2021 Transition Bikes PBJ Base
- Category
- BMX/Dirt Jump
- Design
- BMX Bar, Hardtail (Front suspension)
- Frame
- Steel
- Suspension
- 100mm fork travel
- Features
- Disc brake, Single-speed capable
Somewhat upright 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 | Somewhat aggressive stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry |
Geometry
SHORT | LONG | X-LONG | |
Stack | 569mm | 569mm | 569mm |
Reach | 415mm | 440mm | 465mm |
Stack to Reach Ratio | 1.37:1 | 1.29:1 | 1.22:1 |
Seat Tube Length, Unknown | 338mm | 338mm | 338mm |
Top Tube Length, Effective/Horizontal Unknown | 600mm | 625mm | 650mm |
Top Tube Slope | 25.5deg | 24.5deg | 23.5deg |
Head Tube Angle | 68.5deg | 68.5deg | 68.5deg |
Seat Tube Angle | 72deg | 72deg | 72deg |
Head Tube Length | 110mm | 110mm | 110mm |
Bottom Bracket Drop | 20mm | 20mm | 20mm |
Bottom Bracket Height | 317.9mm | 317.9mm | 317.9mm |
Chainstay Length | 388mm | 388mm | 400mm |
Chainstay Length Horizontal | 387.5mm | 387.5mm | 399.5mm |
Front-Center | 674.8mm | 699.8mm | 724.8mm |
Front-Center Horizontal | 674.5mm | 699.5mm | 724.5mm |
Wheelbase | 1062mm | 1087mm | 1124mm |
Fork Offset/Rake | 40mm | 40mm | 40mm |
Trail | 90.1mm very high | 90.1mm very high | 90.1mm very high |
Mechanical Trail | 83.9mm | 83.9mm | 83.9mm |
Wheel Flop | 30.7mm | 30.7mm | 30.7mm |
Tire to Pedal Spindle | 166.9mm 170 mm cranks | 191.9mm 170 mm cranks | 216.9mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 147.9mm 170 mm cranks | 147.9mm 170 mm cranks | 147.9mm 170 mm cranks |
Base Build
SHORT | LONG | X-LONG | |
Wheel Size | 26 in 559 mm BSD | 26 in 559 mm BSD | 26 in 559 mm BSD |
Tire Width | 2.3in | 2.3in | 2.3in |
Tire Outer Diameter | 675.8mm | 675.8mm | 675.8mm |
Bike Length with Tires | 1737.8mm | 1762.8mm | 1799.8mm |
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
BMX/Dirt JumpSource:https://www.transitionbikes.com/Bikes_PBJ.cfm