Bike-on-Bike
Extra Large
Default Config
Insights
Somewhat upright stack and reach vs trend of hardtail all-mountain/enduro mtb bikes
Design deviates from other sizes of Bird Bikes Forge
Geometry
Stack | 681mm | — |
Reach | 518mm | — |
Stack to Reach Ratio | 1.31:1 | — |
Seat Tube Length, C-T | 470mm | — |
Top Tube Length, Effective/Horizontal HT Top | 680mm | — |
Head Tube Angle | 65.8deg | — |
Effective Seat Tube Angle, ETT HT Top | 76.8deg | — |
Head Tube Length | 130mm | — |
Bottom Bracket Drop | 87mm | — |
Bottom Bracket Height | 290mm | — |
Chainstay Length | 435mm | — |
Chainstay Length Horizontal | 426.2mm | — |
Front-Center | 847.3mm | — |
Front-Center Horizontal | 842.8mm | — |
Wheelbase | 1269mm | — |
Fork Offset/Rake | 42mm | — |
Fork Length (Axle-To-Crown) | 509mm | — |
Trail | 123.4mm very high | — — |
Mechanical Trail | 112.6mm | — |
Wheel Flop | 46.1mm | — |
Tire to Pedal Spindle | 300.2mm 170 mm cranks | — |
Pedal Spindle to Ground Clearance | 120mm 170 mm cranks | — |
Build
Wheel Size | 700C/29 in 622 mm BSD | — — |
Tire Width | 2.6in | — |
Tire Outer Diameter | 754.1mm | — |
Bike Length with Tires | 2023.1mm | — |
| Suspension Type | Hardtail (Front suspension) | — |
| Bar Type | Flat Bar | — |
| Fork Travel | 140mm | — |
| Rear Travel | Unknown | — |
| Suspension Sag | 30% | — |
| Frame Material | Steel | — |
| Fork Material | Unknown | — |
| Brake Type | Disc | — |
Meta
| Actions | — | |
| Source | https://www.bird.bike/wp-content/uploads/2022/03/Forge-Full-1.png | — |
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