Name: 2026 Motobecane 1976-26 TR3 Base
Brand: Motobecane

	50cm	53cm	55cm	58cm
Stack	550mm	571mm	591mm	610mm
Reach	372mm	372mm	379mm	388mm
Stack to Reach Ratio	1.48:1	1.53:1	1.56:1	1.57:1
Seat Tube Length, C-T	500mm	530mm	550mm	580mm
Top Tube Length, Effective/Horizontal HT Top	530mm	541mm	560mm	575mm
Top Tube Slope	7.8deg	6.9deg	6.9deg	5.7deg
Head Tube Angle	69.5deg	70deg	71.5deg	71.5deg
Seat Tube Angle	74deg	73.5deg	73deg	73deg
Head Tube Length	100mm	120mm	135mm	155mm
Bottom Bracket Drop	75mm	75mm	75mm	75mm
Bottom Bracket Height	281mm	281mm	281mm	281mm
Chainstay Length	435mm	435mm	435mm	435mm
Chainstay Length Horizontal	428.5mm	428.5mm	428.5mm	428.5mm
Front-Center	606.2mm	608.2mm	607.2mm	623mm
Front-Center Horizontal	601.5mm	603.5mm	602.5mm	618.5mm
Wheelbase	1030mm	1032mm	1031mm	1047mm
Fork Offset/Rake	48.6mm	47.9mm	48.2mm	48.8mm
Trail	81.2mm very high	78.6mm high	68.3mm high	67.6mm high
Mechanical Trail	76mm	73.9mm	64.7mm	64.1mm
Wheel Flop	26.6mm	25.3mm	20.5mm	20.3mm
Tire to Pedal Spindle	80.2mm 170 mm cranks	82.2mm 170 mm cranks	81.2mm 170 mm cranks	97mm 170 mm cranks
Pedal Spindle to Ground Clearance	111mm 170 mm cranks	111mm 170 mm cranks	111mm 170 mm cranks	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.

Category Trend

Source:https://motobecanevelos.fr/gravel/1976-26-tr3---argent-pg-2613

2026 Motobecane 1976-26 TR3 Base

Geometry