2019 Cotic Rocket Base

Design
Flat Bar, Full suspension
Frame
Steel
Suspension
160mm fork travel, 157mm rear travel
Somewhat aggressive stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Somewhat aggressive stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Somewhat aggressive stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Somewhat aggressive stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry

Geometry

Small
Medium
Large
XL
Stack
589.5mm
598.5mm
607.5mm
616.5mm
Reach
435mm
458mm
481mm
510mm
Stack to Reach Ratio
1.36:1
1.31:1
1.26:1
1.21:1
Seat Tube Length, C-T
390mm
425mm
460mm
495mm
Top Tube Length, Effective/Horizontal Unknown
590mm
616mm
642mm
674mm
Head Tube Angle
64.5deg
64.5deg
64.5deg
64.5deg
Effective Seat Tube Angle, ETT HT Top
75deg
75deg
75deg
75deg
Head Tube Length
100mm
110mm
120mm
130mm
Bottom Bracket Drop
10mm
10mm
10mm
10mm
Bottom Bracket Height
343mm
343mm
343mm
343mm
Chainstay Length
437mm
437mm
437mm
437mm
Chainstay Length Horizontal
436.9mm
436.9mm
436.9mm
436.9mm
Front-Center
762.2mm
789.6mm
817.1mm
850.2mm
Front-Center Horizontal
762.1mm
789.5mm
817mm
850.1mm
Wheelbase
1199mm
1226.4mm
1253.9mm
1287mm
Fork Offset/Rake
51mm
51mm
51mm
51mm
Fork Length, Unknown
575mm
575mm
575mm
575mm
Trail
111.9mm
very high
111.9mm
very high
111.9mm
very high
111.9mm
very high
Mechanical Trail
101mm
101mm
101mm
101mm
Wheel Flop
43.5mm
43.5mm
43.5mm
43.5mm
Tire to Pedal Spindle
239.2mm
170 mm cranks
266.6mm
170 mm cranks
294.1mm
170 mm cranks
327.2mm
170 mm cranks
Pedal Spindle to Ground Clearance
173mm
170 mm cranks
173mm
170 mm cranks
173mm
170 mm cranks
173mm
170 mm cranks

Base Build

Small
Medium
Large
XL
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
Tire Width
2.4in
2.4in
2.4in
2.4in
Tire Width Max
2.6in
2.6in
2.6in
2.6in
Tire Outer Diameter
705.9mm
705.9mm
705.9mm
705.9mm
Bike Length with Tires
1904.9mm
1932.3mm
1959.8mm
1992.9mm
Stem Length
30mm
30mm
30mm
30mm

Published Sizing Recommendations

Height
165 cm
to
172 cm
169 cm
to
180 cm
178 cm
to
188 cm
186 cm
to
195 cm

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
Source:https://www.cotic.co.uk/product/rocket