The time has come for you to stop guessing your energy output, and start coming in with cold, hard numbers to provide the data you need to improve. Quarq's DUB Crank Arms enable you to make the switch from not-so-smart cranks to all of the data you could...
If you're looking to add a power meter to your mountain bike, pick up a set of these crank arms along with a Quarq DZero DUB XX1 spider and you'll have one of the most reliable and accurate units on the market. They share the same lightweight and stiff...
If you're looking to add a power meter to your mountain bike, pick up a set of these crank arms along with a Quarq DZero DUB XX1 spider and you'll have one of the most reliable and accurate units on the market. They share the same lightweight and stiff...