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Alloy OC ST-MP20 MTB stem (previously OC3)
The OC ST-MP20 stem is not compatible with standard round topcaps or headset spacers.
OC profiled topcap and headset spacers must be used.
The headset cover will also be specific for the use of the OC ST-MP20 stem on a given Orbea frame.
Read your bicycle technical manual or the OC components manual.
Consult the bicycle or component technical manual in the support section of our web to learn about the assembly instructions.
Choose size before continuing