2022 Bird Bikes Forge 160mm Fork
- Category
- Hardtail All-mountain/Enduro MTB
- Design
- Flat Bar, Hardtail (Front suspension)
- Frame
- Steel
- Suspension
- 160mm fork travel, 30% sag
- Features
- Disc brake
Geometry
Medium | Medium Long | Large | Extra Large | |
Stack | 654mm | 663mm | 672mm | 681mm |
Reach | 449mm | 473mm | 496mm | 518mm |
Stack to Reach Ratio | 1.46:1 | 1.4:1 | 1.35:1 | 1.31:1 |
Seat Tube Length, C-T | 395mm | 420mm | 445mm | 470mm |
Top Tube Length, Effective/Horizontal HT Top | 605mm | 630mm | 655mm | 680mm |
Head Tube Angle | 65.2deg | 65.2deg | 65.2deg | 65.2deg |
Effective Seat Tube Angle, ETT HT Top | 76.2deg | 76.2deg | 76.2deg | 76.2deg |
Seat Tube Exit Angle | 74.4deg | 74.4deg | 74.4deg | 74.4deg |
Head Tube Length | 100mm | 110mm | 120mm | 130mm |
Bottom Bracket Drop | 83mm | 83mm | 83mm | 83mm |
Bottom Bracket Height | 294mm | 294mm | 294mm | 294mm |
Chainstay Length | 430mm | 430mm | 435mm | 435mm |
Chainstay Length Horizontal | 421.9mm | 421.9mm | 427mm | 427mm |
Front-Center | 765.6mm | 792.5mm | 819.2mm | 846.1mm |
Front-Center Horizontal | 761.1mm | 788.1mm | 815mm | 842mm |
Wheelbase | 1183mm | 1210mm | 1242mm | 1269mm |
Fork Offset/Rake | 42mm | 42mm | 42mm | 42mm |
Fork Length (Axle-To-Crown) | 523mm | 523mm | 523mm | 523mm |
Trail | 128mm very high | 128mm very high | 128mm very high | 128mm very high |
Mechanical Trail | 116.2mm | 116.2mm | 116.2mm | 116.2mm |
Wheel Flop | 48.7mm | 48.7mm | 48.7mm | 48.7mm |
Tire to Pedal Spindle | 218.6mm 170 mm cranks | 245.4mm 170 mm cranks | 272.2mm 170 mm cranks | 299mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 124mm 170 mm cranks | 124mm 170 mm cranks | 124mm 170 mm cranks | 124mm 170 mm cranks |
160mm Fork Build
Medium | Medium Long | Large | Extra Large | |
Wheel Size | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 2.6in | 2.6in | 2.6in | 2.6in |
Tire Width Max | 2.6in | 2.6in | 2.6in | 2.6in |
Tire Outer Diameter | 754.1mm | 754.1mm | 754.1mm | 754.1mm |
Bike Length with Tires | 1937.1mm | 1964.1mm | 1996.1mm | 2023.1mm |
Stack and Reach vs. Category Trend
Very Upright
Somewhat Upright
Average
Somewhat Aggressive
Very Aggressive
The Bike Insights Upright/Aggressive scale is based on analysis of a bike’s proportions relative to similar sized bikes in the same category.
Learn more about the Upright/Aggressive ScaleCategory Trend
Hardtail All-mountain/Enduro MTBSource:https://www.bird.bike/wp-content/uploads/2022/03/Forge-Full-1.png