2020 Radon Bikes Jab Base

	S	M	L	XL
Stack	587mm	597mm	606mm	619mm
Reach	429mm	448mm	466mm	482mm
Stack to Reach Ratio	1.37:1	1.33:1	1.3:1	1.28:1
Seat Tube Length, C-T	395mm	425mm	455mm	490mm
Top Tube Length, Effective/Horizontal Center	576mm	598mm	620mm	642mm
Top Tube Slope	21.1deg	18.5deg	15.9deg	13.5deg
Head Tube Angle	64.7deg	64.7deg	64.7deg	64.7deg
Seat Tube Angle	74.1deg	74.1deg	74.1deg	74.1deg
Head Tube Length	100mm	110mm	120mm	135mm
Bottom Bracket Drop	10mm	10mm	10mm	10mm
Bottom Bracket Height	343mm	343mm	343mm	343mm
Chainstay Length	428mm	428mm	428mm	428mm
Chainstay Length Horizontal	427.9mm	427.9mm	427.9mm	427.9mm
Front-Center	742.2mm	765.2mm	787.2mm	810.2mm
Front-Center Horizontal	742.1mm	765.1mm	787.1mm	810.1mm
Wheelbase	1170mm	1193mm	1215mm	1238mm
Fork Offset/Rake	36.5mm	35.8mm	35.6mm	36.4mm
Trail	126.5mm very high	127.2mm very high	127.5mm very high	126.6mm very high
Mechanical Trail	114.3mm	115mm	115.2mm	114.5mm
Wheel Flop	48.9mm	49.2mm	49.2mm	48.9mm
Standover Height	727mm	745mm	760mm	781mm
Tire to Pedal Spindle	219.2mm 170 mm cranks	242.2mm 170 mm cranks	264.2mm 170 mm cranks	287.2mm 170 mm cranks
Pedal Spindle to Ground Clearance	173mm 170 mm cranks	173mm 170 mm cranks	173mm 170 mm cranks	173mm 170 mm cranks

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.

Category Trend

Source:https://www.radon-bikes.de/mountainbike/fullsuspension/jab/jab-90-2020/

Geometry