My 6 year old, 4,xxx mile, Gunnar Sport with Ultegra Di2 has cost nothing, attributable to the Di2, to maintain so far. Even the internal battery is original. I very much like the electronic shifting and I had to adjust the derailers only once.
Last edited by flanso; 10-04-22 at 02:27 PM.
Reason: auto spell correction does not like Ultegra