2020 Donnelly Cycling G//C Force

	XS	S	M	L	XL
Stack	538mm	557mm	568mm	589mm	606mm
Reach	375mm	375mm	377mm	380mm	384mm
Stack to Reach Ratio	1.43:1	1.49:1	1.51:1	1.55:1	1.58:1
Seat Tube Length, C-T	480mm	510mm	530mm	550mm	570mm
Top Tube Length, Effective/Horizontal HT Top	525mm	535mm	545mm	560mm	575mm
Top Tube Slope	8.5deg	7.4deg	6.5deg	6.7deg	6.4deg
Head Tube Angle	70.5deg	71deg	71.5deg	72deg	72deg
Seat Tube Angle	74.5deg	74deg	73.5deg	73deg	72.5deg
Head Tube Length	120mm	140mm	150mm	170mm	190mm
Bottom Bracket Drop	67mm	67mm	67mm	67mm	67mm
Bottom Bracket Height	284mm	284mm	284mm	284mm	284mm
Chainstay Length	435mm	435mm	435mm	435mm	435mm
Chainstay Length Horizontal	429.8mm	429.8mm	429.8mm	429.8mm	429.8mm
Front-Center	599.9mm	600.9mm	600.9mm	605.9mm	614.9mm
Front-Center Horizontal	600mm	601mm	601mm	606mm	615mm
Wheelbase	1026mm	1027mm	1027mm	1032mm	1041mm
Fork Offset/Rake	50mm	50mm	50mm	50mm	50mm
Trail	71.3mm high	68mm high	64.7mm mid/neutral	61.5mm mid/neutral	61.5mm mid/neutral
Mechanical Trail	67.2mm	64.3mm	61.4mm	58.5mm	58.5mm
Wheel Flop	22.4mm	20.9mm	19.5mm	18.1mm	18.1mm
Standover Height	776mm	804mm	823mm	840mm	853mm
Tire to Pedal Spindle	78.9mm 170 mm cranks	79.9mm 170 mm cranks	77.4mm 172.5 mm cranks	82.4mm 172.5 mm cranks	88.9mm 175 mm cranks
Pedal Spindle to Ground Clearance	114mm 170 mm cranks	114mm 170 mm cranks	111.5mm 172.5 mm cranks	111.5mm 172.5 mm cranks	109mm 175 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.donnellycycling.com/collections/gravel-bikes/products/g-c-force-1

Geometry