O.symetric 110BCD 4-arms (Shimano  9100 and 8000)

This inner oval chainring of O.symetric is reco mmended for time trial / race / recreation

The benefits of O.symetric oval chainrings

The oval chainrings of O.symetric are being used by Chris Froome. The reason that no more continental riders are using the oval chainrings of O.symetric is a matter of sponsor interests. But there are more reasons why you may not want to choose de oval chainrings of O.symetric.

• +10% power
• +10% acceleration
• - 10% lactate production
• Less fatigue
• Natural pedalling / cycling
• Triathlon: the cycle to run transition is easier

For most of the bikes is a mounting kit a must, the derailleur should move up a bit.

Why do you need to get oval chainrings of O.symetric

The oval chainrings of O.symetric are fully optimized; which means; the engineers of O.symetric looked exactly how much power the rider supplies in the crank position, the ovality of the chainring is exactly adjusted at the right moment. Besides to that is this concept has been tested in daily use for many years instead of purely ‘drawing table studies’.
With the oval chainrings of O.symetric you’ll know for sure you’ll get the best results of your pedalling and by using more muscles it has proven that the acidification (lactate production) will come later or won’t come at all.
So cycle harder with less lactate, that’s a big reason many riders have chosen the oval chainrings of O.symetric.