2019 Bird Bikes Zero29 130mm XL
Build
700C/29 in × 2.6 in
Insights
Somewhat upright stack and reach vs trend of hardtail trail mtb bikes
Design deviates from other sizes of Bird Bikes Zero29
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Stack and Reach vs. Category Trend
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Geometry
| Stack | 670mm |
| Reach | 507mm |
| Stack to Reach Ratio | 1.32:1 |
| Seat Tube Length, C-T | 500mm |
| Top Tube Length, Effective/Horizontal HT Top | 680mm |
| Top Tube Slope | 16.4deg |
| Head Tube Angle | 64.3deg |
| Seat Tube Angle | 74deg |
| Head Tube Length | 130mm |
| Bottom Bracket Drop | 80mm |
| Bottom Bracket Height | 297mm |
| Chainstay Length | 440mm |
| Chainstay Length Horizontal | 432.7mm |
| Front-Center | 822.2mm |
| Front-Center Horizontal | 818.3mm |
| Wheelbase | 1251mm |
| Fork Offset/Rake | 42mm |
| Fork Length (Axle-To-Crown) | 541mm |
| Trail | 134.9mm very high |
| Mechanical Trail | 121.5mm |
| Wheel Flop | 52.7mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 275.2mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 127mm |
130mm Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 2.6in |
| Tire Outer Diameter | 754.1mm |
| Bike Length with Tires | 2005.1mm |
| Crank Length | 170mm |
| Handlebar Width | 760mm |
| Stem Length | 40mm |
| Suspension Type | Hardtail (Front suspension) |
| Bar Type | Flat Bar |
| Fork Travel | Unknown |
| Suspension Sag | Unknown |
| Frame Material | Aluminum |
| Fork Material | Unknown |
| Brake Type | Disc |
Published Sizing Recommendations
| Height | 188 cm to |
Source:https://www.bird.bike/wp-content/uploads/2018/11/Zero-29-2019-Technical-Data-Sheet.svg