Bosch
Performance Design Cover, Left, Anthracite, including left cover ring, black and spacer sleeveBosch
Active Design Cover, Left, Platinum, including left cover ring, black and spacer sleeveBosch
Performance CX Logo Cover, Black, including spacer ring If design cover is not fittedBosch
Spoke Magnet for measuring speed Only use original magnets!Bosch
O-Ring For mounting the chainring Lock ring 1.270.016.428 also requiredBosch
Lock Ring O-ring 1.270.014.024 also required for mounting the chainringBosch
Lock Ring, Aluminum For mounting the chainring - Classic+