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Graxx GTS Flatbar

Graxx GTS Flatbar

All-terrain gravel bike


Graxx GTS Flatbar: The all-terrain carbon gravel bike

The Graxx GTS Flatbar: accessible versatility for all your adventures. It excels on both roads and trails. Its high-modulus carbon frame combines performance and lightness, while its upright position and comfort-optimized geometry invite you to cover long distances effortlessly. Although its comfort slightly lags behind the GTO version, this can be improved by opting for wider tyres.

Designed for regular athletes and explorers alike, it offers ample carrying options to keep you well-equipped for every journey. With its dynamic handling, it remains enjoyable and efficient, even on extended rides.

Select your model

Graxx GTS Flatbar M1
Graxx GTS Flatbar M1
Frameset
Origine
Graxx GTS Flatbar
Derailleurs
Shimano
Tiagra Fitness disc
Crankset
Shimano
Tiagra Compact 50/34 BS
Cassette
Shimano
HG-50 11-34
Wheelset
DT Swiss
G 1800 Spline (available feb. 2025)
Seat post
Uno
Monobloc 27.2 350mm
Handlebar
Ritchey
Flat 580 mm
Stem
Ritchey
Switch Comp RL1 (semi-intégrée)
Prix : 2 054 € Poids : 8 804 g
Graxx GTS Flatbar M2
Graxx GTS Flatbar M2
Frameset
Origine
Graxx GTS Flatbar
Derailleurs
Shimano
GRX 400 2x10s Flatbar
Crankset
Shimano
GRX 600 46/30 10s
Cassette
Shimano
HG-50 11-34
Wheelset
DT Swiss
G 1800 Spline (available feb. 2025)
Seat post
Uno
Monobloc 27.2 350mm
Handlebar
Ritchey
Flat 580 mm
Stem
Ritchey
Switch Comp RL1 (semi-intégrée)
Prix : 2 140 € Poids : 8 969 g
Graxx GTS Flatbar M3
Graxx GTS Flatbar M3
Frameset
Origine
Graxx GTS Flatbar
Derailleurs
Shimano
SLX 1x12v
Crankset
Shimano
GRX 820 40D
Cassette
Shimano
SLX M7100 12s 10-51
Wheelset
DT Swiss
G 1800 Spline (available feb. 2025)
Seat post
Uno
Monobloc 27.2 350mm
Handlebar
Ritchey
Flat 580 mm
Stem
Ritchey
Switch Comp RL1 (semi-intégrée)
Prix : 2 353 € Poids : 8 749 g
Graxx GTS Flatbar M4 AXS
Graxx GTS Flatbar M4 AXS
Frameset
Origine
Graxx GTS Flatbar
Derailleurs
Sram
Apex XPLR AXS 1x12v
Crankset
Sram
Apex 12v 40D
Cassette
Sram
Apex 12v AXS XPLR 11-44
Wheelset
DT Swiss
G 1800 Spline (available feb. 2025)
Seat post
Uno
Monobloc 27.2 350mm
Handlebar
Ritchey
Flat 580 mm
Stem
Ritchey
Switch Comp RL1 (semi-intégrée)
Prix : 2 803 € Poids : 8 659 g
Graxx GTS Flatbar M5 AXS
Graxx GTS Flatbar M5 AXS
Frameset
Origine
Graxx GTS Flatbar
Derailleurs
Sram
Apex XPLR AXS 1x12v
Crankset
Sram
Apex 12v 40D
Cassette
Sram
Apex 12v AXS XPLR 11-44
Wheelset
Prymahl
Vega A21 RS
Seat post
Uno
Monobloc 27.2 350mm
Handlebar
Ritchey
MTN Rizer WCS 580
Stem
Ritchey
Switch Comp RL1 (semi-intégrée)
Prix : 3 178 € Poids : 8 307 g

Technological benefits

Graxx GTS

Graxx GTS

The Graxx GTS is the new generation of the Graxx you know and which has established itself as a benchmark in the gravel sector. It retains its dynamic qualities and its capacity for long-distance riding. While it doesn't match the comfort of the Graxx GTO, it does make high-modulus carbon available to a wider public.
SPS molding

SPS molding

SPS technology is an innovative process that uses internal counter-moulds positioned along the entire length of the front triangle's three main tubes, compacting the carbon fiber evenly to optimize rigidity and durability.

Unlike the EPS molding used on higher-end ranges, SPS technology simplifies manufacturing processes while maintaining excellent performance levels. This know-how enables us to design high-performance, dynamic frames with remarkable steering precision.

With SPS, the GTS range proves that it's possible to combine advanced technology with accessibility, making every pedal stroke a smooth, enjoyable experience.
CCT+® technology

CCT+® technology

The CCT+® (Continuous Carbon Tubing®) rear triangle further enhances these features. The chain stays and seat stays on the Graxx are connected by a single continuous carbon tube, with no hard points between the bottom bracket shell and the seat clamp. Vibration from an imperfect ride surface is spread over the entire length of this continuous tube (bases + stays) for better filtration.
Internal cable routing

Internal cable routing

Other than the visual aspect, integration offers a number of significant advantages, especially for bikepackers.
The cables and outers do not restrict steering. It took months to develop this method of integration on our Fraxion, and so why not on our new GRAXX.
It’s because of this method of integration that the steering is even more fluid than non-integration.
Compatible with both 650B and 700C wheelsets

Compatible with both 650B and 700C wheelsets

Compatible with either 650B or 700C wheelsets, the Graxx is designed to take tyres up to 47mm.

The frame allows for maximum 700x45 and 650x47 tyre sizes for more versatility. You can give your bike as many personalities as you like, whether it's that unbeatable trail racer or the sharp blade for smooth asphalt, you choose the specifications and ride the bike that reflects your personality.
Technical specs

Technical specs

Graxx GTS frame
Bottom bracket: BSA 68mm
Top headset bearing: IS52 / 28.6
Lower headset bearing: IS52 / 40
Seatpost: 27.2mm
Maximum tyre dimensions: 700x45
or, 650x47
Front & rear flat mount brake discs 180mm or 160mm
Thru-axles: front 12 x 100 & rear 12 x 142mm
Integrated seat post clamp
Chainrings max: Single 38 to 44T or Double 46/30 to 52/36T
Water bottle cages: 3
Internal routing
Standard fork eyelets 64mm for water bottle cages
Tubus Tara luggage rack eyelets

Customer reviews

What the press say

Théorème GR - Review and test by Gravel & Bike
Théorème GR - Review and test by Gravel & Bike
Par Gravel & Bike
Théorème GR - Tested during a bikepacking trip...
Théorème GR - Tested during a bikepacking trip...
Par Weelz
Axxome RR: Grinta presents this exceptional bike!
Axxome RR: Grinta presents this exceptional bike!
Par Grinta
Origine Racing Division, a sensational start
Origine Racing Division, a sensational start
Par Vélo Vert
Axxome GTO Ultra - Press test by Cyclist magazine
Axxome GTO Ultra - Press test by Cyclist magazine
Par Cyclist