BULLS Copperhead E1 Street 27.5

2021 UrbanHybrid Electric bicycle Manufacturer page

BULLS Copperhead E1 Street 27.5, color Anodized Blue

Price: Not published

Prices shown first for United States
Europe: €2,749 Last known price
Fork travel: 100 mm
Wheels: 650b
Drivetrain: 1 × 9 38t / 11–36t
Gear range: 327%
Battery: 400 Wh
Weight: 23.3 kg 51.4 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

19 of 23 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

5 parts

Cassette
- Shimano CS-HG200 11–36t
CS-HG200
Chain
- KMC
Crankset
- FSA 38t
CK-220
Rear derailleur
- Shimano RD-M4000
RD-M4000RD-M4000-SGS
Shifters
- Shimano Alivio SL-M4000
SL-M4000

Brakes

1 part

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

Wheels and tires

4 parts

Front hub
- Formula DC-20
DC-20DC-20FQR
Rear hub
- Formula DC-22
DC-22
Rims

DDM-2 Not identified

DDM-2
Tires

STYX Ace of Pace TrailSkin Not identified

Cockpit and contact points

6 parts

Handlebar
- Kalloy
HB-RB12
Headset
- FSA
Pedals
- Wellgo
C-098
Saddle
- Bulls
Seatpost

SP-368, 30,9x350mm Not identified

SP-368
Stem
- Kalloy
AS-M03

Other components

2 parts

Fenders
- SKS
Lights
- Fuxon
DHL-F130K

Sizes and geometry

4 sizes

Rider-height ranges are not published for these sizes.

Size

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
Bicycle weight: 23.3 kg

51.4 lb

Suspension

Suspension configuration: Hardtail
Front travel: 100 mm

Drivetrain

Derived by Bikelake

Front chainrings: 1
Smallest chainring: 38
Largest chainring: 38
Rear sprockets: 9
Smallest sprocket: 11
Largest sprocket: 36
Lowest gear: 29.0 in
Highest gear: 95.0 in

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: 650b

Technical analysis

2 measures

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

Lowest gear

29.0 gear inches

This value is above the central range for this class.

Cohort: Urban / Hybrid Model year: 2021
Sample: 522 bicycles with this information
Coverage: 74.0% of the class

Highest gear

95.0 gear inches

This value is below the central range for this class.

Cohort: Urban / Hybrid Model year: 2021
Sample: 522 bicycles with this information
Coverage: 74.0% of the class

Gearing

Estimated speeds at 80 rpm

Lowest gear: 11.1 km/h
Highest gear: 36.4 km/h

Total gear range 327%

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: 29.0–95.0 gear inches
Class reference (p10–p90): 21.6–126.6 gear inches; The band runs from p10 for the lowest gear to p90 for the highest gear.

Cohort: Urban / Hybrid Model year: 2021
Lowest gear: 522 bicycles with this information, 74.0% of the class
Highest gear: 522 bicycles with this information, 74.0% 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 E1 Street 27.5	BULLS Copperhead E1 27.5	BULLS Copperhead E1 29	BULLS Copperhead E2 27.5	BULLS Copperhead E2 29	BULLS Copperhead E2 Street 27.5
Frame
Bicycle weight	23.3 kg	24.4 kg	24.4 kg	24.1 kg	24.1 kg	24.1 kg
Suspension
Front travel	100 mm	100 mm	100 mm	120 mm	100 mm	100 mm
Drivetrain
Smallest chainring	38	38	Not informed	Not informed	Not informed	Not informed
Largest chainring	38	38	Not informed	Not informed	Not informed	Not informed
Lowest gear	29.0 in	29.0 in	Not informed	Not informed	Not informed	Not informed
Highest gear	95.0 in	95.0 in	Not informed	Not informed	Not informed	Not informed
Other specifications
Wheel size	650b	27.5″	29″	27.5″	29″	650b