GT Sensor

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Release Year
Wheel Size
Number of Gears
Gearing Type
29.5, 34.6, 35.2, 31.9, 29 lb
Brake Type
Frame Material

Summary of Reviews

We have read all expert and user reviews on the GT Sensor. In summary, this is what cyclists think.

11 reasons to buy

  • Most riders described the handling of the GT Sensor as very stiff, responsive and lively.
  • A number of riders described the aggressive geometry (leaning over the front-end and high bottom-bracket) as beneficial for climbing and technical riding.
  • Some riders described the look and finish as impressive.
  • Most reviewers appreciated the ability to choose between two tire sizes (29” and 27.5”).
  • It was common for riders to note how well the GT Sensor handled pedalling, even on uphills.
  • Experienced riders mentioned how this bike was designed to be easily maintained, due to the replaceable threaded bottom-bracket and the removable ICSG (International Standard Chain Device) mounts for replacing chain-guides or skid-plates.
  • A number of riders mentioned that the protections on the GT Sensor were very tough, with a thick rubber covering beneath the down-tube, that protected the frame on carbon models.
  • Most reviews mentioned the benefits of the ‘flip-chip’, that allowed a simple adjustment of the rear suspension, using an Allen key.
  • Some reviews mention that the price is quite low, especially for the Sensor Carbon Pro, with its carbon frame and 1x12 drivetrain.
  • Many reviews mentioned that the effect of pedalling kickback on the rear suspension was minimal.
  • Almost every review mentions how much they liked the ‘groove-tube’, that sits cables neatly in the frame while leaving them easily accessible for adjustment.

5 reasons not to buy

  • Many riders said that the front fork was a little short – and would have replaced the provided 130mm shock with a 140mm spring.
  • Almost all reviewers saw the stack-height at the front of the bike as being too low. Many of them replaced the supplied handlebar with a riser bar.
  • A number of riders said that the provided ‘Sram Level Lt’ disc brakes were under-powered for the style of riding that the GT Sensor Carbon Pro is suited to.
  • A few riders said that the front tire wasn’t suitable and needed to be replaced with one that featured a softer compound material to improve cornering traction. It was predicted that it wouldn’t be durable.
  • Some riders with larger feet said that their heels could rub on the rear stays of the bike when cornering.

Bottom line

The GT Sensor is designed to sit within the new ‘Trail’ category of aggressive, full-suspension bikes. It has received high praise as a bike that can handle both demanding, rocky downhill riding and uphill climbs when needed. Riders almost universally mention the stiffness and maneuverability when describing how it handled. Almost all reviewers commented on the unusually slack head angle / steep seat-angle combination, which they saw as beneficial to technical riding and climbs. While some riders thought that a few components should be upgraded on the lower-end models (brakes, front tire, front fork), they were seen as more than adequate for most riders. These criticisms were minor compared to how impressed most riders were with this bike. The price-point on the GT Sensor Carbon Pro made it a very affordable choice for a carbon, full-suspension bike.

Expert Reviews

71/100 based on 2 rated expert reviews
Mountain Bike Rider

GT Sensor Alloy Sport Review

Frame quality and suspension performance are both first rate.
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Mountain Bike Magazin

GT Sensor Expert (Modelljahr 2019)

Those who maintain an aggressive riding style will have brutal fun with the sensor, the more “typical” rider might feel overwhelmed now and then.

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Review – The 2019 GT Sensor Carbon Expert…

First Look: 2019 GT Force and Sensor

You definitely feel the trail beneath you, but the Sensor is easy to control, carries speed well, and corners with snappy responsiveness.

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First Ride Impressions of GT’s New Force and Sensor

For a mid-travel 29er, it rides very well up and down hills and it’s a bike I’d be keen to spend more time on.

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GT Bikes’ Brand New Force and Sensor

The Sensor is, foremost, a 29er trail bike. It’s not a long legged XC race bike, nor particularly an enduro machine…

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Mountain Bike Rider

GT Sensor Carbon Pro First Ride Review

It’s a great 29er trail bike and while I’m not sure if the latest LTS design is going to be enough to bounce GT back to the dizzying heights of its success in the 90s, the new Sensor 29er platform puts it squarely back in the running.
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[First Ride] The GT Sensor With New LTS Suspension

An efficient bike when on the gas and on the climbs, but at the same time it is a lot of fun on the downhills. The new suspension eats everything up…

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First Ride: 2019 GT Force and Sensor

The Sensor feels more like a shorter travel all-mountain bike than anything else, which makes sense given its geometry numbers. It remained composed on rockier, rougher sections of trail…

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All-new GT Force and Sensor First Ride Review

…it feels like there’s a decent amount of low-speed compression damping in the shock; it doesn’t bob much but feels firm over small bumps.

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Flow Mountain Bike

2019 GT Force and Sensor – Bringing Back the LTS.

…while it doesn’t feel like a featherweight it climbs technical trails so very well, and with a robust frame and tough tyres we had the confidence to hammer the descents.

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GT Gives LTS New Life With All New 2019 Force 27.5 and Sensor 29 Mountain Bikes

Along with better suspension performance, the design should also be good news when it comes to maintenance.

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NZ Mountain Biker

GT Sensor Carbon Elite

The days of 29ers being “for XC only” are long gone and the Sensor is a bike emblematic of this.

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Första titt (First Look)– GT Sensor Pro 29 – 2019

The model name has been used before but this is a completely redesigned bike that has been updated according to the latest preference, ie long – flat – low.

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Långtidstest (Long-term Test) – GT Sensor 2019

GT Sensor is a fun little bike. This is mainly due to the geometry, the rigid frame and a stroke that is not overcrowded.

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Présentation & Essai | GT Sensor and Force : le début d’une nouvelle ère (The Beginning Of A New Era)

In short, it is all the characteristics of a kinematic that puts first and foremost the emphasis on downhill performance and technical terrain, more than pure performance.

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User Ratings

60/100 based on 2 ratings
  • 5 star
  • 4 star
  • 3 star
  • 2 star
  • 1 star


Compared to other bikes
#150 Best Mountain
Bottom 10%
#71 Best Trail
Bottom 10%
#4 Best GT Bike
Bottom 40%
#538 Best of All Bikes
Bottom 10%

Bike Comparison

GT Sensor in comparison to averages


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