Simpatico Bikes

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Bike features durable frame, carbon wheels, & high-performance components for versatile riding. A top choice for Australian cyclists.
Bike features durable frame, carbon wheels, & high-performance components for versatile riding. A top choice for Australian cyclists.
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Simpatico Gamma X - Image 10
Versatile mountain bike with durable tires, disc brakes, and lightweight frame for trail riding.

Simpatico Gamma X

Price range: $13,499.00 through $16,999.00 AU

The Gamma X is now available for pre-order
First Batch of Frames arriving January 2026

Keeping the comfort up and the Traction down

At the heart of the Gamma is a bold design philosophy: bigger tyres, better handling, and smarter geometry, all optimized for real-world gravel conditions. The Gamma Race fits up to 700x55mm tyres with 7mm clearance all around, with the Gamma X limited to 50mm clearance at the front. Delivering exceptional grip and comfort on rough terrain while remaining nimble and quick on smoother gravel.

“We built the Gamma to go faster, farther, and smoother than anything we’ve made before,” said Jeff Servaas, founder of Simpatico. “It’s a bike that’s been tested in real conditions—on Cat 1 to Cat 3 gravel—with geometry tuned to give riders the confidence and efficiency to push harder, descend faster, and ride longer.”

  • GammaX – Built with the Cane Creek Invert CS or CL suspension fork for riders who want to keep the traction down and the comfort up.

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SKU: SI-GR1-2024-1 Categories: ,

Description

At Simpatico, we are passionate about guiding each customer on an inspiring journey to create a bike that reflects their individual vision and desires. You have the freedom to choose:

  • Colour of components and frame
  • Groupset- including cassette and chainring combinations
  • Bar width
  • Stem length
  • Seat post type and offset
  • Crank length
  • Fork type
  • Saddle

 

Key Features of the Simpatico Gamma:

  • Big-Tyre Optimised – Engineered for 700×45-55mm tyres, with real-world-tested clearance and improved rollover performance. Tire clearance: 60 mm front 55mm rear; using 1X drivetrain.
  • Custom  Cerakote Colours- make the Gamma your own by choosing from our current Cerakote range of colours
  • Gravel Race Geometry – Extended front and rear centres enhance control on descents, over bumps, and through fast corners.
  • Cerakoted components to match– Matched cerakoted fork, stem and seat clamp as standard with the option to upgrade to frame cerakote also.
  • Short Crank Optimisation – Designed for shorter cranks that increase ground clearance, while dropping the bottom bracket and boosting descending confidence.
  • Aero Sustainability – A 20mm increased stack allows riders to hold an efficient aero position longer, with real comfort over rough terrain.
  • Suspension-Ready Fork – Gamma’s suspension-corrected geometry is ready for riders who want to upgrade with a suspension fork—either now or down the line. 415A/C/ 49 offset for standard sizes and 425 A/C/ 54 offset for smaller sizes. Maintaining the best trail numbers across the size range.
  • Road-Wide Crank compatibility– The Gamma is 1x only, however, it maintains the ability to use SRAM road-wide cranks with a  Max 44T with 47.5mm chainline and 46T with 50mm chainline if using alternative cranks. With 55mm tyres, the 46T provides the same top-end gearing as a 55T on a road bike.
  • Brakes – Rear 160. Front 160/180 mm rotor.
  • Full internal routing – The gamma frame incorporates full internal frame routing through the 3D-printed titanium head tube, 
  • Seatpost options – At Simpatico, we appreciate the ability to get the correct bike fit, so every customer has the option to choose between 25mm offset and zero offset seatpost options all in 27.2 round.
  • Extra features include a T47 73mm Bottom bracket, UDH, and a 3D-printed headtube with top cap integration. The Titanium frame is made from Grade 9 Ti-3AI-2.5V. 4 x frame bottle positions, including top tube mounts to mount your favourite snack bag to keep you fueled for the ride.

Ideal For: Gravel racers, endurance riders, and off-road adventurers

Frame Sizes: initially available in 48, 51,54, 56, 58, 61

Colorways: Cerakote options

Geometry Chart

SIZE 48 51 54 56 58 61
Reach 371 380 390 404 412 420
Stack 559 564 587 601 621 642
Top Tube (effective) 505 525 546 568 583 600
Seat Tube C-T 446 476 521 546 566 596
Head Angle 70.4 71.0 71.4 71.4 71.3 71.2
Seat Angle 75.6 74.6 74.2 73.7 73.7 73.6
Head Tube 100 103 129 147 171 192
Chainstay 430 430 430 430 430 430
Front Centre 593 598 612 631 648 665
BB Drop 88 88 85 82 79 78
Fork Rake / Offset 45 45 45 45 45 45
Trail with 50mm tyre 81 77 74 74 75 75
Fork Length (A2C) 425 425 425 425 425 425
Wheel Size 700 700 700 700 700 700
Tyre Max Width 50 50 50 50 50 50
Seatpost Length 350 350 350 350 350 350
Handlebar Width 400 400 420 440 440 460
Stem Length 60 70 70 80 80 80
Max Crank Length 170 170 170 172.5 175 175

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Additional information

Weight 3.5 kg
Dimensions 1.1 × 0.2 × 0.55 m
Size

49, 52, 54, 56, 58, 61
Groupset type

SRAM RED E1 1x 13 XPLR Brushed $16,999, SRAM FORCE 1X XPLR Brushed $13,399, SRAM FORCE 1 x 12 XPLR/ XX Mullet Brushed $14,499
Frame & Cockpit Finish

Brushed Frame Bronze Cockpit, Brushed Frame Naarm Blue Cockpit, Brushed Frame Black Cherry Red cockpit, Brushed Frame custom coloured Cockpit +$300, Black Cherry Red frame Copper cockpit +$1000, Bronze frame Copper Cockpit +$1000, Naarm blue Frame Bronze Cockpit +$1000, Custom Colours Frame and Cockpit +$1500
Wheels

Zipp 303 XPLR S wheels, NVISAGE AR45 carbon wheels with DT350 hubs +$500, NVISAGE AR45 carbon wheels cerakote hubs +500, Zipp 303 XPLR SW wheels +$1000, Zipp 303 Firecrest +$1000
Fork Type (Cerakoted to match)

Cane Creek Invert CS (Climb Switch, 40mm, 1113g), Invert SL (No Climb Switch, 30mm, 990g)

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