as ist says
20mm rearward post in need



thanks

---

Retul Certified Fitter. gebioMized Pressure Mapping http://www.PedPowerPerformLab.com.
Retailer of Wahoo Fitness, Sable Water Optics, Enve Composit, Giro and more.
Zone3 USA Ambassador - use code DEAN25 for 25% off
http://www.OasisOne-Twelve.com - The ultimate hands free hydration system.
https://www.athlinks.com/athletes/19354499 - results.