104 Inner 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.
These rings can be used in the inner position.
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Showing 3 products:
Burgtec 104MM BCD Inside Fit E-Bike Steel Thick Thin, 34T- Blk 
BuyPART NUM 559273
Excellent chain retention and mud shedding Designed and manufactured in the UK Item Specifications ring type: single (anti-chain … read more
Ships Freeyour price $65.99 + ships free
BuyPART NUM 559273 
Burgtec 104MM BCD Inside Fit E-Bike Steel Thick Thin, 32T- Blk BuyPART NUM 466402
Excellent chain retention and mud shedding Designed and manufactured in the UK Item Specifications ring type: single (anti-chain … read more
your price $65.99 + ships free
BuyPART NUM 466402 
"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."
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.
These rings can be used in the outer position.
These rings can be used in single ring applications.
These single chain rings have special properties which help retain the chain on the ring.
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.