2024 Motobecane 1923-73 Team Champion Base

	50cm	53cm	55cm	58cm
Stack	549mm	570mm	586mm	609mm
Reach	373mm	371mm	386mm	389mm
Stack to Reach Ratio	1.47:1	1.54:1	1.52:1	1.57:1
Seat Tube Length, Unknown	500mm	530mm	550mm	580mm
Top Tube Length, Actual C-C	530mm	540mm	560mm	575mm
Top Tube Slope	7.6deg	6.8deg	6.3deg	5.6deg
Head Tube Angle	69.5deg	70deg	71.5deg	71.5deg
Seat Tube Angle	74deg	73.5deg	73deg	73deg
Head Tube Length	115mm	135mm	150mm	170mm
Bottom Bracket Drop	75mm	75mm	75mm	75mm
Bottom Bracket Height	274mm	274mm	274mm	274mm
Chainstay Length	435mm	435mm	435mm	435mm
Chainstay Length Horizontal	428.5mm	428.5mm	428.5mm	428.5mm
Front-Center	605.7mm	607mm	608.6mm	622.7mm
Front-Center Horizontal	601mm	602.3mm	603.9mm	618.1mm
Wheelbase	1029.5mm	1030.8mm	1032.4mm	1046.6mm
Fork Offset/Rake	47.6mm	48.1mm	44.5mm	47.8mm
Trail	79.7mm high	75.9mm high	69.8mm high	66.3mm high
Mechanical Trail	74.7mm	71.3mm	66.2mm	62.9mm
Wheel Flop	26.1mm	24.4mm	21mm	20mm
Tire to Pedal Spindle	86.7mm 170 mm cranks	88mm 170 mm cranks	89.6mm 170 mm cranks	103.7mm 170 mm cranks
Pedal Spindle to Ground Clearance	104mm 170 mm cranks	104mm 170 mm cranks	104mm 170 mm cranks	104mm 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://motobecanebikes.com/gravel/1923-73-team-champion---orange-pg-2426

Geometry