
UnitedHealthcare's Aussie star rides machine like the devil

Aussie fast man now retired

Custom drillings and TT rings highlight Zabriskie's road bike

One of the dozen P5s in existence takes the TT start in California

Rocky Mountain has supplied star rider Geoff Kabush with a custom all-aluminum rig for 'cross season.
Photo credit © Emily Wren/www.emilywren.com

The top tube boasts a straightforward round profile.
Photo credit © Emily Wren/www.emilywren.com

Kabush is using Shimano's latest Dura-Ace levers.
Photo credit © Emily Wren/www.emilywren.com

Crankbrothers Eggbeater 2ti offer reliable performance in muddy slop.
Photo credit © Emily Wren/www.emilywren.com

A Dura-Ace 7900 rear derailleur handles chain movement across the cassette while beefier aftermarket hangers from Wheels Manufacturing provide a more stable platform for improved shifting.
Photo credit © Emily Wren/www.emilywren.com

Kabush's mud setup includes Reynolds MV32C UL carbon clinchers.
Photo credit © Emily Wren/www.emilywren.com

Team mechanic Gary Wolff adds a barrel adjuster to the front derailleur for quick adjustments.
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A fi'zi:k Antares saddle is mounted atop a Race Face Deus XC aluminum seatpost.
Photo credit © Emily Wren/www.emilywren.com

Kabush's custom foregoes an optional carbon rear end in favor of full alloy construction.
Photo credit © Emily Wren/www.emilywren.com

Relatively small-diameter seat stays and chain stays presumably help maintain traction over rough terrain.
Photo credit © Emily Wren/www.emilywren.com

The straight 1 1/8" head tube uses standard headset cups.
Photo credit © Emily Wren/www.emilywren.com

We're used to seeing upturned bars and high-mounted levers on pro 'cross bikes but Kabush's setup is especially so.
Photo credit © Emily Wren/www.emilywren.com

The down tube uses a trapezoidal profile to help bolster the bottom end.
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Mud clearance on the Alpha Q CX20 fork is a bit tight.
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Kabush uses TRP's carbon-specific pad on his Reynolds rims.
Photo credit © Emily Wren/www.emilywren.com

Lateral tire clearance around the chain stays is tight but slight dimples leave more room around the crankarms.
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Cyclocrossworld.com proprietor Stu Thorne now has his own range of 'cross-specific rings with pins and ramps for shifting performance and extra-thick plates for stiffness.
Photo credit © Emily Wren/www.emilywren.com

The Race Face cockpit consists of a Revolution aluminum stem clamped around a Next SL carbon bar.
Photo credit © Emily Wren/www.emilywren.com

Alpha Q's carbon fiber CX20 is one of the lightest 'cross forks on the market at just 470g uncut.
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The Maxxis Mud Wrestler clinchers feature an aggressive tread design for grip in sloppy conditions.
Photo credit © Emily Wren/www.emilywren.com