Flyer G1 Uproc SL:X 8.70

2026 MountainTrail Electric bicycle Manufacturer page

Flyer G1 Uproc SL:X 8.70, color Cast Silver Gloss

Price: Not published

Prices shown first for United States
Europe: €7,499 Last known price
Fork travel: 130 mm
Wheels: 29″
Drivetrain: 1 × 12 10–51t
Gear range: 510%
Weight: 19 kg 41.9 lb · Reference configuration not specified
Frame: Carbon
Brakes: Hydraulic disc

Rider height by size (cm)

Size guide

SM 158–171
MD 168–180
LG 178–189
XL 186–199

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

Carbon Not identified

Electric system

3 parts

Suspension

2 parts

Drivetrain

5 parts

Cassette
- Shimano Deore XT CS-M8100-12 12 speeds
CS-M8100-12CS-M8100
Chain
- Shimano Deore XT CN-M8100
CN-M8100
Crankset
- Praxis
Rear derailleur
- Shimano Deore XT RD-M8100-SGS 12 speeds
RD-M8100-SGS
Shifters
- Shimano Deore
SL-M8100-12

Brakes

2 parts

Wheels and tires

2 parts

Cockpit and contact points

6 parts

Other components

1 part

Lights

MonkeyLink Connect ready Not identified

Sizes and geometry

4 sizes Open in the geometry plotter

Enter your height to highlight matching ranges.

Size MD

Table

Geometry diagram unavailable

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

Size Reported by the manufacturer

Complete manufacturer geometry table 4 published sizes

Complete manufacturer geometry by size
Measurement
Frame
Reachmm	440	471	491	521
Stackmm	600	609	618	631
Top tube lengthmm	570	604	628	663
Head tube lengthmm	100	110	120	135
Head tube angle	65.6°	65.6°	65.6°	65.6°
Seat tube angle	77.9°	77.7°	77.6°	77.4°
Chainstay lengthmm	451	451	451	451
Wheelbasemm	1198	1232	1257	1293
Front centermm	749	783	808	844
Bottom bracket dropmm	30	30	30	30
Bottom bracket heightmm	344	344	344	344
Standover heightmm	752	758	758	762
Fork rakemm	45	44	45	45
Trailmm	120	122	120	120
Stack/reach ratio	1.36	1.29	1.26	1.21
Suspension and parts
Handlebar widthmm	700	700	700	700
Stem lengthmm	35	35	35	35

Not published by the manufacturer: Seat tube length, Front travel, Rear travel, Crank length, Stem angle, Seatpost length and Dropper post travel.

Specifications

Frame and fork

Intended fit: Unisex
Frame material: Carbon
Bicycle weight: 19 kg

41.9 lb
Weight limit: 130 kg

286.6 lb

Suspension

Suspension configuration: Full suspension
Front travel: 130 mm

Drivetrain

Derived by Bikelake

Front chainrings: 1
Rear sprockets: 12
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

Additional specifications

Fork spring: Air
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

130 mm

This value is within the central range for this class.

Cohort: Mountain / Trail Model year: 2026
Sample: 1,640 bicycles with this information
Coverage: 96.3% of the class

Shifting

Mechanical

388 of 1,702 bicycles with this information use electronic shifting.

Cohort: Mountain / Trail Model year: 2026
Sample: 1,702 bicycles with this information
Coverage: 100.0% 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 2026 builds

Differences across 2026 builds
Specification	This bicycle Flyer G1 Uproc SL:X 8.70	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	Carbon	Aluminum	Carbon	Carbon	Carbon	Carbon
Bicycle weight	19 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	Full suspension	Hardtail	Full suspension	Full suspension	Full suspension	Full suspension
Front travel	130 mm	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	12	1	1	1	1	1
Smallest sprocket	10	Not informed	Not informed	Not informed	Not informed	Not informed
Largest sprocket	51	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	Dropper seatpost	suspension	Dropper seatpost	Dropper seatpost	Dropper seatpost	Dropper seatpost
Other specifications
Suspension	Full suspension	Hardtail	Full suspension	Full suspension	Full suspension	Full suspension
Bottom bracket standard	Not informed	Pinion	Not informed	Not informed	Not informed	Pinion
Tire width	Not informed	2.35″	Not informed	Not informed	Not informed	Not informed