Ryan Trebon (Kona) is hard to miss aboard this ultra-tall – and very orange – Kona Major Jake with custom geometryJames Huang
Trebon’s frame has custom geometry but he says it isn’t far off the largest size of Kona’s stock Major JakeJames Huang
Scanium tubing likely yields a light frame in spite of the size but Trebon says he places a higher value on its stiffness to support his attacking styleJames Huang
The straight 1 1/8in head tube is a whopping 195mm longJames Huang
The top tube starts out mostly round at the head tube but transitions to a rectangular profile at the other endJames Huang
The chainstays start out tall at the bottom bracket and transition to round for the rest of the lengthJames Huang
The driveside chainstay is tubular throughout its length but the driveside one uses a short machined aluminium section for better chainring and tyre clearanceJames Huang
Additional machining on the driveside stay saves a few gramsJames Huang
The stout seatstays are mostly straight from end to endJames Huang
The seatpost slot is notably longer than usualJames Huang
The aluminium dropouts offer up lots of surface area for secure weldsJames Huang
Trebon’s frame is fitted with bottle mounts but they were covered up with colour-matched tape for race dayJames Huang
Full-length housing is used for the rear brake to seal the line from dirt and water. Derailleur cables are run beneath the down tubeJames Huang
The custom frame was apparently built by Caribou Pro Frames in Taichung, TaiwanJames Huang
Last year’s Alpha Q CX20 fork has now replaced by an Edge Composites Cross modelJames Huang
Trebon has a fleet of FSA RD-488 carbon tubular wheels at his disposalJames Huang
Dugast Rhino tyres are one of the top choices for sloppy conditions on account of their aggressive tread design with 3mm-tall knobsJames Huang
Trebon prefers a traditional bend handlebarJames Huang
Trebon has switched this season to the new Shimano Dura-Ace 7900 groupJames Huang
Trebon uses an aluminium bar and stemJames Huang
FSA’s Orbit Extreme Pro Ceramic headset features hybrid ceramic cartridge bearings that supposedly hold up better to dirt and waterJames Huang
The KORE Race+ cantilevers feature a wide profile and road-style cartridge padsJames Huang
Trebon uses FSA’s second-tier SL-K Light crankset as the top-end K-Force Light isn’t available in his preferred 177.5mm arm lengthJames Huang
The latest Dura-Ace front derailleur moves the chain from the FSA inner ring to the Thorne Koksijde outerJames Huang
Trusty Shimano XTR pedals are highly respected for their bulletproof reliabilityJames Huang
A Shimano Dura-Ace 7900 rear derailleur is attached to a replaceable hangerJames Huang