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With Pre-Order, you can purchase the latest items added to our store in advance of them arriving with us.
Your Pre-Order is prioritized (at no additional charge); meaning that as soon as the product arrives with us, we can wrap it straight back up; ready for collection via Click & Collect or dispatch to you — it often never even hits the stock room shelves!
With Prelaunch, the date when we expect to receive the product ourselves is still a little too hazy to be confident in accepting Preorders.
So, instead, you can submit your email address for the item you are interested in, and we will email you as soon as stock arrives in the system.
Estimated Shipping & Collection Dates are given on Pre-Order and Pre-Launch products. They are for indicative purposes only and can change at any time without notice.
The dates we provide are based on information given by our suppliers. Whenever we get updated information from our suppliers we will endeavor to update the Estimated Shipping & Collection Dates provided on product pages.
Hassle free returns
If there’s a problem with something you purchased from us, you can either bring it to our store or ship it back. Ship returns via Ground UPS or insured US Mail (we do not accept CODs). We will refund shipping costs on damaged or incorrect merchandise. Merchandise returned that appears used will be subject to a restocking fee. (Labor fees are not refundable, i.e., custom built wheels.)
Returns over $100 must have a return authorization number clearly marked on the outside of the package or the item will be refused. A return authorization number can be obtained by phone or e-mail.
Season:Core
Brand:Specialized
Code:48118-2402
Whether you're looking to take your training to the next level or you simply want a better way to measure energy expenditure a power meter is your best bet. The Power Cranks Ultegra Upgrade Kit are no exception. With our lightweight power sensors on a Shimano Ultegra crankarm it's the perfect way to enter the power meter game.
The development of Power Cranks began with our Human Performance Team looking at riders in realistic scenarios on the bike. Historically power meters have been validated by two different methods; one is by measuring the produced torque by applying a static linear load to a crankarm or chainring while the second uses a power generating motor to pedal the bike. Well cycling is neither static nor linear and humans apply power much differently than a machine. So we found that neither of these methods answer the "real-world" accuracy question.
To get the best test for accuracy in all types of riding scenarios we built our own cycling treadmill the WinMill to measure power output to a known truth. This new benchmark lets us evaluate accuracy under all riding conditions, seated versus standing various power and cadence levels different weights and a myriad of gear. This data acquisition process is our gold-standard for testing power meters and through our testing and external validation from the Locomotion lab in Boulder Colorado Power Cranks have been proven to have the highest accuracy in real world scenarios (+/- 1.5%).
The Power Cranks are also easy to live with with class-leading temperature compensation firmware and waterproof enclosures. Calibration is only required during seasonal-type fluctuations in temperature and the included wrench makes battery swaps a breeze.