2023 MMR Bikes Grand Tour 70

	S	M	L	XL	XXL
Stack	536mm	546mm	567mm	581mm	598mm
Reach	360mm	372mm	377mm	387mm	397mm
Stack to Reach Ratio	1.49:1	1.47:1	1.5:1	1.5:1	1.51:1
Seat Tube Length, Unknown	440mm	475mm	500mm	520mm	545mm
Top Tube Length, Effective/Horizontal Center	494mm	511mm	526mm	546mm	562mm
Top Tube Slope	13.2deg	10.1deg	9.6deg	8.8deg	7.9deg
Head Tube Angle	71deg	71.5deg	72.5deg	72.5deg	72.5deg
Seat Tube Angle	74deg	74deg	73.5deg	73deg	73deg
Head Tube Length	135mm	150mm	165mm	180mm	200mm
Bottom Bracket Drop	72mm	72mm	72mm	72mm	70mm
Bottom Bracket Height	267mm	267mm	267mm	267mm	269mm
Chainstay Length	410mm	410mm	410mm	410mm	410mm
Chainstay Length Horizontal	403.6mm	403.6mm	403.6mm	403.6mm	404mm
Front-Center	580.9mm	587.8mm	583.8mm	598.7mm	615mm
Front-Center Horizontal	576.4mm	583.4mm	579.4mm	594.4mm	611mm
Wheelbase	980mm	987mm	983mm	998mm	1015mm
Fork Offset/Rake	53.5mm	50.1mm	44.2mm	44.7mm	45.3mm
Trail	60.1mm mid/neutral	60.7mm mid/neutral	60.6mm mid/neutral	60mm mid/neutral	59.3mm mid/neutral
Mechanical Trail	56.9mm	57.5mm	57.8mm	57.2mm	56.6mm
Wheel Flop	18.5mm	18.3mm	17.4mm	17.2mm	17mm
Tire to Pedal Spindle	71.9mm 170 mm cranks	78.8mm 170 mm cranks	74.8mm 170 mm cranks	89.7mm 170 mm cranks	106mm 170 mm cranks
Pedal Spindle to Ground Clearance	97mm 170 mm cranks	97mm 170 mm cranks	97mm 170 mm cranks	97mm 170 mm cranks	99mm 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://mmrbikes.com/en/products/grand-tour-1?variant=44973995196689

Geometry