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    Speed Tests

    The Tarmac Pro On Zwift is Slower than We Thought (and We Don’t Know Why)

    Eric Schlange
    By Eric Schlange
    October 3, 2020
    LAST UPDATED October 23, 2020
    30

    UPDATE 10/23/2020: Zwift made the Canyon Aeroad 2021 a bit heavier, which means the Tarmac Pro returns to its spot as the top climber on Zwift (although it shares that spot with the Cannondale EVO thanks to the changes described below.)


    We’ve been looking at a lot of speed test data this week, thanks to the release of the new Canyon Aeroad 2021 frame on Zwift. And things got even busier when one astute Zwifter (“anderfo”) commented that certain test results seemed a bit off on one chart. This made us go back and look at the data and re-run some tests to confirm timings.

    And we’ve discovered something strange.

    The Specialized Tarmac Pro, which tested as the fastest climber up Alpe du Zwift back in March 2019, seems to have somehow put on a little weight between then and August of 2020. 140 grams, to be precise.

    We blame 2020. It’s been a hard year for everyone. Even virtual bike frames.

    Thanks to the friendly community hackers at Zwift Hype, we have access to in-game frame weights. And that’s how we know that the Tarmac Pro used to be set at 3.85kg, and is now 3.99kg. (We’re just not sure when or why that change happened… and Zwift HQ isn’t telling us.)

    New Top Rankings

    Regardless of the reason or timing of the change, what we do know is the Tarmac Pro frame is no longer the best climber – although it’s still a strong contender. This has meant a lot of changes in our speed test charts and rankings. Here are pages which have been revised:

    • Fastest Bike Frames for Climbing
    • Fastest Frame and Wheelset up Alpe du Zwift
    • Zwift Shopping Guide: What To Buy At Each Level
    • Updated charts on various pages including Frame Ranking Charts, Tron vs Top Performers Scatter Plot, and Wheel and Frame Performance Scatter Plots.

    We’ll follow up soon with a post detailing the exceptional performance of the new Canyon Aeroad 2021 frame, which is now the fastest climber while being slippery enough to rank #4 on our list of most aero frames in Zwift.

    Questions or Comments?

    Post below!

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      Eric Schlange
      Eric Schlangehttp://www.zwiftinsider.com
      Eric runs Zwift Insider in his spare time when he isn't on the bike or managing various business interests. He lives in Northern California with his beautiful wife, two kids and dog. Follow on Strava

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