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Sunn Radical Finest SRAM GX Eagle Lunar 12v vs Lapierre Xrm 8.9 Deore XT

Sunn Radical Finest SRAM GX Eagle Lunar 12v, side view

Sunn

Radical Finest SRAM GX Eagle Lunar 12v

Lapierre Xrm 8.9 Deore XT, side view

Lapierre

Xrm 8.9 Deore XT

High endEnduroFull suspensionCarbon2026
Mid-rangeFull suspensionCarbon29"2025

Close on the specs and the list price: here are their 21 differences, line by line.

Sunn Radical Finest SRAM GX Eagle Lunar 12v, side viewSunnSunn Radical Finest SRAM GX Eagle Lunar 12v
Lapierre Xrm 8.9 Deore XT, side viewLapierreLapierre Xrm 8.9 Deore XT

At a glance

  • Lapierre Xrm 8.9 Deore XT is 3.6 kg lighter than Sunn Radical Finest SRAM GX Eagle Lunar 12v (brand figures).
  • Sunn Radical Finest SRAM GX Eagle Lunar 12v has the higher-range groupset: SRAM GX Eagle Lunar 12v, against Shimano Deore XT M8100 12 vitesses.
  • Sunn Radical Finest SRAM GX Eagle Lunar 12v has 50 mm more fork travel than Lapierre Xrm 8.9 Deore XT.
  • Sunn Radical Finest SRAM GX Eagle Lunar 12v is the newer model (2026).
Key specs9 differences
Model year 2026 2025
Weight 15.8 kg 12.2 kg °Value not published by the brandBest of the comparison−3.6 kg
FrameSame for all Carbon
As printed

FULL CARBON TORAY ENDURO BOOST, INTEGRATED, 160MM

 Carbon
As printed

Cadre : HIGH Carbon Gents

Suspension Full suspension, 170 / 160 mm
As printed

Débattement 170/160 ; amortisseur FOX FLOAT X2 FACTORY KASHIMA TRUNNION 205/60

 Full suspension, 120 / 120 mm
As printed

Débattement arrière : 120 mm

Fork model Fox 38 Float Factory Kashima 170mm, Boost, tapered FOX Factory 34 Float SL F-S Grip SL
As printed

Fourche : FOX Factory 34 Float SL F-S Grip SL, 120 mm

Shock Fox Float X2 Factory Kashima Trunnion 205/60 Higher range FOX Factory Float Factory Series, 210x55 mm
As printed

Amortisseur : FOX Factory Float Factory Series, 210x55 mm

Wheelset 29" · DT Swiss E1900 Spline tubeless 29" · DT Swiss XR 1700 SPLINE® 622x25c °Value not published by the brand
DrivetrainSame for all 1×12 1×12
Groupset SRAM GX Eagle Lunar 12v Higher range
As printed

SRAM GX EAGLE LUNAR 12V AR / SRAM GX EAGLE 12V

 Shimano Deore XT M8100 12 vitesses
As printed

Derailleur Arrière : Shimano Deore XT RD-M8100-SGS 12s, Shadow +

Brake model Formula Cura 4 220/203 Shimano MT800 180mm/160mm Centerlock °Value not published by the brand
Seatpost Dropper · BRUTE DROPPER 130MM (S)
As printed

BRUTE DROPPER 130MM (S), 150MM (M), 170MM (L/XL)

 Dropper · Limotec A1 Light dropper, Ø: 31.6mm, travel 100mm (S,M)
As printed

Tige de selle : Limotec Dropperpost A1 Light Dropper, Dia. 31.6 mm, Travel: 100 mm 345 mm

Prices

Each model's retailers, delivered to your country, and their prices over time.

Sunn Radical Finest SRAM GX Eagle Lunar 12v

Sunn Radical Finest SRAM GX Eagle Lunar 12v

Lapierre Xrm 8.9 Deore XT

Lapierre Xrm 8.9 Deore XT

Character

The bike at a glance: the ground it is made for, how it handles, its gears and its equipment, beside the other bikes of its kind.

  • Radical Finest SRAM GX Eagle Lunar 12v · Mountain bike rather for smooth ground, rather high equipment.
  • Xrm 8.9 Deore XT · Mountain bike rather demanding, average equipment.
Terrain
Sunn Radical Finest SRAM GX Eagle Lunar 12v 38%Lapierre Xrm 8.9 Deore XT 65%1 bike1 bike3 bikes · Sunn Radical Finest SRAM GX Eagle Lunar 12v1 bike · Lapierre Xrm 8.9 Deore XT4 bikes
EasyDemanding

Gearing

Speed in the lowest and the highest gear at 90 rpm: lower on the left climbs easier, higher on the right goes faster.

  • Sunn Radical Finest SRAM GX Eagle Lunar 12v8 km/h - 40 km/h
Easiest gear (climbing)Hardest gear (descending)
Sunn Radical Finest SRAM GX Eagle Lunar 12vLapierre Xrm 8.9 Deore XTother enduro mountain bikes

Components and specs

Every spec line by line; the higher range of a component is marked. The technical groups are folded.

Ride type
Discipline Enduro
As printed

VTT Enduro conçu pour le plaisir, la performance, et taillé pour la compétition

–Not given
Frame and fork
AxlesSame for all Thru-axles
As printed

BOOST, THRU AXLE

 Thru-axles °Value not published by the brand
As printed

XR full Carbon 110mm travel 29’’, pressfit, boost, metric, Thru axle

Bottom bracket–Not given Shimano MT800 Press Fit °Value not published by the brand
Suspension2 differences
Fork travel 170 mm 120 mm −50 mm
Rear travel 160 mm 120 mm −40 mm
Drivetrain4 differences
Groupset brand SRAM Shimano
As printed

Derailleur Arrière : Shimano Deore XT RD-M8100-SGS 12s, Shadow +

ShiftingSame for all Mechanical °Value not published by the brand
As printed

SRAM GX EAGLE LUNAR 12V AR

 Mechanical
As printed

Levier de vitesse droit : Shimano Triggershift Deore XT SL-M8100-R, Rapidfire+

ChainringsSame for all 1 °Value not published by the brand 1 °Value not published by the brand
Gears at the backSame for all 12 12
Chainring teeth SRAM GX Eagle Boost 165mm 32T Higher range Deore XT FC-M8120 Crankset
As printed

Pédalier : Deore XT FC-M8120 Crankset

Cassette SRAM Eagle XG1275 12v 10-52 XD Shimano Cassette Deore CS-M6100-12, MICRO SPLINE
As printed

Cassette : Shimano Cassette Deore CS-M6100-12, MICRO SPLINE

Rear derailleur SRAM GX EAGLE LUNAR 12V AR °Value not published by the brandHigher range Shimano Deore XT 12s Shadow + °Value not published by the brand
Shifters–Not given Shimano Deore XT 12s Rapidfire °Value not published by the brand
Brakes
BrakesSame for all Hydraulic disc °Value not published by the brand
As printed

Formula Cura 4 Disque hydraulique

 Hydraulic disc °Value not published by the brand
As printed

Shimano XT Disque hydraulique

Front rotor 220 mm –Not given
Rear rotor 203 mm –Not given
Wheels and tyres2 differences
Wheel sizeSame for all 700c / 29" 700c / 29"
As printed

Pneus : Maxxis Ardent Race 3C MaxxSpeed EXO TR 2.35 120 TPI 60-622

RimsSame for all Aluminium °Value not published by the brand Aluminium °Value not published by the brand
Tubeless ready yes °Value not published by the brand–Not given
Tyres Michelin Wild Enduro MS Racing Line 29x2.40 TLR Maxxis Ardent Race 3C MaxxSpeed EXO TR 2.35 120 TPI 60-622
As printed

Pneus : Maxxis Ardent Race 3C MaxxSpeed EXO TR 2.35 120 TPI 60-622

Tyre width fitted 61 mm °Value not published by the brand 60 mm −1 mm
Cockpit and seatpost4 differences
Dropper travel–Not given 100 mm
Handlebar width 780 mm 760 mm °Value not published by the brand−20 mm
Handlebar 3D FORGED ALLOY, INTEGRATED 31.8X45MM °Value not published by the brand RACE FACE TURBINE, Width: 760mm, Rise: 1/2”, Ø: 31.8mm °Value not published by the brand
Stem 3D FORGED ALLOY, INTEGRATED 31.8X45MM °Value not published by the brand Lapierre AL6061 alloy, -6°, Ø: 31.8mm °Value not published by the brand
Seatpost model BRUTE DROPPER 130MM (S) °Value not published by the brand Limotec A1 Light dropper, Ø: 31.6mm, travel 100mm (S,M) °Value not published by the brand
Weight
Max total weight–Not given 120 kg
Geometry
Head angle 64 ° –Not given
Seat angle 77.5 ° –Not given
Chainstays 445 mm –Not given

° Value not published by the brand

Where to buy them

Compare the whole Sunn Radical rangeCompare the whole Lapierre Xrm range

Frequently asked questions

Which is lighter, Sunn Radical Finest SRAM GX Eagle Lunar 12v or Lapierre Xrm 8.9 Deore XT?

Lapierre Xrm 8.9 Deore XT weighs 12.2 kg, Sunn Radical Finest SRAM GX Eagle Lunar 12v 15.8 kg, as their brands give them.

What groupset do Sunn Radical Finest SRAM GX Eagle Lunar 12v and Lapierre Xrm 8.9 Deore XT come with?

Sunn Radical Finest SRAM GX Eagle Lunar 12v: SRAM GX Eagle Lunar 12v. Lapierre Xrm 8.9 Deore XT: Shimano Deore XT M8100 12 vitesses.

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