The 12 speed 105 Crankset is available in a couple of different crank lengths, from 160mm to 177.5mm.
It weighs 765 g,
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There are two different chainring options:
Building a 12-speed Di2 bike involves a couple of steps and decisions to make. Are you building a rim brake bike or a disc brake bike? Will you connect the shifters wired, or run them wireless? What cables and what length do you need? I'll guide you along the process.
Just bought a new 12-speed Di2 bike? This page explains what the buttons do, how to charge, and what synchronized shfit does.
