Flyer G1 Upstreet SL 3.12 XC

Name: Flyer G1 Upstreet SL 3.12 XC
Brand: Flyer

2026 UrbanCommuter Electric bicycle Manufacturer page

Price: Not published

Prices shown first for United States
Europe: €3,999 Last known price
Suspension: Rigid
Wheels: 700c
Drivetrain: 1 × 9 11–36t
Gear range: 327%
Weight: 18 kg 39.7 lb · Reference configuration not specified
Frame: Aluminum
Brakes: Hydraulic disc

Sizes

Size guide

The manufacturer did not publish rider heights for these sizes.

Components

19 of 25 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

Aluminium Not identified

Electric system

3 parts

Suspension

1 part

Fork

FLYER Rigid Fork, 12 x 100 mm Not identified

Drivetrain

6 parts

Bottom bracket

n/a (included in drive unit) Not identified
Cassette
- Shimano CS-LG300 11–36t
CS-LG300
Chain
- Shimano CN-LG500
CN-LG500
Crankset
- Samox
Rear derailleur
- Shimano Cues RD-U4000 9 speeds
RD-U4000RD-U4000-GS
Shifters
- Shimano Cues SL-U4010 9 speeds
SL-U4010

Brakes

2 parts

Brake levers
- Tektro HD-T280
HD-T280
Brakes
- Tektro HD-T280
HD-T280

Wheels and tires

4 parts

Cockpit and contact points

6 parts

Handlebar
- Ergotec
Headset
- Acros
AIF-543
Pedals
- VP VP-831P City bike pedal
VP-831P
Saddle
- Selle Royal Vivo
Seatpost

FLYER Alloy, 30.9 x 350 mm Not identified
Stem

FLYER ONE Carbon Cockpit SL, 31.8 x 80 mm, 9° Not identified

Other components

2 parts

Lights

FLYER ONE HL-2 Not identified

HL-2
Lock
- Bosch

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: 18 kg

39.7 lb
Weight limit: 130 kg

286.6 lb

Suspension

Suspension configuration: Rigid

Drivetrain

Derived by Bikelake

Front chainrings: 1
Rear sprockets: 9
Smallest sprocket: 11
Largest sprocket: 36

Wheels and brakes

Wheel configuration: Same size
Brake type: Hydraulic disc

Fit and controls

Seatpost: Rigid seatpost
Shifting: Mechanical

Additional specifications

Travel: Front: Additional specification: Not available: Yes
Wheel material: Aluminum
Wheel size: 700c

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 2026 builds

Differences across 2026 builds
Specification	This bicycle Flyer G1 Upstreet SL 3.12 XC	Flyer G1 Goroc TR 7.33	Flyer G1 Goroc TR:X 4.63	Flyer G1 Goroc TR:X 8.63	Flyer G1 Goroc TR:X 8.63 HS EU	Flyer G1 Goroc TR:X 8.63 HS EU V2
Frame
Frame material	Aluminum	Aluminum	Carbon	Carbon	Carbon	Carbon
Bicycle weight	18 kg	30 kg	30 kg	30 kg	30 kg	30 kg
Weight limit	130 kg	150 kg	150 kg	150 kg	149 kg	149 kg
Suspension
Suspension configuration	Rigid	Hardtail	Full suspension	Full suspension	Full suspension	Full suspension
Front travel	Not informed	100 mm	130 mm	130 mm	130 mm	130 mm
Rear travel	Not informed	Not informed	130 mm	Not informed	Not informed	Not informed
Drivetrain
Rear sprockets	9	1	1	1	1	1
Smallest sprocket	11	Not informed	Not informed	Not informed	Not informed	Not informed
Largest sprocket	36	Not informed	Not informed	Not informed	Not informed	Not informed
Drivetrain technologies	Not informed	belt-drive, internally-geared-hub	belt-drive, internally-geared-hub	belt-drive, internally-geared-hub	belt-drive, internally-geared-hub	belt-drive, internally-geared-hub
Cockpit
Seatpost	Rigid seatpost	suspension	Dropper seatpost	Dropper seatpost	Dropper seatpost	Dropper seatpost
Other specifications
Suspension	Rigid	Hardtail	Full suspension	Full suspension	Full suspension	Full suspension
Wheel size	700c	29″	29″	29″	29″	29″
Bottom bracket standard	Not informed	Pinion	Not informed	Not informed	Not informed	Pinion
Fork spring	Not informed	Air	Air	Air	Air	Air
Tire width	Not informed	2.35″	Not informed	Not informed	Not informed	Not informed