2012 Niner Bikes SIR 9 Frameset (29" wheels) XL
Build
700C/29 in × 2.4 in
Insights
Very upright stack and reach vs trend of hardtail trail mtb bikes
Stack and Reach vs. Category Trend
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Geometry
| Stack | 671mm |
| Reach | 436mm |
| Stack to Reach Ratio | 1.54:1 |
| Seat Tube Length, C-T | 546mm |
| Top Tube Length, Effective/Horizontal HT Top | 647mm |
| Top Tube Slope | 14deg |
| Head Tube Angle | 70.3deg |
| Seat Tube Angle | 73.3deg |
| Head Tube Length | 145mm |
| Bottom Bracket Drop | 49mm |
| Bottom Bracket Height | 323mm |
| Chainstay Length | 440mm |
| Chainstay Length Horizontal | 437.3mm |
| Front-Center | 701mm |
| Front-Center Horizontal | 697.7mm |
| Wheelbase | 1135mm |
| Fork Offset/Rake | 51mm |
| Trail | 79mm high |
| Mechanical Trail | 74.4mm |
| Wheel Flop | 25.1mm |
| Standover Height | 842mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 159mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 153mm |
Frameset (29" wheels) Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 2.4in |
| Tire Outer Diameter | 743.9mm |
| Bike Length with Tires | 1878.9mm |
| Stem Length | 40mm |
| Suspension Type | Hardtail (Front suspension) |
| Bar Type | Flat Bar |
| Fork Travel | 80mm |
| Suspension Sag | 20% |
| Frame Material | Steel |
| Fork Material | Unknown |
| Brake Type | Disc |
| Features | Single-speed capable |
Published Sizing Recommendations
| Height | 6 ft 3 in to 6 ft 7 in |
Source:https://reviews.mtbr.com/new-niner-s-i-r-9-and-imba-limited-edition-auction