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Discussion Starter · #1 ·
Hello

I need to buy a new chainset. I need compact 50-34.

I have:
Dura Ace 7700 front mech
Dura Ace 7700 rear mech
SRAM PC-89R chain
Dura Ace 7700 cassette

Is the SRAM Red chainset 9 speed compatible or is it 10 speed only?

Thanks
 
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