Sensor Comp

Whether you’re weekend warrior everyday adventurer, the Sensor Comp 29” trail bike brings out the best in your pedaling performance. Its aluminum frame mimics our carbon construction ethos, meaning less weight, more control for quicker handling on every ride—while keeping extra coin in your pocket. Float through long climbs, breeze over bumps and harness the speed of gravity thanks to 130mm of intuitive suspension and optimized geometry that join together for efficiency and responsiveness throughout every frame size. Finished with durable frame features and reliable components, Ride what makes you happy, shred what sets you free.

Marzocchi Bomber Z2, 140mm fork
Fox DPS Performance rear shock
SRAM SX drivetrain

See Full Spec

SM MD LG XL

Color

Out of stock

Add a Tool Kit

Don't have some basic bike tools at home? No problem. Add a tool kit to your order to ensure your ride is ready to rip and to help assemble your bike.

Find a Dealer

This bike will come partially assembled. We offer a free bike build program via GT Connect on every mountain or gravel bike purchased over $1000.

Want to build on your own? Please refer to these instructions and build video on how to assemble the bike.

Trail-Tune Geometry

With the goal of maximizing good times on trail; Sensor’s geometry inspires riders to push their fun to a whole new level. It’s 65 degree headtube angle keeps it poised on the descents and the steep 77 degree seattube angle makes climbing a breeze.

LTS Suspension

Linkage Tuned Suspension provides a consistent and efficient suspension platform. The 4-bar system is designed to be a highly tunable suspension platform that maintains ground hugging traction even under heavy braking.

Frame

frame Sensor Alloy 29” Frame, 130mm Travel, 12x148mm Thru-Axle, UDH

sizes available SM, MD, LG, XL

fork Marzocchi Bomber Z2, 140mm, 15x110mm, 44mm Offset

rear shock Fox DPS Performance, 185x50mm Trunnion

wheel size 29

Wheels

rims WTB ST i30 TCS 2.0, 32h, Tubeless Ready

front hub Formula, 15x110mm

rear hub Formula, 12x148mm, HG Freehub Body

front tire Maxxis Minion DHF, 29x2.5", EXO

rear tire Maxxis Dissector, 29x2.4", EXO

Drivetrain

rear derailleur SRAM SX Eagle

shifters SRAM SX Eagle, 12-Speed

rear cogs SRAM PG-1210, 11-50T

chain SRAM SX Eagle, 12-Speed

crank Truvativ Descendant 6K, 30T

bottom bracket Truvativ Powerspline BSA, 73mm

Cockpit

handlebar GT Alloy Riser Bar, 30mm Rise, 780mm, 5° Up, 8° Back (Width: S/M/L/XL - 80cm)

stem GT Alloy, 45mm

grips GT Mushroom

headset FSA No.42

seatpost GT DropKick, 31.6mm, (S - 125mm, M - 150mm, L/XL - 170mm)

saddle WTB Silverado

Brakes

brakes Tektro M745, 203/180mm Rotors

Please note that, based on component availability and other factors, specifications are subject to change without notice.

Fit Guide

XS: 4'8" - 5'1"
S: 5'0" - 5'6"
M: 5'5" - 5'11"
L: 5'10" - 6'2"
XL: 6'1" - 6'6"

Geometry

Sizes (mm)	SM	MD	LG	XL
Seat tube length	395	420	445	460
Seat tube angle effective	77.5 °	77.5 °	77.5 °	77.5 °
Top tube horizontal	551	579	607	646
Top tube actual	522	547	573	609
Head tube angle	65.5 °	65.5 °	65.5 °	65.5 °
Standover	740	740	745	755
Head tube length	110	120	130	140
Wheelbase	1176	1205	1234	1273
Front center	738	767	797	836
Chainstay length	440	440	440	440
Bottom bracket drop	35	35	35	35
Bottom bracket height	345	345	345	345
Fork rake	44	44	44	44
Trail	125	125	125	125
Stack	615	624	633	642
Reach	425	450	475	510
Travel front	140	140	140	140
Travel rear	130	130	130	130

What is included with the bike?

Owners Manual
Tool Kit for assembly (Shipped Separately)
Pedals are NOT included

Tool Kit Includes:

Torque Key with 2-6mm & T25 Bits
Shock Pump
Pedal Wrench
Cable Cutters

How does the bike arrive?

Our simple assembly process makes it possible to use your skills to assemble your GT at home. GT bikes will arrive 80% assembled. To get out riding, you will need to first install handlebars, seatpost, front wheel, brake rotor (if applicable) and a set of pedals. Click here to learn more about how your bike will arrive. Also, please reference the owner’s manual, included with the bike, to ensure your bike is assembled properly.

Is this bike eligible for GT Connect?

Yes, this bike is eligible for GT Connect. You can have your new bike built for free at your local GT dealer or a bike shop near you. Click here to learn more.

Are the wheels tubeless compatible?

Yes, the wheels are compatible with tubeless, but you will need sealant, valve stems, and tubeless tires to set it up tubeless.

What headset is used on the Sensor Alloy?

The Sensor Alloy has a Semi-Integrated, 1-1/8” - 1-1/2” head tube. It utilizes a ZS44/56 internal headset.

What is the max rotor size for the rear brake on the Sensor Alloy?

The max rotor size on the rear brake is a 203mm rotor. The native brake rotor size without an adapter is 180mm rotor.

Can I convert my Sensor Alloy to 27.5" or MX wheels?

No, the Sensor Alloy is only compatible with 29" wheels.

What derailleur hanger is used on the Sensor Alloy?

The derailleur hanger is a Sram Universal Derailleur Hanger (UDH). (Sram Part # 00.7918.093.000)

What is the max tire width on the Sensor Alloy?

The max tire width is a 2.5in wide tire.

Is the Sensor Alloy compatible with a coil shock?

Yes, it is compatible with a coil shock. The rear shock Eye-to-Eye / Stroke / Bushing Width is 185mm x 50mm Metric Trunnion/20mm x M8.

What is the maximum seatpost insertion on the Sensor Carbon?

The maximum seatpost insertion is: SM: 250mm MD-LG: 275mm XL: 297mm.

What bottom bracket is used on the Sensor Alloy?

The Sensor Alloy uses a BSA/73m bottom bracket.

What chain guide will work on the Sensor Alloy?

The Sensor Alloy will work with any ISCG-05 chain guide and bash guard mount.

What is the max rider weight on the Sensor Alloy?

The max rider weight is 305lbs/138kg.

Is touchup paint available?

Unfortunately, touchup paint is not available at this time as our paint codes are unique to our painter.

GT Tech Book

GT Owner's Manual

EN FR DE IT DU

Download PDF

Trail

Search Site