12-speed Di2 New User Guide
Just bought a new 12-speed Di2 bike? This page explains what the buttons do, how to charge, and what synchronized shfit does.
Part of the 12-speed GRX groupsets, this FC-RX820-2 gravel crankset is the crankset to use with RX825 Di2.
It has a chain line of 47mm, P.C.D. of 110/80 and the Q-factor is 151mm.
The crankset is available in 170mm, 172.5mm and 175mm crank arm lengths, and comes with 48-31T chain rings.
Just bought a new 12-speed Di2 bike? This page explains what the buttons do, how to charge, and what synchronized shfit does.