Forbidden Dreadnought E Tier 1

Name: Forbidden Dreadnought E Tier 1
Brand: Forbidden

2026 MountainCross-country Electric bicycle Manufacturer page

Forbidden Dreadnought E Tier 1, color Slayer

Last known price: $12,099

Prices shown first for United States
Wheels: 29″
Drivetrain: 1 × 12
Frame: Carbon
Brakes: Hydraulic disc

Sizes

Size guide

The manufacturer did not publish rider heights for these sizes.

Components

23 of 26 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

Dreadnought E Full Carbon Not identified

Electric system

2 parts

Battery
- Avinox
Motor
- Avinox

Suspension

3 parts

Drivetrain

6 parts

Brakes

2 parts

Wheels and tires

5 parts

Cockpit and contact points

7 parts

Grips

Forbidden Not identified
Handlebar
- OneUp
Headset
- FSA ORBIT IS 138
Pedals

Not included Not identified
Saddle
- Fizik Terra Aidon X5
Seatpost
- OneUp
Stem
- OneUp

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 S2

Table

Reach 445mm

Stack 648mm

Wheelbase 1257mm

Head angle 63.0°

Seat angle 76.8°

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	425	445	461	481
Stackmm	635	648	669	682
Top tube lengthmm	575	598	619	642
Seat tube lengthmm	400	420	440	470
Head tube lengthmm	100	115	138	153
Head tube angle	63°	63°	63°	63°
Seat tube angle	76.75°	76.75°	76.75°	76.75°
Chainstay lengthmm	434	449	463	478
Wheelbasemm	1215.5	1256.9	1298.2	1339.5
Front centermm	782	808	835	861
Bottom bracket dropmm	20	20	20	20
Bottom bracket heightmm	340.8	340.8	340.8	340.8
Standover heightmm	720	720	720	720
Fork rakemm	44	44	44	44
Trailmm	147	147	147	147
Stack/reach ratio	1.49	1.46	1.45	1.42

Not published by the manufacturer: 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

Suspension

Suspension configuration: Full suspension

Drivetrain

Derived by Bikelake

Front chainrings: 1
Rear sprockets: 12

Wheels and brakes

Wheel configuration: Same size
Brake type: Hydraulic disc

Fit and controls

Derailleur hanger: UDH
Seatpost: Dropper seatpost
Shifting: Electronic

Additional specifications

Battery: Avinox
Fork spring: Air
Travel: Front: Additional specification: Not available: No
Rear: Additional specification: Not available: No
Wheel material: Carbon
Wheel size: 29″

Technical analysis

1 measure

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

Shifting

Electronic

156 of 1,318 bicycles with this information use electronic shifting.

Cohort: Mountain / Cross-country Model year: 2026
Sample: 1,318 bicycles with this information
Coverage: 98.2% 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 Forbidden Dreadnought E Tier 1	Forbidden Dreadnought E Tier 2	Forbidden Dreadnought E Tier 3	Forbidden Dreadnought E Tier 4
Cockpit
Derailleur hanger	UDH	UDH	Not informed	Not informed
Shifting	Electronic	Electronic	Mechanical	Mechanical
Other specifications
Wheel material	Carbon	Aluminum	Aluminum	Aluminum