2022 Just Bikes JB04 Base

	53cm	55cm	53cm	57cm
Stack	550mm	568mm	556mm	582mm
Reach	380mm	387mm	391mm	406mm
Stack to Reach Ratio	1.45:1	1.47:1	1.42:1	1.43:1
Seat Tube Length, C-T	530mm	550mm	535mm	570mm
Top Tube Length, Effective/Horizontal Unknown	563mm	576mm	550mm	585mm
Top Tube Slope	4.6deg	4.4deg	4.4deg	3.7deg
Head Tube Angle	72deg	72deg	72deg	72deg
Seat Tube Angle	73deg	73deg	74deg	73deg
Head Tube Length	155mm	155mm	150mm	165mm
Bottom Bracket Drop	70mm	70mm	60mm	70mm
Bottom Bracket Height	281mm	281mm	310.7mm	281mm
Chainstay Length	435mm	435mm	425mm	435mm
Chainstay Length Horizontal	429.3mm	429.3mm	420.7mm	429.3mm
Front-Center	607.7mm	614.7mm	602.3mm	634.5mm
Front-Center Horizontal	603.7mm	610.7mm	599.3mm	630.7mm
Wheelbase	1033mm	1040mm	1020mm	1060mm
Fork Offset/Rake	50mm	45mm	45mm	45mm
Fork Length, Unknown	408mm	408mm	—	408mm
Trail	61.5mm mid/neutral	66.7mm high	73.1mm high	66.7mm high
Mechanical Trail	58.5mm	63.5mm	69.6mm	63.5mm
Wheel Flop	18.1mm	19.6mm	21.5mm	19.6mm
Tire to Pedal Spindle	86.7mm 170 mm cranks	93.7mm 170 mm cranks	61.6mm 170 mm cranks	113.5mm 170 mm cranks
Pedal Spindle to Ground Clearance	111mm 170 mm cranks	111mm 170 mm cranks	140.7mm 170 mm cranks	111mm 170 mm cranks

	53cm	55cm	53cm	57cm
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	40mm	40mm	2.35in	40mm
Tire Outer Diameter	702mm	702mm	741.4mm	702mm
Bike Length with Tires	1735mm	1742mm	1761.4mm	1762mm

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 Scale

Category Trend

All-road/Gravel

Source:https://just-bikes.de/collections/rahmensets/products/just-bikes-jb06-gravel-stahl-rahmenset-stahl-gabel-12-achsen-flat-mount-crmo?variant=53608279671160, Vasil Lalov

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2022 Just Bikes JB04 Base

Geometry

Base Build

Stack and Reach vs. Category Trend