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The Greatest Black Friday and Cyber Monday Bike Deals

Black Friday and Cyber Monday are two of the biggest shopping days of the year.  Whether you're buying for yourself or another cyclist on your holiday list, you can take advantage of some significant price drops and doorbuster specials.

I've compiled a list of some of the biggest and best Black Friday bike deals out there for your shopping convenience.  I'll update these links as necessary to keep your deals up to date and current so you get the best deals possible!

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How to Tune Shimano Di2 From Your iPad or iPhone

Shimano has been in the electronic shifting game since Dura Ace 7970 was introduced in 2009.  Their E-Tube system debuted with Ultegra 6770 in 2012 and continues to be the standard in electronic shifting systems today.  You had to take your bike to a local bike shop that had an expensive adapter and computer program to tune the drivetrain and update firmware.

Since then, Shimano has released the E-Tube app for iOs.  By adding some Bluetooth Low Energy components to your drivetrain, you can update firmware and tune your shifting from your iPad.  It's never been easier to tune and update your Di2 system.

Click through the jump to learn what you need to use your iPad to tune your E-Tube Shimano Di2 system, including a video overview of the app and how to use it.

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Vittoria Corsa G+ Review

Vittoria has a reputation for producing some of the best tires on the market.  Their Corsa, with its corespun cotton casing and super gummy rubber is a favorite race day tire.  It's too fragile for training, though.  The sticky tread can wear in a matter of a thousand miles, meaning you may have to replace your tires 4 or 5 times per season!

That can get expensive, so Vittoria made a few changes.  The revised tread compound and added durability led to the creation of the G+ series of tires.  Click through the jump to read my Vittoria Corsa G+ review and find out if this is the perfect training tire for you.

Vittoria Corsa G+ Review

As with all of my reviews, I've run these tires through the ringer.  I've got around 1800 miles of smooth tarmac, dirt roads, busted up asphalt and post winter salt under them.  I'll include my opinions on Vittoria's technology, tire mounting, actual size, performance and durability below.

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“Friction Facts” Bicycle Chain Lube Process

Bicycle chain lube has come a long way in the past 20 years.  Gone are the days of dripping 3-in-1 oil on your chain, wiping it with an old washcloth and calling it good.  These days, chain lube is researched almost as much as any other component on your bike.

In the quest for “marginal gains, ” chain lube is one of the new frontiers.  While aerodynamic gains are still the king of the hill in terms of gaining seconds during a time trial or race, chain lube efficiency can save a few extra watts.  Combine those few watts with savings from ceramic bearings, derailleur pulley bearing, and pedal bearings and you could be saving 5-6% of your energy.

Friction Facts is one of the kings of evaluating your drive train efficiency.  They have published tons of material on chain lube efficiency in the past.  After doing some reading about the process, I decided to give it a try and see how effective (and long lasting) it is.

Check out my experience after the jump and learn how you can try this bicycle chain lube process yourself at home.
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Dura Ace Track Stages Power Meter Install

Power meter options for track bikes are very limited, and the Dura Ace Stages power meter is one of the most reasonably priced and simple to use on the market.  Based on the Dura Ace 7710 Octalink platform, the Stages power meter offers a simple, elegant power measuring solution for fixed gear bikes.  Painstaking refinement has gone into the algorithm used to calculate power to meet the unique demands of a fixed gear bike, improving performance and reliability in data recording.

Check out the video of the installation, re-posted from Periscope.  Throughout the installation, there's a little bit of Q&A about power meters based on questions from live viewers.  Click through the jump to watch the video and check out the video show notes:

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