Tuesday, September 6, 2016
The last time a metal bike won the Tour de France was 2006 when Oscar Peiero was awarded the winners jersey after Floyd Landis was stripped of his win. Peiero rode a Pinarello Dogma made from Deda AK61 magnesium. This frame came with a unique Pinarello proprietary 55mm press fit bottom bracket. Looking back it is an offering that failed the marketplace. This makes these frames a bit of a difficult item to support and maintain. I see a lot of forum posts asking about alternatives.
In doing research I found the US distributor Gita has an adapter that converts the Pinarello MOST 55m bottom bracket to a standard threaded 68mm english BB. I am very thankful that Pinarello did not abandon this generation of frames and provided a route to keep these frames maintainable.
You remove the original axle and bearings and install the very simple adapter.
Another possible solution is the