BULLS E-Stream EVO TR 1 27.5+

2021 MountainTrail Electric bicycle Manufacturer page

BULLS E-Stream EVO TR 1 27.5+, color Black Matt / Metallic Lime

Price: Not published

Prices shown first for United States
Europe: €4,049 Last known price
Fork travel: 120 mm
Wheels: 27.5″
Drivetrain: 1 × 10 11–42t
Gear range: 382%
Battery: 555 Wh
Weight: 21.3 kg 47.0 lb · Reference configuration not specified
Frame: Aluminum
Brakes: Hydraulic disc

Sizes

Size guide

41cm
46cm
51cm
56cm

The manufacturer did not publish rider heights for these sizes.

Components

13 of 18 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

Battery

Supercore 555 horizontal Not identified
Display
- Brose
Motor
- Brose

Suspension

1 part

Fork
- Bulls

Drivetrain

3 parts

Cassette
- Shimano CS-HG500-10 10 speeds 11–42t
CS-HG500-10
Rear derailleur
- Shimano Deore RD-M6000-GS 10 speeds
RD-M6000-GS
Shifters
- Shimano Deore SL-M6000
SL-M6000

Brakes

1 part

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

Wheels and tires

2 parts

Cockpit and contact points

6 parts

Handlebar
- Bulls
Headset

semi-integrated Not identified
Pedals
- Wellgo
ZZE-01M
Saddle
- Bulls
Seatpost
- Bulls
Stem

MonkeyLink AS-ML1 Not identified

AS-ML1

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 46cm

Table

Reach 440mm

Stack 600mm

Wheelbase 1181mm

Head angle 68.5°

Seat angle 74.0°

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 Reach Stack

Complete manufacturer geometry table 4 published sizes

Complete manufacturer geometry by size
Measurement
Reachmm	425	440	455	470
Stackmm	600	600	614	628
Seat tube lengthmm	410	460	510	560
Head tube lengthmm	110	110	125	140
Head tube angle	68.5°	68.5°	68.5°	68.5°
Seat tube angle	74°	74°	74°	74°
Chainstay lengthmm	461	461	461	461
Wheelbasemm	1166	1181	1202	1222
Front centermm	706	721	742	762
Bottom bracket dropmm	25	25	25	25
Bottom bracket heightmm	330	330	330	330
Fork rakemm	50	50	51	50
Trailmm	86	86	85	86
Stack/reach ratio	1.41	1.36	1.35	1.34

Not published by the manufacturer: Top tube length, 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: 21.3 kg

47.0 lb

Suspension

Suspension configuration: Hardtail
Front travel: 120 mm

Drivetrain

Derived by Bikelake

Front chainrings: 1
Rear sprockets: 10
Smallest sprocket: 11
Largest sprocket: 42

Wheels and brakes

Wheel configuration: Same size
Brake type: Hydraulic disc

Fit and controls

Seatpost: Rigid seatpost
Shifting: Mechanical

Electric system

Battery capacity: 555 Wh

Additional specifications

Battery: Supercore 555 horizontal
Fork spring: Air
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
Specification	This bicycle BULLS E-Stream EVO TR 1 27.5+	BULLS E-Stream EVA 1 27.5+	BULLS E-Stream EVA 2 27.5+	BULLS E-Stream EVA TR 2 27.5+	BULLS E-Stream EVA TR 3 27.5+	BULLS E-Stream EVO 1 27.5+
Frame
Bicycle weight	21.3 kg	23.4 kg	23.4 kg	25.6 kg	25.6 kg	23.9 kg
Suspension
Suspension configuration	Hardtail	Hardtail	Hardtail	Full suspension	Full suspension	Hardtail
Rear travel	Not informed	Not informed	Not informed	120 mm	120 mm	Not informed
Drivetrain
Rear sprockets	10	10	12	12	12	10
Smallest sprocket	11	11	11	10	10	11
Largest sprocket	42	46	50	51	51	46
Cockpit
Seatpost	Rigid seatpost	Rigid seatpost	Rigid seatpost	Not informed	Rigid seatpost	Rigid seatpost
Electric bicycle systems
Battery capacity	555 Wh	555 Wh	750 Wh	555 Wh	555 Wh	555 Wh
Other specifications
Suspension	Hardtail	Hardtail	Hardtail	Full suspension	Full suspension	Hardtail

Changes since 2020
Specification	2020 BULLS E-Stream EVO TR 1 27.5+	This bicycle BULLS E-Stream EVO TR 1 27.5+
Frame
Bicycle weight	Not informed	21.3 kg
Suspension
Suspension configuration	Full suspension	Hardtail
Front travel	Not informed	120 mm
Drivetrain
Smallest chainring	34	Not informed
Largest chainring	34	Not informed
Lowest gear	22.3 in	Not informed
Highest gear	85.0 in	Not informed
Electric bicycle systems
Battery capacity	Not informed	555 Wh
Other specifications
Suspension	Full suspension	Hardtail