2026 Bergamont Grandurance RD

	S	M	L	XL	XXL
Stack	560mm	579mm	598mm	617mm	636mm
Reach	380mm	390mm	400mm	410mm	420mm
Stack to Reach Ratio	1.47:1	1.48:1	1.5:1	1.5:1	1.51:1
Seat Tube Length, C-T	485mm	510mm	535mm	560mm	585mm
Top Tube Length, Effective/Horizontal Center	530mm	545mm	560mm	575mm	590mm
Top Tube Slope	10.3deg	9.4deg	8.6deg	7.8deg	7.1deg
Head Tube Angle	70deg	70deg	70deg	70deg	70deg
Seat Tube Angle	75deg	75deg	75deg	75deg	75deg
Head Tube Length	120mm	140mm	160mm	180mm	200mm
Bottom Bracket Drop	70mm	70mm	70mm	70mm	70mm
Bottom Bracket Height	281mm	281mm	281mm	281mm	281mm
Chainstay Length	435mm	435mm	435mm	435mm	435mm
Chainstay Length Horizontal	429.3mm	429.3mm	429.3mm	429.3mm	429.3mm
Front-Center	615.7mm	632.6mm	649.5mm	665.4mm	682.3mm
Front-Center Horizontal	611.7mm	628.7mm	645.7mm	661.7mm	678.7mm
Wheelbase	1041mm	1058mm	1075mm	1091mm	1108mm
Fork Offset/Rake	50mm	50mm	50mm	50mm	50mm
Fork Length, Unknown	420mm	420mm	420mm	420mm	420mm
Trail	74.5mm high	74.5mm high	74.5mm high	74.5mm high	74.5mm high
Mechanical Trail	70.1mm	70.1mm	70.1mm	70.1mm	70.1mm
Wheel Flop	24mm	24mm	24mm	24mm	24mm
Standover Height	776mm	798mm	820mm	841mm	930mm
Tire to Pedal Spindle	94.7mm 170 mm cranks	111.6mm 170 mm cranks	128.5mm 170 mm cranks	144.4mm 170 mm cranks	161.3mm 170 mm cranks
Pedal Spindle to Ground Clearance	111mm 170 mm cranks	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://www.bergamont.com/global/en/product/bergamont-grandurance-rd-30?article=4252235576006

Geometry