CycleStrengthTriathlon

Cycle – Wind Trainer Threshold Build Set – Zone 4 (52 min)

By August 4, 2014 No Comments

wtbike

Explanation
Small/15 (S15) = Small chain ring, 15 rear cluster (middle)
Small/21 (S21) = Small chain ring, 21 rear cluster (one down from easiest)
Large/15 (L15) = Large chain ring, 15 rear cluster (middle)
Large/12 (L12) = Large chain ring, 12 rear cluster (Smallest)

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