S40 aero upgrades

[FinalStretchSeries]

Full wheel DIY version.

 

[FinalStretchSeries]

Testing the DIY wheel.

 

[ak-tux]

Full wheel DIY version.

Wow!, great DIY skills!

 

[ak-tux]

, and my wrists are sore.

It is important to ensure your wrist is in line with the arm when you grip the handlebar. If it is twisted (up or down) it may strain due to the rythmic push/pull nature of the FWD moving Bottom Bracket system.