Cotic Rocket Gold Eagle

2018 MountainEnduro

Travel: 160 / 157 mm Fork / rear shock
Wheels: 27.5″
Drivetrain: 1 × 12 32t / 10–50t
Gear range: 500%
Frame: Steel
Brakes: Hydraulic disc

Rider height by size (cm)

Size guide

SM 158–171
MD 168–180
LG 178–189
XL 186–199

Components

19 of 21 identified

Parts found in a manufacturer catalog show their brand, model and key numbers, and the steps show how precisely they are identified: brand, series, model, or the exact product. The info button has every detail and the text the manufacturer published.

Frame and fork

1 part

Frame

Chromoly Not identified

Suspension

2 parts

Drivetrain

8 parts

Bottom bracket

Threaded BSA, 73mm Not identified
Cassette
- SRAM XG-1275 Eagle 12 speeds
XG-1275
Chain
- SRAM GX Eagle 12 speeds
Chain guide
- OneUp
Crankset
- SRAM GX Eagle
Front derailleur

None
Rear derailleur
- SRAM GX Eagle 12 speeds
Shifters
- SRAM GX Eagle Trigger 12 speeds

Brakes

2 parts

Wheels and tires

4 parts

Front hub
- Hope
Rear hub
- Hope
Rims
- Hope
Tires
- WTB

Cockpit and contact points

6 parts

Sizes and geometry

4 sizes Open in the geometry plotter

Enter your height to highlight matching ranges.

Size MD

Table

Reach 458mm

Stack 599mm

Wheelbase 1226mm

Head angle 64.5°

Seat angle 75.0°

Every size is drawn to the same scale, in millimeters. Explanatory schematic on an assumed 27.5″ wheel; exact published values are in the table below.

Size Reported by the manufacturer

Complete manufacturer geometry table 4 published sizes

Complete manufacturer geometry by size
Measurement
Reachmm	435	458	481	510
Stackmm	589.5	598.5	607.5	616.5
Top tube lengthmm	590	616	642	674
Seat tube lengthmm	390	425	460	495
Head tube lengthmm	100	110	120	130
Head tube angle	64.5°	64.5°	64.5°	64.5°
Seat tube angle	75°	75°	75°	75°
Chainstay lengthmm	437	437	437	437
Wheelbasemm	1199	1226.4	1253.9	1287
Front centermm	762	790	817	850
Bottom bracket dropmm	10	10	10	10
Bottom bracket heightmm	345	345	345	345
Fork rakemm	46	46	46	46
Trailmm	119	119	119	119
Stack/reach ratio	1.36	1.31	1.26	1.21

Not published by the manufacturer: Standover height, Front travel, Rear travel, Crank length, Handlebar width, Stem length, Stem angle, Seatpost length and Dropper post travel.

Specifications

Frame and fork

Intended fit: Unisex
Frame material: Steel

Suspension

Suspension configuration: Full suspension
Front travel: 160 mm
Rear travel: 157 mm

Drivetrain

Derived by Bikelake

Front chainrings: 1
Smallest chainring: 32
Largest chainring: 32
Rear sprockets: 12
Smallest sprocket: 10
Largest sprocket: 50
Lowest gear: 17.6 in
Highest gear: 88.0 in

Wheels and brakes

Wheel configuration: Same size
Brake type: Hydraulic disc

Fit and controls

Seatpost: Dropper seatpost
Shifting: Mechanical

Additional specifications

Bottom bracket standard: BSA
Tire width: 2.3″
Wheel material: Aluminum
Wheel size: 27.5″

Technical analysis

5 measures

How these figures sit among bicycles of the same class and model year. Context, not a ranking.

Front travel

160 mm

This value is within the central range for this class.

Cohort: Mountain / Enduro Model year: 2018
Sample: 538 bicycles with this information
Coverage: 97.1% of the class

Rear travel

157 mm

This value is within the central range for this class.

Cohort: Mountain / Enduro Model year: 2018
Sample: 464 bicycles with this information
Coverage: 83.7% of the class

Lowest gear

17.6 gear inches

This value is within the central range for this class.

Cohort: Mountain / Enduro Model year: 2018
Sample: 464 bicycles with this information
Coverage: 83.7% of the class

Highest gear

88.0 gear inches

This value is within the central range for this class.

Cohort: Mountain / Enduro Model year: 2018
Sample: 464 bicycles with this information
Coverage: 83.7% of the class

Shifting

Mechanical

16 of 554 bicycles with this information use electronic shifting.

Cohort: Mountain / Enduro Model year: 2018
Sample: 554 bicycles with this information
Coverage: 100.0% of the class

Gearing

Estimated speeds at 80 rpm

Lowest gear: 6.7 km/h
Highest gear: 33.7 km/h

Total gear range 500%

Technical details and class reference

These speeds describe the gearing at the selected cadence, not how fast you can ride.
Calculated from published gear-inch values and their wheel-size assumptions.
These gearing values describe the bicycle, not a selected frame size.
A 100% range means one ratio; 500% means the highest ratio is five times the lowest.
For e-bikes, motor assistance cutoff is not represented.

Gear-inch range

Lower gear-inch values travel less distance per pedal revolution; higher values travel farther.

This bicycle: 17.6–88.0 gear inches
Class reference (p10–p90): 16.5–93.5 gear inches; The band runs from p10 for the lowest gear to p90 for the highest gear.

Cohort: Mountain / Enduro Model year: 2018
Lowest gear: 464 bicycles with this information, 83.7% of the class
Highest gear: 464 bicycles with this information, 83.7% of the class

Lineup changes

The published facts that differ across this family's builds and from the same model a year earlier. Missing information never counts as zero.

Differences across 2018 builds

Differences across 2018 builds
Specification	This bicycle Cotic Rocket Gold Eagle	Cotic Rocket Gold	Cotic Rocket Platinum	Cotic Rocket Silver
Frame
Bicycle weight	Not informed	13.93 kg	Not informed	Not informed
Drivetrain
Smallest chainring	32	30	30	30
Largest chainring	32	30	30	30
Rear sprockets	12	11	11	11
Smallest sprocket	10	11	10	11
Largest sprocket	50	42	48	42
Lowest gear	17.6 in	19.6 in	17.2 in	19.6 in
Highest gear	88.0 in	75.0 in	82.5 in	75.0 in
Brakes
Brake type	Hydraulic disc	Hydraulic disc	Mechanical disc	Mechanical disc
Other specifications
Tire width	2.3″	2.3″	2.3″	2.2″
Fork spring	Not informed	Not informed	Not informed	Air