2025 Pivot Cycles Firebird 29 29" High
- Design
- Flat Bar, Full suspension
- Frame
- Carbon/Composite
- Suspension
- 170mm fork travel, 165mm rear travel
Average stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Average stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Average stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Average stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry |
Geometry
SM | MD | LG | XL | |
Stack | 619mm | 630mm | 639mm | 648mm |
Reach | 449mm | 472mm | 489mm | 509mm |
Stack to Reach Ratio | 1.38:1 | 1.33:1 | 1.31:1 | 1.27:1 |
Seat Tube Length, C-T | 385mm | 415mm | 440mm | 475mm |
Top Tube Length, Unknown | 594mm | 599mm | 633mm | 655mm |
Head Tube Angle | 64.2deg | 64.2deg | 64.2deg | 64.2deg |
Seat Tube Angle, Unknown | 77.75deg | 77.75deg | 77.75deg | 77.75deg |
Head Tube Length | 95mm | 108mm | 118mm | 128mm |
Bottom Bracket Drop | 17mm | 17mm | 17mm | 17mm |
Bottom Bracket Height | 355mm | 355mm | 355mm | 355mm |
Chainstay Length | 430mm | 432mm | 434mm | 437mm |
Chainstay Length Horizontal | 429.7mm | 431.7mm | 433.7mm | 436.7mm |
Front-Center | 787.5mm | 816.5mm | 837.5mm | 862.5mm |
Front-Center Horizontal | 787.3mm | 816.3mm | 837.3mm | 862.3mm |
Wheelbase | 1217mm | 1248mm | 1271mm | 1299mm |
Fork Offset/Rake | 44mm | 44mm | 44mm | 44mm |
Trail | 130.9mm very high | 130.9mm very high | 130.9mm very high | 130.9mm very high |
Mechanical Trail | 117.9mm | 117.9mm | 117.9mm | 117.9mm |
Wheel Flop | 51.3mm | 51.3mm | 51.3mm | 51.3mm |
Standover Height | 692mm | 697mm | 719mm | 720mm |
Tire to Pedal Spindle | 245.6mm 170 mm cranks | 274.6mm 170 mm cranks | 295.6mm 170 mm cranks | 320.5mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 185mm 170 mm cranks | 185mm 170 mm cranks | 185mm 170 mm cranks | 185mm 170 mm cranks |
29" High Build
SM | MD | LG | XL | |
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 | 2.4in | 2.4in | 2.4in | 2.4in |
Tire Outer Diameter | 743.9mm | 743.9mm | 743.9mm | 743.9mm |
Bike Length with Tires | 1960.9mm | 1991.9mm | 2014.9mm | 2042.9mm |
Published Sizing Recommendations
Height | 157 cm to 173 cm | 173 cm to 183 cm | 180 cm to 193 cm | 185 cm to |
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
Full-suspension All-mountain/Enduro MTBSource:https://www.pivotcycles.com/en-us/products/firebird-pro-xt-di2-29?Size=LG&Color=White+Gold&Wheels=DT+Swiss+XM1700+w%2F+DT+Swiss+350+hub