Superior eXP 6.4 Steps

Name: Superior eXP 6.4 Steps
Brand: Superior

2025 MountainCross-country Electric bicycle Manufacturer page

Fork travel: 100 mm
Wheels: 29″
Drivetrain: 1 × 9 34t / 11–36t
Gear range: 327%
Battery: 630 Wh
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

17 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

SU-E04-STEPS, Alu X6 Ultralite, Advanced eMTB Geometry, SHIMANO STEPS ready, Integrated battery, SR dropout, Boost 12x148 mm, Inner cable routing, Dropped seat post ready Not identified

SU-E04-STEPS

Electric system

4 parts

Suspension

1 part

Fork
- RST

Drivetrain

6 parts

Bottom bracket

STEPS, press-fit Not identified
Cassette
- Shimano CS-HG200 11–36t
CS-HG200
Chain
- KMC
Crankset
- Shimano FC-EM600
FC-EM600
Rear derailleur
- Shimano Alivio RD-M3100 9 speeds
RD-M3100
Shifters
- Shimano SL-M2010-9R
SL-M2010-9R

Brakes

1 part

Brakes
- Shimano BR-MT200
BR-MT200

Wheels and tires

5 parts

Front hub
- Shimano HB-TX505
HB-TX505
Rear hub
- Shimano FH-TC500-HM-B 11 speeds
FH-TC500-HM
Rims

STARS J30D, Disc, Tubeless, 32H Not identified
Spokes
- Sapim Leader
Tires
- Schwalbe

Cockpit and contact points

5 parts

Handlebar

ONE Alloy, 20mm rise, 31.8mm Not identified
Headset
- Acros
AZX-596
Saddle
- Selle Royal
Seatpost

ONE Sport, Alloy, 30.9mm Not identified
Stem

ONE ICR, Alloy, 31.8mm, 0° Not identified

Sizes and geometry

4 sizes Open in the geometry plotter

Enter your height to highlight matching ranges.

Size MD

Table

Reach 444mm

Stack 634mm

Wheelbase 1190mm

Head angle 66.0°

Seat angle 74.5°

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 Reported by the manufacturer

Complete manufacturer geometry table 4 published sizes

Complete manufacturer geometry by size
Measurement
Frame
Reachmm	419	444	463	483
Stackmm	631	634	640	640
Top tube lengthmm	594	620	640	660
Seat tube lengthmm	393	431	482	533
Head tube lengthmm	120	120	120	120
Head tube angle	66°	66°	67°	67°
Seat tube angle	74.5°	74.5°	74.5°	74.5°
Chainstay lengthmm	445	445	445	445
Wheelbasemm	1173	1190	1198	1218
Front centermm	733	750	758	778
Bottom bracket dropmm	54	54	54	54
Bottom bracket heightmm	320	320	320	320
Fork rakemm	51	42	41	41
Trailmm	111	121	114	114
Stack/reach ratio	1.51	1.43	1.38	1.33
Suspension and parts
Crank lengthmm	165	165	165	170
Handlebar widthmm	760	760	760	760
Stem lengthmm	—	—	60	80

Not published by the manufacturer: Standover height, Front travel, Rear travel, Stem angle, Seatpost length and Dropper post travel.

Specifications

Frame and fork

Intended fit: Unisex
Frame material: Aluminum

Suspension

Suspension configuration: Hardtail
Front travel: 100 mm

Drivetrain

Derived by Bikelake

Front chainrings: 1
Smallest chainring: 34
Largest chainring: 34
Rear sprockets: 9
Smallest sprocket: 11
Largest sprocket: 36
Lowest gear: 27.4 in
Highest gear: 89.6 in

Wheels and brakes

Wheel configuration: Same size
Brake type: Hydraulic disc

Fit and controls

Seatpost: Rigid seatpost
Shifting: Mechanical

Electric system

Battery capacity: 630 Wh

Additional specifications

Battery: DARFON, 630Wh
Bottom bracket standard: Shimano STEPS
Fork spring: Coil
Tire width: 2.25″
Wheel material: Aluminum
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

100 mm

This value is within the central range for this class.

Cohort: Mountain / Cross-country Model year: 2025
Sample: 1,508 bicycles with this information
Coverage: 87.8% of the class

Shifting

Mechanical

222 of 1,648 bicycles with this information use electronic shifting.

Cohort: Mountain / Cross-country Model year: 2025
Sample: 1,648 bicycles with this information
Coverage: 95.9% of the class

Gearing

Estimated speeds at 80 rpm

Lowest gear: 10.5 km/h
Highest gear: 34.3 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: 27.4–89.6 gear inches

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 2025 builds

Differences across 2025 builds
Specification	This bicycle Superior eXP 6.4 Steps	Superior eXP 6.3	Superior eXP 6.4 Steps SUV	Superior eXP 6.5	Superior eXP 6.7	Superior eXP 6.7 Steps
Frame
Bicycle weight	Not informed	24.35 kg	Not informed	23.6 kg	24.3 kg	Not informed
Suspension
Front travel	100 mm	120 mm	100 mm	120 mm	120 mm	140 mm
Drivetrain
Rear sprockets	9	9	9	11	11	11
Largest sprocket	36	46	36	50	50	45
Lowest gear	27.4 in	21.4 in	27.4 in	19.7 in	19.7 in	21.9 in
Cockpit
Seatpost	Rigid seatpost	Rigid seatpost	Rigid seatpost	Dropper seatpost	Dropper seatpost	Rigid seatpost
Electric bicycle systems
Battery capacity	630 Wh	600 Wh	630 Wh	600 Wh	800 Wh	630 Wh
Other specifications
Bottom bracket standard	Shimano STEPS	Not informed	Shimano STEPS	Not informed	Not informed	Shimano STEPS
Fork spring	Coil	Not informed	Coil	Not informed	Air	Not informed
Tire width	2.25″	2.25″	2.1″	2.4″	2.4″	2.6″