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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.
In Store products are available to view in our showroom. In Store orders usually ship the same or next business day.
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Shimano Chainrings Item Specifications Color: Black Material: Aluminum Teeth: 30teeth Chainring BCD: 74mm Ring Position: Inner Chain Compatibility: … read more
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3.5 of 5 stars average
( 2 reviews )
your price $17.99
BuyPART NUM 643459 "Shimano practices good local citizenship, pursues continued access to those areas that are enjoyed by outdoor enthusiasts, and is committed to minimizing our impact on the environment."
"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."
In Store products are available to view in our showroom. In Store orders usually ship the same or next business day.
These models are available for online purchasing and can be shipped directly to you.
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.
Buy this product and your entire order ships for free.
Some orders are inelligible for delivery discounts. See offer details for disqualifying products and destinations.
In Store
