O.symetric SRAM XX1 BCD72x4 Singlespeed Plus Spider - 28 teeth

The benefits of O.symetric oval chainrings

• +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 does 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.