BULLS Copperhead FSX 1

2023 MountainTrail Manufacturer page

BULLS Copperhead FSX 1, color Dark Petrol Matt

Price: Not published

Prices shown first for United States
Europe: €2,899 Last known price
Travel: 140 / 140 mm Fork / rear shock
Wheels: 29″
Drivetrain: 1 × 11 30t / 11–51t
Gear range: 464%
Frame: Aluminum
Brakes: Hydraulic disc

Rider height by size (cm)

Size guide

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

Components

14 of 19 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

Alloy Not identified

Suspension

2 parts

Drivetrain

5 parts

Cassette
- Shimano Deore CS-M5100 11 speeds 11–51t
CS-M5100
Chain
- Shimano CN-HG601-11
CN-HG601-11
Crankset
- Shimano Deore FC-M5100 11 speeds 30t
FC-M5100
Rear derailleur
- Shimano Deore RD-M5100 11 speeds
RD-M5100
Shifters
- Shimano Deore SL-M5100
SL-M5100

Brakes

1 part

Brakes

hydraulic disc brake Not identified

Wheels and tires

4 parts

Front hub

Boost 6-Loch Aufnahme und Steckachse, O.L.D. 110 mm Not identified
Rear hub

Boost 6-Loch Aufnahme und Steckachse, O.L.D. 148 mm Not identified
Rims
- Ryde
Tires
- Schwalbe

Cockpit and contact points

6 parts

Handlebar
- Bulls
Headset
- FSA
Pedals
- Bulls
Saddle
- Bulls
Seatpost
- Limotec
Stem

MTB-S, CCS Slot Mount ready Not identified

Sizes and geometry

4 sizes

Enter your height to highlight matching ranges.

Size Reported by the manufacturer

Geometry not published

The manufacturer lists these sizes without frame measurements, so there is no drawing or geometry table.

Specifications

Frame and fork

Intended fit: Unisex
Frame material: Aluminum
Weight limit: 125 kg

275.6 lb

Suspension

Suspension configuration: Full suspension
Front travel: 140 mm
Rear travel: 140 mm

Drivetrain

Derived by Bikelake

Front chainrings: 1
Smallest chainring: 30
Largest chainring: 30
Rear sprockets: 11
Smallest sprocket: 11
Largest sprocket: 51
Lowest gear: 17.1 in
Highest gear: 79.1 in

Wheels and brakes

Wheel configuration: Same size
Brake type: Hydraulic disc

Fit and controls

Seatpost: Dropper seatpost
Shifting: Mechanical

Additional specifications

Fork spring: Air
Wheel material: Aluminum
Wheel size: 29″

Technical analysis

4 measures

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

Front travel

140 mm

This value is within the central range for this class.

Cohort: Mountain / Trail Model year: 2023
Sample: 2,192 bicycles with this information
Coverage: 97.5% of the class

Lowest gear

17.1 gear inches

This value is below the central range for this class.

Cohort: Mountain / Trail Model year: 2023
Sample: 1,625 bicycles with this information
Coverage: 72.2% of the class

Highest gear

79.1 gear inches

This value is below the central range for this class.

Cohort: Mountain / Trail Model year: 2023
Sample: 1,625 bicycles with this information
Coverage: 72.2% of the class

Shifting

Mechanical

359 of 2,248 bicycles with this information use electronic shifting.

Cohort: Mountain / Trail Model year: 2023
Sample: 2,248 bicycles with this information
Coverage: 100.0% of the class

Gearing

Estimated speeds at 80 rpm

Lowest gear: 6.5 km/h
Highest gear: 30.3 km/h

Total gear range 464%

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: 17.1–79.1 gear inches
Class reference (p10–p90): 17.1–98.6 gear inches; The band runs from p10 for the lowest gear to p90 for the highest gear.

Cohort: Mountain / Trail Model year: 2023
Lowest gear: 1625 bicycles with this information, 72.2% of the class
Highest gear: 1625 bicycles with this information, 72.2% 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 2023 builds
Specification	This bicycle BULLS Copperhead FSX 1	BULLS Copperhead 1 27.5	BULLS Copperhead 1 29	BULLS Copperhead 2 27.5	BULLS Copperhead 2 29	BULLS Copperhead 3 27.5
Suspension
Suspension configuration	Full suspension	Hardtail	Hardtail	Hardtail	Hardtail	Hardtail
Front travel	140 mm	100 mm	100 mm	100 mm	Not informed	100 mm
Rear travel	140 mm	Not informed	Not informed	Not informed	Not informed	Not informed
Drivetrain
Front chainrings	1	1	1	2	2	1
Smallest chainring	30	32	32	26	26	32
Largest chainring	30	32	32	36	36	32
Rear sprockets	11	10	10	10	10	11
Largest sprocket	51	46	46	42	42	51
Lowest gear	17.1 in	19.1 in	20.2 in	17.0 in	18.0 in	17.3 in
Highest gear	79.1 in	80.0 in	84.4 in	90.0 in	94.9 in	80.0 in
Cockpit
Seatpost	Dropper seatpost	Rigid seatpost	Rigid seatpost	Rigid seatpost	Rigid seatpost	Rigid seatpost
Other specifications
Fork spring	Air	Coil	Coil	Coil	Coil	Air
Suspension	Full suspension	Hardtail	Hardtail	Hardtail	Hardtail	Hardtail
Wheel size	29″	27.5″	29″	27.5″	29″	27.5″
Tire width	Not informed	Not informed	Not informed	Not informed	57c	Not informed