Amgen tour of California 2012

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Ryan Trebon's Kona Major Jake custom

  • Ryan Trebon (Kona) is hard to miss aboard this ultra-tall - and very orange - Kona Major Jake with custom geometry.

    Ryan Trebon (Kona) is hard to miss aboard this ultra-tall - and very orange - Kona Major Jake with custom geometry.

    Photo credit © James Huang

  • Trebon has a fleet of FSA RD-488 carbon tubular wheels at his disposal.

    Trebon has a fleet of FSA RD-488 carbon tubular wheels at his disposal.

    Photo credit © James Huang

  • The straight 1 1/8" head tube measures a whopping 195mm in length.

    The straight 1 1/8" head tube measures a whopping 195mm in length.

    Photo credit © James Huang

  • FSA's Orbit Extreme Pro Ceramic headset features hybrid ceramic cartridge bearings that supposedly hold up better to dirt and water.

    FSA's Orbit Extreme Pro Ceramic headset features hybrid ceramic cartridge bearings that supposedly hold up better to dirt and water.

    Photo credit © James Huang

  • Trebon's frame uses custom geometry but he says it actually isn't far off from the largest size of Kona's stock Major Jake.

    Trebon's frame uses custom geometry but he says it actually isn't far off from the largest size of Kona's stock Major Jake.

    Photo credit © James Huang

  • Trebon has switched this season to the new Shimano Dura-Ace 7900 group.

    Trebon has switched this season to the new Shimano Dura-Ace 7900 group.

    Photo credit © James Huang

  • Trusty Shimano XTR pedals are highly respected for their bulletproof reliability.

    Trusty Shimano XTR pedals are highly respected for their bulletproof reliability.

    Photo credit © James Huang

  • A Shimano Dura-Ace 7900 rear derailleur is attached to a replaceable hanger.

    A Shimano Dura-Ace 7900 rear derailleur is attached to a replaceable hanger.

    Photo credit © James 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 tube.

    Full-length housing is used for the rear brake to seal the line from dirt and water. Derailleur cables are run beneath the down tube.

    Photo credit © James Huang

  • Trebon needs to use a beefy FSA FR-230 seatpost since there is so much of it sticking out of the frame.

    Trebon needs to use a beefy FSA FR-230 seatpost since there is so much of it sticking out of the frame.

    Photo credit © James Huang

  • The rear section of derailleur housing is protected from contamination with a sealed end cap.

    The rear section of derailleur housing is protected from contamination with a sealed end cap.

    Photo credit © James Huang

  • The stout seat stays are mostly straight from end to end.

    The stout seat stays are mostly straight from end to end.

    Photo credit © James Huang

  • The seat post slot is notably longer than usual.

    The seat post slot is notably longer than usual.

    Photo credit © James Huang

  • The latest Dura-Ace front derailleur moves the chain from the FSA inner ring to the Thorne Koksijde outer.

    The latest Dura-Ace front derailleur moves the chain from the FSA inner ring to the Thorne Koksijde outer.

    Photo credit © James 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 style.

    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 style.

    Photo credit © James Huang

  • Last year's Alpha Q CX20 fork has now replaced by an Edge Composites Cross model.

    Last year's Alpha Q CX20 fork has now replaced by an Edge Composites Cross model.

    Photo credit © James Huang

  • Trebon prefers a traditional bend handlebar.

    Trebon prefers a traditional bend handlebar.

    Photo credit © James Huang

  • Trebon's frame is fitted with bottle mounts but they've been covered up with color-matched tape for race day.

    Trebon's frame is fitted with bottle mounts but they've been covered up with color-matched tape for race day.

    Photo credit © James Huang

  • The KORE Race+ cantilevers feature a wide profile and road-style cartridge pads.

    The KORE Race+ cantilevers feature a wide profile and road-style cartridge pads.

    Photo credit © James Huang

  • The custom frame was apparently built by Caribou Pro Frames in Taichung, Taiwan.

    The custom frame was apparently built by Caribou Pro Frames in Taichung, Taiwan.

    Photo credit © James Huang

  • Trebon uses a 12-25T Shimano Dura-Ace cassette.

    Trebon uses a 12-25T Shimano Dura-Ace cassette.

    Photo credit © James Huang

  • The driveside chain stay is tubular throughout its length but the driveside one uses a short machined aluminum section for better chainring and tire clearance.

    The driveside chain stay is tubular throughout its length but the driveside one uses a short machined aluminum section for better chainring and tire clearance.

    Photo credit © James Huang

  • Additional machining on the driveside stay saves a few grams.

    Additional machining on the driveside stay saves a few grams.

    Photo credit © James Huang

  • The chain stays start out tall at the bottom bracket and transition to round for the rest of the length.

    The chain stays start out tall at the bottom bracket and transition to round for the rest of the length.

    Photo credit © James Huang

  • Trebon uses an aluminum bar and stem.

    Trebon uses an aluminum bar and stem.

    Photo credit © James 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 length.

    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 length.

    Photo credit © James Huang

  • The aluminum dropouts offer up lots of surface area for secure welds.

    The aluminum dropouts offer up lots of surface area for secure welds.

    Photo credit © James Huang

  • Dugast Rhino tires are one of the top choices for sloppy conditions on account of their aggressive tread design with 3mm-tall knobs.

    Dugast Rhino tires are one of the top choices for sloppy conditions on account of their aggressive tread design with 3mm-tall knobs.

    Photo credit © James Huang

  • The top tube starts out mostly round at the head tube but transitions to a rectangular profile at the other end.

    The top tube starts out mostly round at the head tube but transitions to a rectangular profile at the other end.

    Photo credit © James Huang