Opus Wknd LRT

Name: Opus Wknd LRT
Brand: Opus

2025 UrbanFitness Electric bicycle Manufacturer page

Fork travel: 63 mm
Wheels: 700c
Gear range: 355%
Battery: 418 Wh
Weight: 20.5 kg 45.2 lb · Reference configuration not specified
Frame: Aluminum
Brakes: Hydraulic disc

Rider height by size (cm)

Size guide

SM 158–170
MD 168–179
LG 176–187

Components

20 of 22 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

Lightweight 6061 aluminum frame Not identified

Electric system

3 parts

Battery
- Shimano BT-EN604
BT-EN604EN-604
Display
- Shimano SC-EN610
SC-EN610
Motor
- Shimano EP6 DU-EP600 1 speed
DU-EP600

Suspension

1 part

Fork
- SR Suntour NEX
E-25

Drivetrain

7 parts

Bottom bracket

None
Cassette
- Shimano
Chain
- KMC
Crankset
- Shimano FC-EM600
FC-EM600
Front derailleur

None
Rear derailleur
- Shimano Cues RD-U6020
RD-U6020
Shifters
- Shimano Cues SL-U6000
SL-U6000

Brakes

2 parts

Brake levers
- Shimano BL-MT201
BL-MT201
Brakes
- Shimano
BR-MT201

Wheels and tires

4 parts

Cockpit and contact points

6 parts

Sizes and geometry

3 sizes Open in the geometry plotter

Enter your height to highlight matching ranges.

Size MD

Table

Geometry diagram unavailable

The drawing needs wheelbase, which the manufacturer did not publish. Available facts remain in the table.

Size Reported by the manufacturer

Complete manufacturer geometry table 3 published sizes

Complete manufacturer geometry by size
Measurement
Frame
Reachmm	400	415	427
Stackmm	623	623	632
Top tube lengthmm	590	605	620
Seat tube lengthmm	440	480	520
Head tube lengthmm	145	145	155
Head tube angle	71°	71°	71°
Seat tube angle	73°	73°	73°
Chainstay lengthmm	440	440	440
Bottom bracket dropmm	65	65	65
Standover heightmm	740	780	810
Stack/reach ratio	1.56	1.50	1.48
Suspension and parts
Crank lengthmm	170	170	170
Handlebar widthmm	620	620	620
Stem lengthmm	70	70	80

Not published by the manufacturer: Wheelbase, Front center, Bottom bracket height, Fork rake, Trail, Front travel, Rear travel, Stem angle, Seatpost length and Dropper post travel.

Specifications

Frame and fork

Intended fit: Unisex
Frame material: Aluminum
Bicycle weight: 20.5 kg

45.2 lb

Suspension

Suspension configuration: Hardtail
Front travel: 63 mm

Drivetrain

Derived by Bikelake

Front chainrings: 1
Smallest chainring: 38
Largest chainring: 38
Smallest sprocket: 11
Largest sprocket: 39
Lowest gear: 28.3 in
Highest gear: 100.2 in

Wheels and brakes

Wheel configuration: Same size
Brake type: Hydraulic disc

Fit and controls

Seatpost: Rigid seatpost
Shifting: Mechanical

Electric system

Battery capacity: 418 Wh

Additional specifications

Battery: Shimano EN-604 418Wh 36V 11.6Ah battery
Fork spring: Coil
Tire width: 42c
Wheel material: Aluminum
Wheel size: 700c

Technical analysis

3 measures

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

Lowest gear

28.3 gear inches

This value is within the central range for this class.

Cohort: Urban / Fitness Model year: 2025
Sample: 230 bicycles with this information
Coverage: 81.8% of the class

Highest gear

100.2 gear inches

This value is within the central range for this class.

Cohort: Urban / Fitness Model year: 2025
Sample: 230 bicycles with this information
Coverage: 81.8% of the class

Shifting

Mechanical

13 of 281 bicycles with this information use electronic shifting.

Cohort: Urban / Fitness Model year: 2025
Sample: 281 bicycles with this information
Coverage: 100.0% of the class

Gearing

Estimated speeds at 80 rpm

Lowest gear: 10.8 km/h
Highest gear: 38.4 km/h

Total gear range 354%

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: 28.3–100.2 gear inches
Class reference (p10–p90): 21.8–131.8 gear inches; The band runs from p10 for the lowest gear to p90 for the highest gear.

Cohort: Urban / Fitness Model year: 2025
Lowest gear: 230 bicycles with this information, 81.8% of the class
Highest gear: 230 bicycles with this information, 81.8% 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 2025 builds
Specification	This bicycle Opus Wknd LRT	Opus Wknd	Opus Wknd 6100	Opus Wknd EP6
Frame
Bicycle weight	20.5 kg	19.8 kg	Not informed	20 kg
Fork material	Not informed	Aluminum	Aluminum	Aluminum
Suspension
Suspension configuration	Hardtail	Rigid	Rigid	Rigid
Front travel	63 mm	Not informed	Not informed	Not informed
Drivetrain
Largest sprocket	39	32	32	36
Lowest gear	28.3 in	34.4 in	34.4 in	30.6 in
Rear sprockets	Not informed	9	9	9
Other specifications
Battery	Capacity: 418 WhShimano EN-604 418Wh 36V 11.6Ah battery	Capacity: 418 WhShimano E-8014 418Wh 36V 11.6Ah battery	Capacity: 418 WhShimano E-8014 418Wh 36V 11.6Ah battery	Capacity: 418 WhShimano EN-604 418Wh 36V 11.6Ah battery
Fork spring	Coil	Not informed	Not informed	Not informed
Suspension	Hardtail	Rigid	Rigid	Rigid