2020 Donnelly Cycling G//C Force

Design
Drop Bar, Rigid, non-suspension corrected
Frame
Carbon/Composite
Fork
Carbon/Composite
Features
Disc brake
Somewhat aggressive stack and reachvs category
Average stack and reachvs category
Average stack and reachvs category
Somewhat upright stack and reachvs category
Somewhat upright stack and reachvs category

Geometry

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

Force Build

XS
S
M
L
XL
Wheel Size
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
Tire Width
40mm
40mm
40mm
40mm
40mm
Tire Width Max
45mm
45mm
45mm
45mm
45mm
Tire Outer Diameter
702mm
702mm
702mm
702mm
702mm
Bike Length with Tires
1728mm
1729mm
1729mm
1734mm
1743mm
Crank Length
170mm
170mm
172.5mm
172.5mm
175mm
Handlebar Width
40cm
42cm
44cm
44cm
46cm
Stem Length
80mm
80mm
90mm
90mm
100mm
Stem Angle
-6deg
-6deg
-6deg
-6deg
-6deg

Stack and Reach vs. Category Trend

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.

Learn more about the Upright/Aggressive Scale
Category Trend
All-road/Gravel
Source:https://www.donnellycycling.com/collections/gravel-bikes/products/g-c-force-1