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2025 Origine

GT Theorem M2

A 29″ carbon frame hardtail crosscountry bike with high-end components.
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Manufacturer Price

€2,739($3,187)
Weight0.1 lbs (frame)  
FrameCarbon
SuspensionHardtail, 100mm
ForkRockShox SID SL Select
Wheels29″ Aluminum
Drivetrain1 × 12
GroupsetGX Eagle
BrakesHydraulic Disc
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Insights
Ride Feel

Based on frame geometry and build specs.

Terrain
easyextreme
Handling
nimblestable
GT Theorem M2
Other Crosscountry 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

GT Theorem M2

27 mph

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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 GT model range

View Comparison
Sizing
SM

5'0" – 5'7"

MD

5'5" – 5'11"

LG

5'9" – 6'3"

XL

6'1" – 6'7"

Rider Fit Notes

None yet.

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Geometry
Specs
Build
Fork

Sid SL Select 100mm Remote

Travel100mm

Stem

SLA L2 MTB

Handlebar

MTN 2x WCS 740

Saddle

Kappa Space Allroad

Seatpost

Monobloc forged alu 0 Offset 30.9 400mm

TypeRigid

Pedals

Without pedals

Grips

True grip X Comp

Groupset
Rear Derailleur

GX Eagle 12s Lunar

Crank

GX Eagle 32 single Dub

Power Meter

No power meter

Cassette

GX Eagle 10-52 12 s

Brakes

MT-501 X

TypeHydraulic Disc

Wheels
Rims

Red Zone 500

Tires

Force AM Competition Line 29x2.25

Rider Notes
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First added November 22

Last updated November 22

Not listed for 119 days