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Wilier Cento1 SLR $0.00
For a frame manufacturer, part of the benefit of sponsoring a professional cycling team is the feedback that comes from the riders. Spending a great part of each day aboard the bikes, they develop an intimate knowledge of their machines. And while comfort is a factor, the number one priority for professional cyclists is performance. Wilier???s Cento1 SLR is the result of their collaboration with Team Lampre ISD and the desire from many of their riders to have a bike with a longer top tube and shorter head tube than their Cento1 SL racing bikes. These slight geometrical changes allow the Lampre pros to obtain powerful, aerodynamic positions on their bikes and are the only difference between the two models.
And while the difference in top tube lengths for a size medium frame is minimal at 2mm, the difference in head tube length is substantial enough at 30mm. We???d think that most riders would opt for the Cento1 SL, but it???s always nice to have options, especially when you???re dealing with the particulars of a precise bike fitting.
SLR stands for SuperLeggera Racing. Like the Cento1 SL, it is 130g lighter than the Cento1. The weight savings comes from a handful of subtle-but-important changes. The superior strength of 60 Ton ultimately means Wilier can use less carbon to achieve the desired strength and stiffness for the Cento1 SLR. In addition, this bike is built with a zinc oxide nanoparticle resin to make the laminate stronger and more impact resistant by filling microscopic voids in between the fibers. This is accomplished without adding weight.
Like the rest of the Cento1 family, the SLR shares the same oversized bottom bracket that doesn't require the use of traditional external bottom bracket cups. Instead, the bearings are housed inside the frame itself. Wilier???s system allows the use of any Campagnolo Ultra-Torque crankset (10- or 11-speed), SRAM system, or Shimano Dura-Ace 7900 & 7800. It has the same asymmetric chainstays to balance pedal loads and the same progressively-flaring seatmast to maximize in-the-saddle frame stiffness. Though shorter, you???ll see the same headtube design, round at the top and square at the bottom to deliver outstanding control and steerability.
The SLR uses a CNC-machined alloy sleeve in the bottom bracket for the bearings that weighs 18% lighter than its predecessor. Wilier engineers shaved more weight by using in-molded carbon fiber cups in the head tube in place of the bonded aluminum cups of the Cento1. The Cento1 SLR also saves weight with a micro-thin clear coat.
A few final notes on the Cento1 SLR: While the frame comes standard with an integrated seatmast and a Ritchey WCS Stubby seatclamp, you can cut down the seatmast and add a seatclamp for use with a 31.6mm seatpost. In addition, the frame comes with small composite spacers for use with a Shimano or SRAM crankset. These spacers are not necessary for use with a Campagnolo crankset. (Campagnolo cranks come with the bearings pre-pressed to the spindle, so you just slide the cranks into the bike, and you're all set.) And, lastly, please focus on the effective top tube length as you make a determination of your proper size. Given the integrated seatmast and the unconventional top tube, focusing on the seat tube measurement can cause unnecessary confusion.
The Wilier Cento1 SLR is available in six sizes from X-Small to XX-Large, and it comes in Matte Black only. It comes standard with a Wilier Monoscocca full-carbon fork, with a Ritchey integrated headset, and with a Ritchey WCS Mast Topper. It requires the use of a braze-on front derailleur.