To determine the exact frame size as per your body structure and riding preferences, GT advises its customers to visit its local store or retailer and take the test ride. But, to make the sizing process easier and faster, you need to do some homework. The first step is to go through the geometry chart of the GT bicycle type and model you intend to buy. Unfortunately, the official GT bike size charts don’t provide the rider’s height according to the frame size.
This is the reason why I have made this post. GT offers massive collection of bicycles in different categories for riders of all levels and heights, ranging from BMX, MTB, to dirt bikes. The brand has so far produced more than 110 bike models at different price tags. Many of the models or series are old as a decade, upgrading every year with new components and naming, such as Carbon, Elite, Expert, PRO, Sport, Signature, etc.
Below is the GT bicycle sizing guide along with the GT bike models by year.
Note: Use the charts as a starting point. They are just a general guideline and give you an estimated frame size as per your height. Consider getting a professional bike fit at GT store. If you fit in between two sizes, the brand recommends sizing down.
GT mountain bike size guide
Hardtail
| HEIGHT | SUGGESTED FRAME SIZE |
|---|---|
| 5’0″-5’3″ / 152-160cm | XS / 13″ |
| 5’3″-5’7″ / 160-170cm | S / 15″ |
| 5’7″-5’10” / 170-178cm | M / 17″ |
| 5’10”-6’2″ / 178-188cm | L / 19″ |
| 6’2″-6’5″ / 188-196cm | XL / 21″ |
| 6’5″-6’9″ / 196-205cm | XXL / 23″ |
Full suspension/downhill
Category: Enduro, Trail, and Gravity
| HEIGHT | SUGGESTED FRAME SIZE |
|---|---|
| 5’2″-5’6″ / 158-168cm | Small |
| 5’6″-5’10” / 168-178cm | Medium |
| 5’10”-6’2″ / 178-188cm | Large |
| 6’2″-6’5″ / 188-196cm | X-Large |
GT road bikes sizing
Category: Gravel and Fitness
| HEIGHT | SUGGESTED FRAME SIZE |
|---|---|
| 5’0″-5’3″ / 152-160cm | XS / 50cm |
| 5’3″-5’7″ / 160-170cm | S / 52cm |
| 5’7″-5’10” / 170-178cm | M / 54cm |
| 5’10”-6’0″ / 178-182cm | L / 56cm |
| 6’0″-6’3″ / 182-190cm | XL / 58cm |
| 6’3″-6’7″ / 190-200cm | XXL / 60cm |
GT BMX bike size chart
Freestyle, Big Wheels, and BMX Kids
| HEIGHT (feet) | HEIGHT (cm) | WHEEL SIZE |
|---|---|---|
| 2’10”-3’7″ | 85-110cm | 12″ |
| 3’1″-3’7″ | 94-110cm | 14″ |
| 3’7″-4’0″ | 110-122cm | 16″ |
| 4’0″-4’10” | 122-147cm | 18″ |
| 4’10” + | 147cm + | 20″ |
| 4’10” + | 147cm + | 24″ |
| 4’10” + | 147cm + | 26″ |
| 4’10” + | 147cm + | 29″ |
BMX Race
| HEIGHT (inch) | HEIGHT (cm) | MODELS (ONE SIZE) |
|---|---|---|
| Up to 4 feet | Up to 122cm | Micro |
| 4’0″-4’4″ | 122-132cm | Mini |
| 4’3″-4’7″ | 129-140cm | Junior |
| 4’6″-5’5″ | 137-165cm | Expert |
| 5’2″-5’6″ | 157-168cm | Expert XL |
| 5’4″-5’8″ | 162-173cm | Pro |
| 5’7″-6’0″ | 173-183cm | Pro XL |
| 6 feet + | 183cm + | Pro XXL |
| 6 feet + | 183cm + | Pro XXXL |
| 5’6″ + | 168cm + | Pro XL 24″ |
GT kids bike size chart
Category: Balance, MTB, Boys, and Girls
| AGES | HEIGHT | WHEEL SIZE |
|---|---|---|
| 2 – 5 | 2’10”-3’4″ / 86-102cm | 12″ |
| 5 – 7 | 3’4″-4’0″ / 102-122cm | 16″ |
| 7 – 9 | 4’0″-4’5″ / 122-135cm | 20″ |
| 9 – 14 | 4’3″-4’8″ / 129-142cm | 24″/26″ |
GT bike models by year
GT Bicycles keep enhancing their bike series and models with new features and technologies. Below is the GT bike models by year, from 2009 to 2023, which I have collected from catalogs, magazines, and different other sources.
2009
- Fury
- Sanction
- Force
- Marathon
- Zaskar
- Avalanche
- Outpost
- Aggressor
- Laguna
- Ruckus
- Chucker 2.0
- Peace
- GTR
- Transeo
- Nomad
- Vantara
- Windstream
- Aerostream
- Stomper
- Lola
- Sensor
- Tachyon
- Traffic
2010
- Bump
- Calafia
- Compe
- El Centro
- Fly
- La Chiva
- Mach One
- Mach One Expert
- Performer
- Peace 29
- Power Series/PRO
- Power Expert
- Power Junior
- Power Series Ultra Box
- Slammer
- Speed Series
- Steed
- Zone
- Air
- Scamp
2011
- Avalanche X
- Sensor Pro/Expert
- Force Carbon
- Ruckus 7/DJ
- Distortion
- La Bomba
- Karakoram
- Zaskar Carbon/Alloy
- GTR Carbon
- CX, CX Pro
- Transeo Ultra
- Gutterball
- Streamline Windstream
- Streamline Aerostream
- Nomad 2.0/3.0
- El Centro
- Fueler
2012
- Fury Carbon/Alloy
- Distortion 2/3
- Sensor 9R
- Karakoram 1/2/3/4
- Avalanche 1/2/3/4
- Aggressor 1/2/3
- Palomar
- Zaskar 100/9R/Pro
- GTR TYPE CX 1/2
- Tachyon 3/4
- Transeo 1/2/3/4
- Traffic Internal
- Traffic 1/2/3/4
- Nomad 1/2
- Interceptor
- Channel
- Ricochet
2013
- Ruckus DJ Zero
- Sensor 9R Comp/4
- Timber Line 1/2
- Zaskar Carbon 9R Elite/Expert/Comp
- GTR Pro/Elie Carbon, GTR Series 2
- Corsa 1/2
- Nomad 1 Mens/Ladies
- Cage
- Interceptor Pro
- Pro Series
2014
- Force Carbon Pro
- Sensor Expert
- Karakoram Hans Rey
- Karakoram Elite GTW
- 650BMX
- EX
- Ruckus Zero
- La Bomba 2.0
- Zaskar Carbon 100 9R Expert
- Zaskar Carbon 9R Elite
- Corsa Disc
- Tachyon 2
- Meatball
2015
- Wise
- Wise Signature
- DLSY
- DLSY Signature
- Grade
- Fury World Cup
- Fury Expert/Elite
- Mach One Pro/Expert FW
- Mach One Push
- Force X Carbon
- Force X Sport/Expert
- Censor Carbon Expert
- Censor Carbon Pro/Expert/Comp/Elite
- Sensor X Pro
- Karakoram Elite/Comp/Sport
- Avalanche Elite/Sport
- Helion Carbon Pro/Expert
- Helion Expert/Comp/Elite
- Zaskar Le Expert
- Zaskar Elite/Comp/Sport
- Timberline Comp/Expert/Sport
- Palomar Womens
2016
- Grade Carbon
- Grade Alloy X/105/Tiagra/Sora/Claris
- Grade FB/Expert/Elite/Comp
- Wise XL
- BK (Brian Kachinsky)
- BK Signature/XL
- Sanction Team/Pro/Expert
- Sensor Carbon Expert
- Verb Expert/Comp/Elite
- Avalanche Comp
- Zaskar Carbon Expert/Elite
- Aggressor Expert/Comp/Sport
- Globetrotter
2017
- Fury Team/Pro Sram
- Sanction Team Comp
- Force Carbon Pro Sram
- Force Carbon Expert
- Force Expert/Sport
- Sensor Carbon Pro
- Sensor Elite/Comp
- Pantera Expert/Elite/Comp
- Helion Expert 9R
- Helion Carbon Expert 9R
- Helion Elite 9R
- Zaskar Carbon/Expert/Elite/Comp Pro 9R
- Palomar AL
- Grade Carbon Red/Ultegra/105/Tiagra
- Grade 105/Tiagra/Sora/Claris, Grade CX
- Grade CX Force/Rival
- GTS Elite/Expert/Comp/Sport
- Transeo 5/6
- Transeo Step Thru 1/2/3/4/5/6
- Traffic 1.0/2.0 Equipped
- Traffic 1.0/2.0 Equipped Step Thru
- Nomad 1/2 Step Through
- BK Team
- BK Team Signature/Comp
- Wise Team
- Wise Team Signature/Comp
- Phelan Team
- Phelan Team Comp
- Performer 2.0, Pro Performer
- Jr/Lil Pro Performer
- Speed Series Pro
- Pro Series Pro/Micro
2018
- Sensor Elite/Comp
- Zaskar Carbon Pro
- Zaskar Carbon Pro Comp/Elite/Expert
- Zaskar Al Elite/Comp
- Pantera Sport
- Avalanche Expert
- E Verb AMP/Current
- E Pantera Bolt/Dash
- E Traffic AMP/Bolt
- Grade Carbon Pro/Elite/Expert
- Grade Alloy Expert/Comp/CX
- Virage Expert/Elite/Comp
- Transeo Expert/Elite/Comp/Sport/Step-Thru
- Traffic Elite/Comp/Step Thru
- Nomad Elite/Comp Step Thru
- JPL Team
- JPL Team Comp
- Conway Team
- Conway Team Comp
- Stomper Max/Prime/Ace
- Outbound Ace/Prime
- Grunge Coaster/Freewheel/Boys
- Siren Freewheel/Coaster/Girls
- Vamoose Balance/Prime
2019
- Fury Carbon Team/Pro/Expert
- Sanction Elite, Force Elite/Comp
- Sensor Carbon Elite
- Verb Comp
- E Pantera Sport
- E Traffic AMP Step Thru
- GTR Elite/Comp/Sport
- Traffic X
- Mercado Team
- Mercado Team Comp
- Performer Top Tube
- Speed Series (Expert, Junior, Micro, Mini)
- Mach One Junior/Mini/16 FW
- Stomper Coaster
2020 (Australia)
- Force 29
- LaBomba
- LaBomba Pro
- Force Current
- Pantera Current
- Street Performer
- Siren 12″/16″
- Vamoose 12″/16″
2021
- Force Carbon Pro LE
- Force Carbon Elite
- Zaskar Carbon Comp, Zaskar LT Expert/Elite
- Palomar Ladies
- Labomba Pro/Rigid
- Force AMP
- Force AMP+
- Pantera Dash
- Grade AMP/Bolt/Current
- Power Performer
- Pro Series 24/26/29
- Dyno Pro Compe 24/29
- Performer 20.5/21/29
- Pro Performer 20/26/29
- Fueler 22
- Friendship
- Grunge 12/16/20
- Siren 20
- Force 29 Pro/Expert/Elite
2022 (updating)
- Pro Performer Heritage
2023 (updating)
- Zaskar FS Sport/Comp
- Sensor Carbon Pro LE
Did I miss out any? If so, comment below and help me update the list.
Closing thought
Founded by Gary Turner in 1972, GT Bicycles have been producing one of the finest bikes in the world. Their products are strong, durable, and trusted by athletes and professionals like Wyn Masters, Phil Metz, Brage Vestavik, Marting Maes, etc. I think they are on a par with other big players like GIANT and Cannondale.
