BULLS Sonic EVO AM-SL S

2021 MountainTrail Electric bicycle Manufacturer page

BULLS Sonic EVO AM-SL S, color Black / Red

Price: Not published

Prices shown first for United States
Europe: €8,799 Last known price
Travel: 140 / 140 mm Fork / rear shock
Wheels: 29″
Gear range: 510%
Battery: 750 Wh
Weight: 19.9 kg 43.9 lb · Reference configuration not specified
Frame: Carbon
Brakes: Hydraulic disc

Sizes

Size guide

40cm
44cm
48cm
51cm

The manufacturer did not publish rider heights for these sizes.

Components

15 of 20 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

Carbon Not identified

Electric system

3 parts

Battery

V10 Sonic 750 Not identified
Display
- Shimano Steps
SC-EM8000
Motor
- Shimano EP8

Suspension

2 parts

Drivetrain

4 parts

Cassette
- Shimano XTR CS-M9100 10–51t
CS-M9100
Crankset
- e*thirteen
Rear derailleur
- Shimano XTR RD-M9100 12 speeds
RD-M9100
Shifters
- Shimano XTR SL-M9100
SL-M9100

Brakes

1 part

Brakes
- Shimano XTR BR-M9120
BR-M9120

Wheels and tires

2 parts

Cockpit and contact points

6 parts

Handlebar
- Bulls
Headset
- Acros
Pedals
- Wellgo
ZZE-01M
Saddle

Proxim Space NEC Carbon Rail Not identified
Seatpost

8pins NGS 2 Not identified
Stem
- Bulls

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 48cm

Table

Reach 470mm

Stack 637mm

Wheelbase 1238mm

Head angle 66.0°

Seat angle 75.5°

Every size is drawn to the same scale, in millimeters. Explanatory schematic on an assumed 29″ 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	430	450	470	490
Stackmm	628	628	637	646
Top tube lengthmm	592	613	635	657
Seat tube lengthmm	—	440	480	510
Head tube lengthmm	120	120	130	140
Head tube angle	66°	66°	66°	66°
Seat tube angle	75.5°	75.5°	75.5°	75.5°
Chainstay lengthmm	450	450	450	450
Wheelbasemm	1194	1214	1238	1262
Front centermm	746	766	790	814
Bottom bracket dropmm	30	30	30	30
Bottom bracket heightmm	344	344	344	344
Fork rakemm	45	45	45	45
Trailmm	117	117	117	117
Stack/reach ratio	1.46	1.40	1.36	1.32

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: Carbon
Bicycle weight: 19.9 kg

43.9 lb

Suspension

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

Drivetrain

Derived by Bikelake

Front chainrings: 1
Smallest sprocket: 10
Largest sprocket: 51

Wheels and brakes

Wheel configuration: Same size
Brake type: Hydraulic disc

Fit and controls

Seatpost: Dropper seatpost
Shifting: Mechanical

Electric system

Battery capacity: 750 Wh

Additional specifications

Battery: V10 Sonic 750
Fork spring: Air
Wheel material: Carbon
Wheel size: 29″

Technical analysis

2 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: 2021
Sample: 1,324 bicycles with this information
Coverage: 98.1% of the class

Shifting

Mechanical

53 of 1,346 bicycles with this information use electronic shifting.

Cohort: Mountain / Trail Model year: 2021
Sample: 1,346 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 Sonic EVO AM-SL S	BULLS Sonic EVA TR 1 27.5	BULLS Sonic EVA TR 2 27.5	BULLS Sonic EVO 1 27.5	BULLS Sonic EVO 1 29	BULLS Sonic EVO AM 1
Frame
Intended fit	Unisex	womens	womens	Unisex	Unisex	Unisex
Frame material	Carbon	Aluminum	Aluminum	Aluminum	Aluminum	Aluminum
Bicycle weight	19.9 kg	24.2 kg	25.9 kg	22.8 kg	22.8 kg	26.2 kg
Suspension
Suspension configuration	Full suspension	Full suspension	Full suspension	Hardtail	Hardtail	Full suspension
Front travel	140 mm	120 mm	120 mm	120 mm	120 mm	140 mm
Rear travel	140 mm	120 mm	120 mm	Not informed	Not informed	150 mm
Drivetrain
Smallest sprocket	10	11	10	11	11	10
Largest sprocket	51	50	51	46	46	50
Rear sprockets	Not informed	12	Not informed	10	10	12
Cockpit
Seatpost	Dropper seatpost	Rigid seatpost	Dropper seatpost	Rigid seatpost	Rigid seatpost	Dropper seatpost
Electric bicycle systems
Battery capacity	750 Wh	500 Wh	500 Wh	625 Wh	500 Wh	500 Wh
Other specifications
Fork spring	Air	Air	Not informed	Air	Air	Air
Suspension	Full suspension	Full suspension	Full suspension	Hardtail	Hardtail	Full suspension
Wheel material	Carbon	Aluminum	Aluminum	Aluminum	Aluminum	Aluminum
Wheel size	29″	27.5″	27.5″	27.5″	29″	27.5″