2021 TWITTER Bikes R7 Base

	54
Stack	610.5mm
Reach	407.3mm
Stack to Reach Ratio	1.5:1
Seat Tube Length, C-T	540mm
Top Tube Length, Effective/Horizontal Center	593.9mm
Top Tube Slope	9.5deg
Head Tube Angle	73.5deg
Seat Tube Angle	73deg
Head Tube Length	190mm
Bottom Bracket Drop	70mm
Bottom Bracket Height	281mm
Chainstay Length	420mm
Chainstay Length Horizontal	414.1mm
Front-Center	628.7mm
Front-Center Horizontal	624.9mm
Wheelbase	1039mm
Fork Offset/Rake	55mm
Fork Length (Axle-To-Crown)	390mm
Trail	46.6mm mid/neutral
Mechanical Trail	44.7mm
Wheel Flop	12.7mm
Tire to Pedal Spindle	107.7mm 170 mm cranks
Pedal Spindle to Ground Clearance	111mm 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.

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Source:Taobao

Geometry