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Old 09-23-15 | 01:20 PM
  #985  
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dz_nuzz
Rides too much bike
 
Joined: Nov 2013
Posts: 842
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From: Boston
Originally Posted by grolby
Ah geez you guys, it's not like that! It's only sprinting for 45 minutes if anything over Z4 is a sprint for you.
Or more accurately "Do 30 seconds on, 30 seconds off for 45 minutes straight"
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