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CycleOps PowerTap G3/DT Swiss RR440 Rear Wheel - Clincher

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Item # COP000C

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Item # COP000C

Description

Durability and accuracy for hour and hours of power.

As both DT Swiss and CycleOps have continuously built their reputations on producing quality, real-world-tested componentry, it was only a matter of time before the two joined forces. The result is the new CycleOps PowerTap G3/DT Swiss RR440 Rear Wheel, which was designed to give you the perfect blend of durability, accuracy, and reliability wrapped into a single rear wheel power package. Even better, we're personally hand-building everyone of these here in Utah.

Starting with the rim, DT Swiss employed its new RR 440 design. Upon first glance, you'll notice that the rim resembles a classic box-section platform that's similar to the RR 415 and RR 465. However, DT Swiss gave this hoop a slightly wider profile. The RR440 was also built with DT Swiss' new wear indicator and SBWT (strength boost welding technology) joint. Two small inserts were fitted into both sides of the rim during the welding process, which increases the durability at this junction. To finish off the wheel, DT Swiss CNC-machined this joint to create a smooth, seamless machined brake track.

This version of the RR440 relies on 32 spokes that have been arranged in a three-cross lacing pattern. This yields both a comfortable, compliant ride as well as increased overall durability. The spokes chosen for the build are DT's proven Competition double-butted Silver model, which are finished off with alloy nipples.

Moving to the hub, CycleOps' latest G3 Wireless Hub was employed for the build. Where the earlier generation of PowerTap hubs stood out with their larger-than-normal diameter, this one has a powermeter disguised inside a traditional-looking 57mm flange diameter and subtle Matte Black finish. It's also significantly lighter. In other words, it looks and feels like a regular hub. For reference, Chris King hubs have a flange diameter of 53mm, so the G3 is just a bit larger. And for even further reference, hubs of Shimano Ultegra quality are around 350g, so the 325g G3 Hub is lighter than all but the most ultralight rear hubs on the market.

Knowing the value in weight reduction and stealth measuring, CycleOps looked at how to improve its powermeter without any compromise in quality. The G3 design still has a "torque tube" with eight strain gauges, yielding measurements accurate within +/- 1.5%, but CycleOps didn't stop there. Rather than keep the electronics permanently affixed to the hub shell, CycleOps decided to build the electronics into the end cap. This is a big change, and a welcome one. By having a removable electronic element, it means that if there's a wheel-based problem with power readings, you're able to get a spare cap and install it. So, you're able to keep on training, rather than sending your wheel back to CycleOps. Another improvement that comes with this change is that a single CR2032 watch battery powers the transmitter. These batteries are easier to source and to replace then the two 357 batteries that were found in the older hubs. Additionally, the 2032 batteries should last for approximately 300 hours of riding.

The G3 is equipped with an ANT+ transmitter. This means that the hub sends out a signal that's understood and translated into power, speed, torque, and virtual cadence numbers by any computer head unit that reads ANT+ signals.

The CycleOps PowerTap G3/DT Swiss RR440 Rear Wheel is available in the color Black and with either a Shimano/SRAM 10/11- or Campagnolo 11-speed freehub body.

Tech Specs

Material:
aluminum
Rim Width:
[external] 21 mm, [internal] 16 mm
Rim Depth:
21 mm
Rear Hub:
CycleOps PowerTap G3
Rear Hub Type:
Shimano/SRAM 9/10/11, Campagnolo 11-speed
Spokes:
DT Swiss Competition
Spoke Nipple Material:
alloy
Rear Spoke Count:
32 hole 3 cross
Axle Type:
9x130 mm quick-release
Brake Compatibility:
caliper
Rotor Compatibility:
no
Recommended Use:
training and racing with power
Manufacturer Warranty:
[hub] lifetime, [rim] 2 years

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