BULLS Copperhead E2 27.5

Name: BULLS Copperhead E2 27.5
Brand: BULLS

2021 MountainTrail Electric bicycle Manufacturer page

BULLS Copperhead E2 27.5, color Black Chrome Matt

Price: Not published

Prices shown first for United States
Europe: €2,799 Last known price
Fork travel: 120 mm
Wheels: 27.5″
Drivetrain: 1 × 9 11–36t
Gear range: 327%
Battery: 400 Wh
Weight: 24.1 kg 53.1 lb · Reference configuration not specified
Frame: Aluminum
Brakes: Hydraulic disc

Sizes

Size guide

41cm
44cm
48cm
54cm

The manufacturer did not publish rider heights for these sizes.

Components

13 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

Alloy Not identified

Electric system

3 parts

Suspension

1 part

Fork
- SR Suntour

Drivetrain

4 parts

Cassette
- Shimano CS-HG200-9 9 speeds 11–36t
CS-HG200
Crankset
- FSA
Rear derailleur
- Shimano RD-M592-SGS
RD-M592-SGS
Shifters
- Shimano Alivio SL-M3100
SL-M3100

Brakes

1 part

Brakes
- Tektro HD-M275 / HD-M276
HD-M275HD-M276

Wheels and tires

4 parts

Front hub
- Formula DC-20
DC-20DC-20QR
Rear hub
- Formula DC-22
DC-22DC-22RQR
Rims

STYX DDM-2 Not identified

DDM-2
Tires

Ace of Pace Not identified

Cockpit and contact points

6 parts

Handlebar

STYX Not identified
Headset
- FSA ORBIT IS 138
Pedals
- Wellgo
ZZE-01M
Saddle

STYX Not identified
Seatpost

STYX Not identified
Stem

MTB-SL, CCS Not identified

Other components

1 part

Lights

MonkeyLink Ready Not identified

Sizes and geometry

4 sizes Open in the geometry plotter

Complete rider-height ranges are not published for these sizes. You can still explore the geometry below.

Size 44cm

Table

Reach 430mm

Stack 607mm

Wheelbase 1136mm

Head angle 67.5°

Seat angle 73.5°

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 Reach Stack

Complete manufacturer geometry table 4 published sizes

Complete manufacturer geometry by size
Measurement
Reachmm	419	430	454	476
Stackmm	612	607	612	621
Top tube lengthmm	595	610	635	660
Seat tube lengthmm	410	440	480	540
Head tube lengthmm	120	120	130	140
Head tube angle	67.5°	67.5°	67.5°	67.5°
Seat tube angle	74°	73.5°	73.5°	73.5°
Chainstay lengthmm	430	430	430	430
Wheelbasemm	1125	1136	1164	1190
Front centermm	700	710	737	763
Bottom bracket dropmm	50	45	40	40
Bottom bracket heightmm	305	310	315	315
Fork rakemm	43	42	42	42
Trailmm	101	102	102	102
Stack/reach ratio	1.46	1.41	1.35	1.31

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: Aluminum
Bicycle weight: 24.1 kg

53.1 lb

Suspension

Suspension configuration: Hardtail
Front travel: 120 mm

Drivetrain

Derived by Bikelake

Front chainrings: 1
Rear sprockets: 9
Smallest sprocket: 11
Largest sprocket: 36

Wheels and brakes

Wheel configuration: Same size
Brake type: Hydraulic disc

Fit and controls

Seatpost: Rigid seatpost
Shifting: Mechanical

Electric system

Battery capacity: 400 Wh

Additional specifications

Battery: PowerPack 400
Fork spring: Coil
Wheel material: Aluminum
Wheel size: 27.5″

Technical analysis

2 measures

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

Front travel

120 mm

This value is within the central range for this class.

Cohort: Mountain / Trail Model year: 2021
Sample: 1,325 bicycles with this information
Coverage: 98.1% of the class

Shifting

Mechanical

53 of 1,347 bicycles with this information use electronic shifting.

Cohort: Mountain / Trail Model year: 2021
Sample: 1,347 bicycles with this information
Coverage: 99.7% 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 2021 builds

Differences across 2021 builds
Specification	This bicycle BULLS Copperhead E2 27.5	BULLS Copperhead E1 27.5	BULLS Copperhead E1 29	BULLS Copperhead E1 Street 27.5	BULLS Copperhead E2 29	BULLS Copperhead E2 Street 27.5
Frame
Bicycle weight	24.1 kg	24.4 kg	24.4 kg	23.3 kg	24.1 kg	24.1 kg
Suspension
Front travel	120 mm	100 mm	100 mm	100 mm	100 mm	100 mm
Drivetrain
Smallest chainring	Not informed	38	Not informed	38	Not informed	Not informed
Largest chainring	Not informed	38	Not informed	38	Not informed	Not informed
Lowest gear	Not informed	29.0 in	Not informed	29.0 in	Not informed	Not informed
Highest gear	Not informed	95.0 in	Not informed	95.0 in	Not informed	Not informed
Other specifications
Wheel size	27.5″	27.5″	29″	650b	29″	650b