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Shimano Dura-Ace WH-9000-C50 Tubular Wheelset

  • Shimano Dura-Ace WH-9000-C50 Tubular Wheelset
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Shimano Dura-Ace WH-9000-C50 Tubular Wheelset

Product Description

General Information

When you are ready to take the plunge into the world of carbon tubulars, you’ll want to invest in a pair of wheels that will bring you the performance you desire and the durability you require. The Shimano Dura-Ace WH-9000-C50 Tubular Wheelset will give you the thrill of cutting through the wind like a pro, but secure in the knowledge that you can rely on them whether you are screaming down an alpine descent or breaking hard in a rainy criterium.
Shimano has invested in a lot of wind tunnel research to design the C50 as aero and stable as possible in cross-winds. To create the best possible all-around wheel, Shimano has focused on aerodynamics, lateral rigidity and ride quality. Their D2 rim is a result of their hours in the wind tunnel. It is a rim shape that performs well across a wide range of wind conditions. They have managed that by creating a smoother profile of the rim relative to the direction of the wind. This makes the C50s a lot silkier compared to even the previous 7900-C50s from Shimano, which already performed very well in cross winds.
They have the OptBal 2:1 spoke lacing on the rear wheel. What it stands for is “optimal balance” since the 21-spoke rear wheel is laced with fourteen drive side spokes and seven non-drive side spokes. The drive side is laced in a 3 cross pattern, designed to match the hub flange perfectly. The seven non-drive side are then radially-laced, which means that they pull twice as hard versus the drive side spokes. Balancing the tension in this way increases lateral stiffness, which makes this 21-spoke wheel as strong as a 28-spoke wheel. Then with sixteen radially-laced spokes on the front these are very light and responsive wheels. The nipples are internal on the C50s in order to maintain a fluid appearance, but more importantly for maximizing aerodynamics.
You’ll also get the benefit of Shimano’s hubs, which use the angular contact ball bearings and are designed to roll as smoothly as possible, thanks to the fact that loose balls and angular contacts can result in less drag than cartridges. To improve lateral and torsional stiffness, the rear wheel has an off-set rim wider flange hub construction. The oversized A7075 alloy axles are super stiff, increasing the overall rigidity of the wheels. The more rigid, the more responsive they are going to feel. The freehub body is made from lightweight titanium. Compatible with Shimano and SRAM 11-speed systems, Shimano has also included a thin spacer so the wheels can still run with 8/9/10-speed cassettes.
The C50 Tubular Wheelset comes with a set of Shimano carbon-specific pads, the R55c4 carbon. You are strongly recommended to use only Shimano's carbon-specific brake pads for Shimano carbon wheels. You’ll get much better braking results, and using any other pads will void the warranty.  
Sticking the Shimano Dura-Ace WH-9000-C50 Tubular Wheelset on your rig will motivate you to get out and ride more because one thing you’ll definitely want to be certain of is that you can live up to these wheels.

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