39- Teeth 135 Bicycle Chainrings
Bolt Circle Diameter (BCD) is the diameter of an imaginary circle running through the center of the chainring mounting holes. It is always defined in millimeters.
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Showing 4 products:
Campagnolo 11s 39t ring for 2011 Super Record, Record and Chorus
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Campagnolo Double Inner Chainring AFT finish indicates Anti-Friction Treatment which has a matte-gray finish Item Specifications Color: Silver … read more
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Ships Freeyour price $88.99 + ships free
BuyPART NUM 290594 
Campagnolo Double Inner Chainring
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Campagnolo Double Inner Chainring All outer and triple middle rings have pick up teeth AFT finish indicates Anti-Friction Treatment which has a matte-gray … read more
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$84.00 to $86.50 + ships free
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Campagnolo FC-ATB039 39t 11s Triple Chrg for Athena Triple Black Info
39 tooth 11 speed chainring for Athena Black triple crank 2015+ Item Specifications BCD: 135 Chainring Bolts: 5 Position: Middle Primary … read more
your price $109.99 + ships free
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"Campagnolo puts all of its professionalism and expertise into the manufacture of its components in Via della Chimica plant in Vicenza. All production takes place exclusively within Campagnolo's own plants, so that product development can be a fully integrated part of the process. Every step in the process, from design and engineering to testing and industrialisation, takes place within Campagnolo facilities. Campagnolo even develops its own tools, machinery and technology so that it can produce only the very best components and wheels for racing bicycles."
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Bolt Circle Diameter (BCD) is the diameter of an imaginary circle running through the center of the chainring mounting holes. It is always defined in millimeters.
Chainring Teeth
These rings can be used in the inner position.
These rings can be used in the middle position.
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