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Wilier Twin Foil - 2012 $0.00
Efficiency is all-important for time trialing. Drag is the enemy. The less energy used to overcome the road, the wind, the bearings, etc., the more energy can be utilized to propel the bike forward, so get out the most aero wheels, the tightest skinsuit, the lowest position, blow the grease out of the bearings and replace with oil. Find silk tires and treat them with an embarrassing level of care. Wilier's Twinfoil time trial frame is a design that is all about eliminating energy losses due not only to aerodynamic drag, but frame flex, and the mental effort it takes to pilot the bike.
While it sometimes is worth investigating what a champion time trialist uses, often their edge is not their gear. Fabian Cancellara has power like no one else. David Zabriskie can get himself into an incredible position. It's their competitors you should probably pay more attention to. These guys are the ones who need to sweat every detail so they don't lose everything they gained on the road. Take Damiano Cunego. Il Piccolo Principe will never be a world or even national champion in the race of truth, so he needs to find every legal edge he can to prevent another disaster like his 2011 Tour de Suisse, where he lost a 2:12 race lead in the race closing 32km time trial. Cunego needs a machine that offers him more than just a fast ride. Unfortunately for him, the Twinfoil wasn't yet available from Wilier at the Suisse race. This molded carbon fiber frame is more than just the sum of its 60-ton carbon-fiber cloth lay-up and its angles, with the laid-back front and aggressive rear.
The first thing you'll notice about the Twinfoil are the fork struts for which the bike is named. They extend in a straight line up from the fork to the stem bolts. These structural elements do a number of things for the bike. First, they help make it more aerodynamic by smoothing the airflow around both the wheels and the frame. By giving the wheels greater clearance than typical forks, the turbulent air created by the spinning wheel stays away from the fork. The forks smooth airflow around the head tube to lessen the impact on the frame itself. To give you every possible aero edge, a TRP time trial V-style brake is built into the backside of the fork. The struts have more benefits still. They stiffen the front end without resorting to a tapered head tube. A stiffer front end should take less thought and energy to steer. By having the struts finish up at the top with handlebar clamps, they've also made the handlebars stiffer and taken some potential stresses off the bars by spreading the load.
The same thinking behind the fork is applied to the seat stays. They're wider than usual to keep the turbulent air around the rear wheel from banging into the frame. Wide wheel fans take note: maximum rim width is 25mm, but a Head Stinger 9 fit in, as the adjustable dropouts allow for some play. These adjustable aluminum vertical dropouts give you 6mm of fore-aft play to make sure that your wheel/tire combo nestles in to the frame perfectly. And, as with the fork, a TRP brake has been built into the frame; you'll find it on the underside of the chain stays, and there's even a carbon cover that helps keep the airflow around the brake smooth.
The integrated seat post has also been built with aerodynamics in mind. Not only is it long and narrow, but has an internal fixing bolt accessed from the right side and the seat clamp is adjustable for a wide range of position options. The post is 350mm long, and the clamp is adjustable from 10mm in front of the bottom bracket to 20mm behind it, which means that there is an effective seat angle of anywhere from 74- to 78-degrees. This means it can accommodate conservative roadies and radical triathletes alike.
Because they want to be accommodating of everyone who races against the clock, the front derailleur has an adjustable orbital mount. It's kind of like a disc that can be moved not only up and down, but on its own axis, so it can work with a wide range of rings and be tweaked for optimal chain line orientation. The bolt that does this is accessed from the left side of the frame so the cranks won't have to be pulled to do this precise adjusting.
Being a Wilier, the bottom bracket standard is BB93, and will accept any Campagnolo thru-axle crankset and comes with adapters for use with Shimano and SRAM cranks. There is a single set of bottle mounts on the down tube for those days when the test is long enough to justify a bottle. The 1 1/8in steerer mates to the frame with Ritchey WCS bearings. The stem length is 60mm standard, but you can get na 80mm if you want to go longer. The handlebar clamps are designed to work with 31.8mm handlebars. The fork tips are carbon and finished with aluminum for durability. The cable routing is internal for better aerodynamics.
The Wilier Twinfoil Frame and Fork come in four sizes from Small to XLarge. It comes in four colors: Black, Orange, Team Lampre, and Yellow. Wheels are 700c only. The internal cable routing is also compatible with electronic shifting systems.