Allied bc40 SRAM X0 Eagle

Name: Allied bc40 SRAM X0 Eagle
Brand: Allied

2025 MountainTrail Manufacturer page

Last known price: $8,735

Prices shown first for United States
Travel: 120 / 120 mm Fork / rear shock
Wheels: 29″
Drivetrain: 1 × 12 10–52t
Gear range: 520%
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

14 of 14 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.

Suspension

1 part

Fork
- RockShox SID

Drivetrain

7 parts

Brakes

1 part

Brakes
- SRAM Motive

Wheels and tires

2 parts

Cockpit and contact points

4 parts

Sizes and geometry

4 sizes Open in the geometry plotter

Enter your height to highlight matching ranges.

Size MD

Table

Reach 445mm

Stack 609mm

Wheelbase 1174mm

Head angle 66.5°

Seat angle 76.0°

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
Reachmm	420	445	475	501
Stackmm	598	609	622	633
Top tube lengthmm	569	596	630	659
Seat tube lengthmm	395	420	450	500
Head tube lengthmm	95	105	120	135
Head tube angle	66.5°	66.5°	66.5°	66.5°
Seat tube angle	76°	76°	76°	76°
Chainstay lengthmm	435	435	435	435
Wheelbasemm	1145	1174	1210	1241
Front centermm	710	739	778	806
Bottom bracket dropmm	40	40	40	40
Bottom bracket heightmm	334	334	334	334
Fork rakemm	44	44	44	44
Trailmm	114	115	114	114
Stack/reach ratio	1.42	1.37	1.31	1.26

Not published by the manufacturer: Standover height, 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
Front travel: 120 mm
Rear travel: 120 mm

Drivetrain

Derived by Bikelake

Front chainrings: 1
Rear sprockets: 12
Smallest sprocket: 10
Largest sprocket: 52

Wheels and brakes

Wheel configuration: Same size
Brake type: Hydraulic disc

Fit and controls

Derailleur hanger: UDH
Seatpost: Dropper seatpost
Shifting: Electronic

Additional specifications

Bottom bracket standard: BSA
Fork spring: Air
Tire width: 2.4″
Wheel material: Carbon
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

120 mm

This value is within the central range for this class.

Cohort: Mountain / Trail Model year: 2025
Sample: 1,810 bicycles with this information
Coverage: 97.5% of the class

Shifting

Electronic

388 of 1,849 bicycles with this information use electronic shifting.

Cohort: Mountain / Trail Model year: 2025
Sample: 1,849 bicycles with this information
Coverage: 99.6% 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

Differences across 2025 builds
Specification	This bicycle Allied bc40 SRAM X0 Eagle	Allied bc40 m8100 Shimano XT	Allied bc40 m9200 Shimano XTR Di2	Allied bc40 SRAM GX Eagle	Allied BC40 SRAM GX Eagle Transmission	Allied BC40 SRAM X0 Eagle Transmission
Frame
Frame weight	Not informed	1.95 kg	1.95 kg	Not informed	1.95 kg	1.95 kg
Drivetrain
Largest sprocket	52	51	51	52	52	52
Smallest chainring	Not informed	Not informed	32	Not informed	Not informed	Not informed
Largest chainring	Not informed	Not informed	32	Not informed	Not informed	Not informed
Lowest gear	Not informed	Not informed	18.2 in	Not informed	Not informed	Not informed
Highest gear	Not informed	Not informed	92.8 in	Not informed	Not informed	Not informed
Cockpit
Derailleur hanger	UDH	Not informed	Not informed	Not informed	Not informed	UDH
Shifting	Electronic	Mechanical	Electronic	Electronic	Electronic	Electronic
Other specifications
Fork spring	Air	Not informed	Air	Not informed	Not informed	Air
Wheel material	Carbon	Aluminum	Carbon	Aluminum	Aluminum	Carbon
Tire clearance	Not informed	Maximum tire width: 2.4″	Maximum tire width: 2.4″	Not informed	Maximum tire width: 2.4″	Maximum tire width: 2.4″