2025 Just Bikes JB05 Base
- Category
- Progressive Gravel
- Design
- Drop Bar, Hardtail (Front suspension)
- Frame
- Steel
- Fork
- Steel
- Features
- Rim brake
Average stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Somewhat upright stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Somewhat upright stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry |
Geometry
53cm | 55cm | 57cm | |
Stack | 556mm | 572mm | 582mm |
Reach | 391mm | 393mm | 402mm |
Stack to Reach Ratio | 1.42:1 | 1.46:1 | 1.45:1 |
Seat Tube Length, C-T | 535mm | 550mm | 570mm |
Top Tube Length, Effective/Horizontal Center | 550mm | 562mm | 566mm |
Top Tube Length, Actual C-C | 538mm | 552mm | 557mm |
Top Tube Slope | 5.3deg | 4.2deg | 3.5deg |
Head Tube Angle | 72deg | 72deg | 72deg |
Seat Tube Angle | 74deg | 74deg | 73.5deg |
Head Tube Length | 150mm | 160mm | 185mm |
Bottom Bracket Drop | 60mm | 67mm | 67mm |
Bottom Bracket Height | 296mm | 289mm | 289mm |
Chainstay Length | 425mm | 425mm | 425mm |
Chainstay Length Horizontal | 420.7mm | 419.7mm | 419.7mm |
Front-Center | 602.3mm | 609mm | 614mm |
Front-Center Horizontal | 599.3mm | 605.3mm | 610.3mm |
Wheelbase | 1020mm | 1025mm | 1030mm |
Fork Offset/Rake | 45mm | 45mm | 45mm |
Fork Length (Axle-To-Crown) | 389mm | 389mm | 389mm |
Trail | 68.4mm high | 68.4mm high | 68.4mm high |
Mechanical Trail | 65mm | 65mm | 65mm |
Wheel Flop | 20.1mm | 20.1mm | 20.1mm |
Tire to Pedal Spindle | 76.3mm 170 mm cranks | 83mm 170 mm cranks | 88mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 126mm 170 mm cranks | 119mm 170 mm cranks | 119mm 170 mm cranks |
Base Build
53cm | 55cm | 57cm | |
Wheel Size | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 45mm | 45mm | 45mm |
Tire Width Max | 45mm | 45mm | 45mm |
Tire Outer Diameter | 712mm | 712mm | 712mm |
Bike Length with Tires | 1732mm | 1737mm | 1742mm |
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
Progressive GravelSource:https://just-bikes.de/products/just-bikes-jb05-canti-gravel-cross-stahl-rahmenset-mit-stahl-gabel-qr