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2026 Allied

bc40 sram x0 eagle

A 29″ carbon frame full suspension trail bike with modest components.
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Manufacturer Price

$8,735
FrameCarbon
SuspensionFull, 120 / 120mm
Wheels29″ Aluminum
GroupsetX0 Eagle Transmission
BrakesHydraulic Disc
SeatpostDropper
View on alliedcycleworks.comLearn about Allied
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Insights
Ride Feel

Based on frame geometry and build specs.

Terrain
easyextreme
Handling
nimblestable
bc40 sram x0 eagle
Other Trail bikes
Sizing
SM

5'2" – 5'8"

MD

5'6" – 5'11"

LG

5'10" – 6'3"

XL

6'1" – 6'7"

🐐 Estimated

Rider Fit Notes

None yet.

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Reviews
Bikerumor
Updated: Allied Adds Ultra-light + Adjustable DUET Cockpit System, Lighter BC40 & Signs Courtney!

Jan 2025 · Jordan Villella

Allied Cycle Works has announced a partnership with cross-country mountain bike champion Kate Courtney and her She Sends Racing program.

Read Review

Escape Collective
Allied Cycle Works BC40 review: The modern marathon machine - Escape Collective

Dec 2023 · James Huang

The distillation of the perfect downcountry bike, as interpreted by boutique American builder Allied Cycle Works.

Highs
  • Truly incredible pedaling efficiency

  • Balanced handling

  • Excellent frame stiffness

  • Gorgeous lines

  • Heaps of options

  • Small-batch pedigree

  • Not as expensive as you think.

Lows
  • So-so small-bump compliance

  • Bottle clearance could be better

  • Only four sizes

  • Needlessly oversized cockpit.

Read Review

Geometry
Specs
Build
Headset

Wolf Tooth Performance IS 41/52 Headset - Black

Stem

TruVativ Atmos 7K Stem - 50mm

Handlebar

Truvativ Atmos Carbon Flat Bar - 760mm

Saddle

Selle Italia Model X Saddle - L3 Grey

Seatpost

OneUp Dropper (V3) w/Lever - 31.6x120mm

TypeDropper

Groupset
Crank

SRAM XO Eagle Transmission Crankset - 165MM 32T

Brakes

Hydraulic Disc

TypeHydraulic Disc

Wheels
Rims

Industry Nine 1/1 Whisp Race Wheelset - XD

Tires

Vittoria Syerra TLR - 29x2.4 Black

Rider Notes
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First added April 26

Last updated April 26

Not listed for 33 days