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Tejay van Garderen (BMC) is racing at the USA Pro Cycling Challenge aboard a BMC TeamMachine SLR01 (Image credit: James Huang/BikeRadar)
A couple of small strips of vinyl tape keep the valve stem from rattling (Image credit: James Huang/BikeRadar)
Instead of using off-the-shelf roof racks, the Drapac team had their Euro-style team racks shipped over (Image credit: James Huang/BikeRadar)
Temperatures were quite toasty at the start of stage 4. The Drapac team was loading up section of pantyhose with ice cubes, and then stuffing them into the riders' jerseys (Image credit: James Huang/BikeRadar)
The Drapac team made the trip from Australia along with their Swift Carbon Ultravox TI road bikes (Image credit: James Huang/BikeRadar)
Eric Marcotte's (SmartStop) custom painted Wilier Zero.9 celebrates his recent win at the US national championships (Image credit: James Huang/BikeRadar)
The Jelly Belly team races on Maxxis tubulars glued to 3T carbon wheels (Image credit: James Huang/BikeRadar)
Tejay van Garderen (BMC) currently leads the USA Pro Cycling Challenge and would love to win - particularly as the final stage starts in his hometown of Boulder, Colorado (Image credit: James Huang/BikeRadar)
Tejay van Garderen (BMC) perches himself atop a special reflective edition of fi'zi:k's new Arione Tri saddle, which features an extra-padded nose (Image credit: James Huang/BikeRadar)
The Garmin Edge 510 computer is attached to a Garmin out-front mount. 3T provides the aluminum stem and carbon bars (Image credit: James Huang/BikeRadar)
Alex Howes (Garmin-Sharp) opts for fi'zi:k's Arione VS saddle (Image credit: James Huang/BikeRadar)
Alex Howes (Garmin-Sharp) puts the power down through a Rotor 3D+ crankset, fitted with round Rotor chainrings and an SRM power measuring spider (Image credit: James Huang/BikeRadar)
Alex Howes' (Garmin-Sharp) Cervélo R5 just before the start of stage 4 of the USA Pro Cycling Challenge (Image credit: James Huang/BikeRadar)
The woven composite shell on Tejay van Garderen's (BMC) fi'zi:k saddle provides more flex over bumps than the company's plastic hull (Image credit: James Huang/BikeRadar)
All of the BMC riders are using Shimano Dura-Ace Di2 transmissions (Image credit: James Huang/BikeRadar)
Tejay van Garderen (BMC) is running 25mm-wide Continental Competition Pro LTD tubulars at the USA Pro Cycling Challenge (Image credit: James Huang/BikeRadar)
Shimano Dura-Ace Di2 levers are mounted high on ergo-bend bars for Tejay van Garderen (BMC) (Image credit: James Huang/BikeRadar)
Argon 18 has long had a unique front-end approach. Instead of stacking up spacers on top of the headset, the frames use spacers to push the upper headset cup further up, which maintains stiffness by better supporting the steerer tube (Image credit: James Huang/BikeRadar)
Jelly Belly's Cateye Stealth 50 computers are attached to Bar Fly mounts (Image credit: James Huang/BikeRadar)
Blacked-out TRP aluminum calipers are fitted to the Jelly Belly team bikes (Image credit: James Huang/BikeRadar)
Novo Nordisk's Orbea Orcas use some of the most unique cable routing in the business (Image credit: James Huang/BikeRadar)
Team Novo Nordisk is racing on Orbea Orcas (Image credit: James Huang/BikeRadar)
Many teams have to resort to rental vehicles to support their riders during the race and so they sometimes have to get creative with how to haul bikes. The Jamis - Hagens Berman team opts for vacuum-mount bike holders from Seasucker (Image credit: James Huang/BikeRadar)
This is a style of number plate attachment we hadn't seen before (Image credit: James Huang/BikeRadar)
Spare Jamis - Hagens Berman bikes are equipped with clincher wheels and tires (Image credit: James Huang/BikeRadar)
The Jamis - Hagens Berman team is riding the top-end Jamis Xenith SL but with a different fork and a standard front brake, as compared to the stock version that uses reverse-mount linear-pull calipers (Image credit: James Huang/BikeRadar)
Shimano Ultegra mechanical drivetrains for the Hincapie Sports development team (Image credit: James Huang/BikeRadar)
The Hincapie Sports development team is racing on Felt's midrange FC frames (Image credit: James Huang/BikeRadar)
23mm-wide Vittoria tubular tires for the Novo Nordisk team (Image credit: James Huang/BikeRadar)
Novo Nordisk is among several teams that are gathering video footage during the race using Shimano's new video cameras. They're mounted on K-Edge aluminum mounts while the Garmin Edge 1000 computers are attached using the stock o-ring mounts (Image credit: James Huang/BikeRadar)
Jelly Belly opts for Rotor power meters (Image credit: James Huang/BikeRadar)
The Jelly Belly team is riding on ISM's unique-looking Adamo saddles (Image credit: James Huang/BikeRadar)
It's hard not to smile when you see pictures of jelly beans (Image credit: James Huang/BikeRadar)
Jelly Belly is always a popular team at US races. Fans literally gather around the team bus for samples of jelly beans, and that theme carries over to the team livery on the Argon 18 Gallium Pro race bikes (Image credit: James Huang/BikeRadar)
More pink highlights are found on the custom fi'zi:k saddles (Image credit: James Huang/BikeRadar)
There's just a bit of pink, though (Image credit: James Huang/BikeRadar)
Naturally, the Rapha Condor - JLT team bikes have smatterings of pink throughout the frame's paint (Image credit: James Huang/BikeRadar)
Condor bikes are rarely seen on US soil but the Rapha Condor - JLT team has brought a fleet to Colorado (Image credit: James Huang/BikeRadar)
Although Alex Howes (Garmin-Sharp) isn't using Garmin Vector power meter pedals, other team members are (Image credit: James Huang/BikeRadar)
This article originally appeared on BikeRadar
Some of the top riders and teams have made their way over to the high mountains of Colorado for this year's edition of the USA Pro Challenge . Colorado resident Tejay van Garderen (BMC ) currently leads the race, followed closely by fellow Boulderite Alex Howes (Garmin-Sharp ). Take a look at the bikes they're riding in the gallery above, along with tech tidbits from several other teams, too.