2018 All-City Cycles Gorilla Monsoon Base

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

Geometry

43cm
46cm
49cm
52cm
55cm
58cm
61cm
Stack
525mm
542mm
556mm
579mm
597mm
621mm
644.7mm
Reach
357mm
363mm
369mm
372mm
381mm
389mm
401mm
Stack to Reach Ratio
1.47:1
1.49:1
1.51:1
1.56:1
1.57:1
1.6:1
1.61:1
Seat Tube Length, C-TTT
440mm
470mm
500mm
535mm
565mm
595mm
625mm
Top Tube Length, Effective/Horizontal HT Top
505mm
520mm
535mm
555mm
565mm
585mm
605mm
Top Tube Slope
9.7deg
8.1deg
6.3deg
5.2deg
3.9deg
3.4deg
2.8deg
Head Tube Angle
70.25deg
71deg
71deg
71.5deg
71.5deg
71.5deg
71.5deg
Seat Tube Angle
74.5deg
74deg
73.5deg
73deg
73deg
72.5deg
72.5deg
Head Tube Length
95mm
110mm
125mm
145mm
165mm
190mm
215mm
Bottom Bracket Drop
71.5mm
71.5mm
71.5mm
71.5mm
71.5mm
71.5mm
71.5mm
Bottom Bracket Height
281.5mm
281.5mm
281.5mm
281.5mm
281.5mm
281.5mm
281.5mm
Chainstay Length
430mm
430mm
430mm
430mm
430mm
430mm
430mm
Chainstay Length Horizontal
424mm
424mm
424mm
424mm
424mm
424mm
424mm
Front-Center
577.7mm
582mm
592.6mm
595.6mm
611.1mm
626mm
646.4mm
Front-Center Horizontal
573.3mm
577.6mm
588.3mm
591.3mm
606.9mm
621.9mm
642.4mm
Wheelbase
997.3mm
1001.6mm
1012.3mm
1015.3mm
1030.9mm
1045.9mm
1066.4mm
Fork Offset/Rake
50mm
50mm
50mm
47mm
47mm
47mm
47mm
Fork Length (Axle-To-Crown)
395mm
395mm
395mm
395mm
395mm
395mm
395mm
Trail
73.6mm
high
68.7mm
high
68.7mm
high
68.5mm
high
68.5mm
high
68.5mm
high
68.5mm
high
Mechanical Trail
69.3mm
64.9mm
64.9mm
65mm
65mm
65mm
65mm
Wheel Flop
23.4mm
21.1mm
21.1mm
20.6mm
20.6mm
20.6mm
20.6mm
Standover Height
713.6mm
736.6mm
759.3mm
792.2mm
817.5mm
844mm
870.8mm
Tire to Pedal Spindle
54.8mm
170 mm cranks
59mm
170 mm cranks
69.7mm
170 mm cranks
72.6mm
170 mm cranks
83.1mm
175 mm cranks
98mm
175 mm cranks
118.4mm
175 mm cranks
Pedal Spindle to Ground Clearance
111.5mm
170 mm cranks
111.5mm
170 mm cranks
111.5mm
170 mm cranks
111.5mm
170 mm cranks
106.5mm
175 mm cranks
106.5mm
175 mm cranks
106.5mm
175 mm cranks

Base Build

43cm
46cm
49cm
52cm
55cm
58cm
61cm
Wheel Size
650B/27.5 in
584 mm BSD
650B/27.5 in
584 mm BSD
650B/27.5 in
584 mm BSD
650B/27.5 in
584 mm BSD
650B/27.5 in
584 mm BSD
650B/27.5 in
584 mm BSD
650B/27.5 in
584 mm BSD
Tire Width
2.4in
2.4in
2.4in
2.4in
2.4in
2.4in
2.4in
Tire Outer Diameter
705.9mm
705.9mm
705.9mm
705.9mm
705.9mm
705.9mm
705.9mm
Bike Length with Tires
1703.2mm
1707.5mm
1718.2mm
1721.2mm
1736.8mm
1751.8mm
1772.3mm
Crank Length
170mm
170mm
170mm
170mm
175mm
175mm
175mm
Handlebar Width
40cm
40cm
42cm
44cm
44cm
46cm
46cm
Stem Length
70mm
80mm
90mm
100mm
100mm
110mm
120mm

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
Off-road Touring
Source:https://allcitycycles.com/bikes/gorilla_monsoon