2021 Stern Q-stom Base

	50
Stack	550mm
Reach	410mm
Stack to Reach Ratio	1.34:1
Seat Tube Length, C-T	500mm
Top Tube Length, Effective/Horizontal HT Top	568mm
Top Tube Slope	8.1deg
Head Tube Angle	72deg
Seat Tube Angle	73deg
Head Tube Length	100mm
Bottom Bracket Drop	65mm
Bottom Bracket Height	271mm
Chainstay Length	430mm
Chainstay Length Horizontal	425.1mm
Front-Center	598.5mm
Front-Center Horizontal	594.9mm
Wheelbase	1020mm
Fork Offset/Rake	26mm
Fork Length (Axle-To-Crown)	430mm
Trail	81.8mm very high
Mechanical Trail	77.8mm
Wheel Flop	24.1mm
Tire to Pedal Spindle	92.5mm 170 mm cranks
Pedal Spindle to Ground Clearance	101mm 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:self measured

Geometry