Expand your riding options. The Tracka is my ideal gravel bike design and it's made to be fun, fast and capable on paved and gravel surfaces.

High-end frame tubing is used and here I choose smaller diameter tubes with slightly less stiffness. When paired with the large supple tyres the combination makes for greater comfort and more surefooted cornering than a traditional road bike. The large supple tyres now available are fast too. Every frame is customised to the rider, both the riding position and frame rigidity so you have the far more choice of comfort than a typically overly-stiff mass-produced frame. 

Disc brakes enable the use of these larger width tyres and offer powerful consistent braking in all weather and road conditions. I can now offer frame and fork to fit tyres up to 50mm width depending on the fork chosen, a few of which are listed below.

The rear brake hose can be routed externally for ease of maintenance (your bike mechanic will love you) or internally for a cleaner look with the rear brake hose entering the downtube near the fork and exiting the frame near the rear brake caliper.

The frames are paired with carbon-fibre forks chosen to compliment the frame. The Futura Gravel fork has clearance for 40mm measured width tyres and its 1-1/4" tapered steerer will be less stiff and hence more suited to this style of bike than the more common 1-1/2" tapered steerer.

The newly released Futura Cross fork offered by Columbus has more tyre clearance, with room for 47mm measured width tyres and comes with the stiffer 1-1/2" tapered steerer. The Futura Cross+ fork comes with rack mounts.

The ENVE G Series Gravel fork offers the greatest clearance for with room for 50mm measured width tyres on 700C rims, and 57mm on 650B/27.5" rims. It comes with the stiffer 1-1/2" tapered steerer.


  • Stable geometry and a range of frame suppleness options with the choice of Double-Oversize,  Oversize, or Not-Oversize (NOS) frame tubing. 

  • 44mm head tube compatible with 1-1/4" or 1-1/2" taper fork steerers. 

  • 12mm thru rear dropouts in 142mm spacing. 

  • Replaceable derailleur hanger,

  • Flat mount disc brakes with the caliper neatly tucked between the rear stays.

  • Sloping toptube with healthy amount of seatpost extension to reduce the impact from bumps for a smoother ride.

  • Standard 27.2mm seatpost which suits almost all riders and being slender, gives a supple ride.

I use White Industries and Chris King headsets both of which are available in a range of colours as well as Black. White Industries machine their parts to use the excellent replaceable Enduro Bearings while Chris King built their reputation on making their own bearings which are serviceable. Depending on the fork, the Chris King headset is an approximate $50 upgrade. 


Frames from $3575 FlatMount disc brake, custom selection of Columbus' Life, HSS and SL butted frame tubing.

Frame and fork from $4200 FlatMount disc brake, custom selection of Columbus' Life, HSS and SL butted frame tubing, Columbus' Futura Gravel fork painted to match. 

Framesets from $4500 (Frame, fork, headset, stem, seatpost, paint-matched) with Columbus' Futura Gravel fork, White Industries headset, paint-matched Shimano "PRO" PLT stem, PRO PLT seatpost, minus pedals and saddle.


Complete bikes from


  • Shimano GRX 1X gravel-bike, Shimano R570 wheels $7700

  • Shimano GRX 2X gravel-bike, Shimano R570 wheels $7900

  • Shimano GRX 1X gravel-bike, $7990** with custom DT Comp spoked wheelset, details below.

  • SRAM Rival 1X hydraulic disc from $7300

  • Ultegra mechanical shifting, hydraulic disc; R8020 $7900** with custom DT Comp spoked wheelset, details below.

  • SRAM Force 1X hydraulic disc $8070**

  • Ultegra Di2 disc; R8070 $8970**

** Custom DT Swiss wheelset; DT350 hub, Centerlock rotors, DT RR411, RR421 or Mavic's Open PRO Disc rim, DT Comp butted spokes in black finish and alloy nipples.


  • Tapered Headtube option; Columbus tube +$75

  • internal rear hydraulic brake cable routing exiting at rear brake caliper; 3D printed stainless-steel reinforced ports and T47 threaded BB shell +$300 (requires use of T47 bottom-bracket bearings from White Industries, Chris King or equivalent),

  • Fork; (the standard fork is Columbus Futura Gravel which fits up to 700x40 measured tyre width, 1-1/4" tapered steerer)

  • Columbus Futura Cross fork 1-1/2" taper disc brake fork, flat-mount  (max 700x47mm 650Bx53mm measured tyre width). no extra charge, 12mm thru axle included.

  • Fork; Columbus Futura Cross+ fork as above with rack mounts, 12mm thru axle included.

  • Fork; ENVE All Road Disc fork 1-1/4"" taper steerer, disc brake, flat-mount  (max 700c x 38mm measured tyre width). 12mm thru axle included+$100

  • Fork; ENVE G Series Gravel fork 1-1/2" taper steerer, disc brake, flat-mount  (max 700c x 50mm, 27.5" x 2.25" measured tyre width). 12mm thru axle included +$100

  • Ritchey WCS Carbon Adventure fork +~$100

  • S and S Travel Couplers; pack your bike in a Standard Airline suitcase +$1150 (internal rear brake hose routing cannot be combined with this option)


Ewen Gellie 

0407 117 100

(for frame repair enquiries, read this page.

Skyline Road, Bend of Islands
Victoria, Australia 3097

(20 minutes drive beyond Eltham/Warrandyte)

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