length | 145mm | — |
Bottom Bracket Drop | 65.5mm | — |
Bottom Bracket Height | 305.2mm | — |
Chainstay Length | 440mm | — |
Chainstay Length Horizontal | 435.1mm | — |
Front-Center | 692mm | — |
Front-Center Horizontal | 688.9mm | — |
Wheelbase | 1124mm | — |
Fork Offset/Rake | 36.7mm | — |
Trail | 86.7mm very high | — — |
Mechanical Trail | 82.2mm | — |
Wheel Flop | 26.3mm | — |
Standover Height | 831mm | — |
Tire to Pedal Spindle | 151.3mm 170 mm cranks | — |
Pedal Spindle to Ground Clearance | 135.2mm 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 | 1865.4mm | — |
| 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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