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2025 Rossignol

Enduro Heretic Deore 12

A 27.5″ / 29″ aluminum frame full suspension enduro bike with upper mid-range components.
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Manufacturer Price

£1,819($2,404)
FrameAluminum
SuspensionFull, 160 / 160mm
ForkRockShox ZEB
ShockRockShox Deluxe Select+
Wheels27.5″ / 29″ Aluminum
GroupsetDeore
BrakesShimano Deore Hydraulic Disc
SeatpostDropper
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Insights
Ride Feel

Based on frame geometry and build specs.

Terrain
easyextreme
Handling
nimblestable
Enduro Heretic Deore 12
Other Enduro bikes
Gearing

A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

Lowest gear

(climbing)

28 mph

Enduro Heretic Deore 12

26 mph

Similar Bikes

Highest gear

(descending)

Spec Level

Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more.

Compare the full Enduro model range

View Comparison
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
Enduro Mountainbike Magazine
New 2025 Rossignol Heretic – aluminium enduro bike on test

Apr 2025 · Julian Schwede

We put the new 2025 Rossignol Heretic GX T-Type enduro bike to the test to find whether the Frenchwinter sports brand also delivers on mountain bike trails.

Highs
  • HHigh composure and strong sense of security

  • Integrated tool

  • Beautifully shaped frame for an aluminium bike

Lows
  • Lacks mid-stroke support

  • Tires not ideally suited to the bike’s intented use

  • Dropper post far too short

  • Tool constantly exposed to dirt and mud

Read Review

Geometry
Specs
Build
Frame

Rossignol Trail 160mm travel | 6061 Alloy

BB StandardBSA, Threaded

Fork

RockShox ZEB BASE RUSH RC BOOST 15X110 MXL STEALTH DEBONAIR 160 GLOSS BLACK 44 OFFSET 1.5 TAPER A 28.6/39.8*265L, PM200

Travel160mm

Spring TypeAir

Shock

Rockshox Deluxe Select + RT, 85x55 Debonair 2 Token Mm Tune 320lb Threshold Trunnion Standard B 8x30mm Lower Mount

Travel160mm

Bottom Bracket

Shimano BB52

Headset

ZS (ZS44/28.6-ZS56/40) / (NO.57)

Stem

Rossignol MTB | 6061 Aluminum/ diameter 31.8mm/lenght : XS,S,M:40mm, L,XL: 50mm

Handlebar

Rossignol MTB | 6061 Aluminum, 30mm rise, Sweep: 9° back, 5° up/DIAMETER : 31,8mm, ANGLE : 0°, LENGHT: XS,S,M : 40mm, M,L,XL : 780mm

Saddle

WTB Silverado, medium, steel

Seatpost

KS EDGE I

TypeDropper

Pedals

MTB platform pedal

Grips

Rossignol lock on, diamond design with waffle grip

Groupset
Rear Derailleur

Shimano Deore M6100, SGS

Crank

Shimano Deore M6100, 32T

Shifters

Shimano Deore M6100, ISPEC EV

Cassette

Shimano Deore M6100, 10-51T

Chain

Shimano Deore M6100

Chain Guide

e*thirteen Vario

Brakes

Shimano M4100, ISPEC EV

TypeShimano Deore Hydraulic Disc

Brake Levers

Shimano M4100, ISPEC EV

Wheels
Rims

WTB ST i30 TCS 2.0 with Shimano hubs

Front Hub

Shimano MT400-B | J-Bend, Center Lock, 32h, TA 15x110

Rear Hub

Shimano MT410-B | J-Bend, Center Lock, 32h, TA 12x148, Micro Spline

Tires

Maxxis Assegai, 2.5, EXO, TR

Disc Rotors

Avant: Shimano Deore RT64, Center Lock, 203mm / Arrière: Shimano Deore RT64, Center Lock, 203mm

Rider Notes
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First added August 2

Last updated June 13

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