The Sego

Opening new dimensions of speed
Faster than ever before


Designed with zero compromises:
– Automatic shifting gearbox
– Belt drive system,
– CNC machined from space-grade aluminum
– Bonded carbon tubes


The Sego builds on years of development in the harshest and most competitive environment in all of cycling:
The UCI Downhill World Cup


This pure racing machine has only one purpose – to open new dimensions of speed and inspire you to ride faster than ever before.


“Sego” in the ancient Celtic language means to win! Do you want to become a winner?
The Sego might just be the right tool for you to reach the next level of speed.

 S1 (29-29)/( 29-27.5)S2 (29-29)/( 29-27.5)S3 (29-29)/( 29-27.5)
Reach465 mm480 mm505mm
Stack631 mm638 mm648 mm
BB-Drop15 mm / 5.2 mm15 mm / 5.2 mm15 mm / 5.2 mm
HA63 Degrees63 Degrees63 Degrees
SA78 Degrees78 Degrees78 Degrees
CSL460 mm / 445 mm460 mm / 445 mm460 mm / 445 mm
FC835 mm850 mm880 mm
WB1295 mm / 1280 mm1310 mm / 1295 mm1340 mm / 1325 mm
A2C608 mm608 mm608 mm
Range of use: Downhill
Shock:250 x 75 -> 200mm travel
Shock hardware:8mm x 30mm front and back
Fork travel:200mm
Front wheel:29 inch (110 x 20)
Rear wheel:27.5 or 29 inch (157 x 12)
Dropout:Gamux Snubber
Brake mount:IS-Standard
Tires:Max: 29 x 2.60
Bottom bracket:Pinion C-line or C-line-SmartShift
Frame weight:Low and central
Seat tube:30.9mm 
Frame material: Aluminium 7075/CFK
Colors:Black Anodized
Cable routing:External, Pinion SmartShift
ISCG mount:NO – Gamux Skidd-Plate
Beltsprokets:30t front / 28-26t rear
Available from:March 2024

Order Now

This is your chance to get your SEGO!


After tree Years of R&D, the Sego is finaly ready for production! This pure bread race machine has been developed with a pure focus on speed. Thus, a lot of “conventional” standards and techniques were questioned and re-imagined in order to create a package that can follow along the name of the bike. Sego translated into english means “to win”!


Team Build:Öhlins Build
– Gamux Sego Frame– Gamux Sego Frame
– Pinion Gearbox– Pinion Gearbox
– Gates Carbon Drive– Gates Carbon Drive
– Manitou Dorado Pro– Öhlins DH38.2
– Manitou Mara Pro– Öhlins TTX22
– Hayes Dominion A4 (black)– Hayes Dominion A4 (black)
– Protaper Cockpit & Seatpost– Protaper Cockpit & Carbon Seatpost
– Reynolds BL309 DH EXP or BL307 DH EXP– Reynolds BL309 DH EXP or BL307 DH EXP
– Schwalbe DH Tires– Schwalbe DH Tires
– Ergon Grips & Saddle– Ergon Grips & Saddle


Included in the Framekit:

– Frame 
– Frame Hardware
– Pinion Gearbox
– Gates Carbon Drive


The Sego is manufactured in batches. There may be a waiting period after your order until you receive your bike. The first bikes will be delivered in May.
Please get in touch with us to get precise information.

– Shipment costs will be calculated individually and invoiced before delivery.

– Bikes are only sold in Europe for the moment. Thank you for understanding.

*Production bike may differ from these pictures


*Production bike may differ from these pictures


What is the maximum travel for my fork on my Sego?

Maximum 200mm. 

How is the cable routing?


What about the warranty?

The Sego of the 1st Edition are pre-production models. The frames have been subjected to months of internal testing but not yet officially tested. The frames are 100% safe and have a 2 year warranty against damage when used as intended!

Which shocks can I mount?

Air shocks or coil shocks of the length 250mm x 75mm. 
Please contact us to verfy your shock compatability.

We can provide kinematic data on request.

Is the Sego compatible with a 27.5 inch rear wheel?

Yes. You can choose eihter a 29” or a 27.5” swingarm.

Where can I get spare parts?

At Gamux

I am from outside Switzerland, can I also order a SEGO?

Europe: Yes of course , just order on the Gamux website or contact Gamux.
Other continents: Not yet.

Can I mount a dropper post?