There is an entire collection of reports showcasing that these method is proven to be more efficient
https://www.friction-facts.com/test-results-overview
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"Train so you have no regrets @ the finish line"
https://www.friction-facts.com/test-results-overview
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"Train so you have no regrets @ the finish line"
Last edited by:
PushThePace: Apr 20, 16 10:37