104 40 Teeth 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.
Contact Modern Bike via email, telephone, or showroom visit.
learn more
You may check the order status of a recent purchase to learn if it has been delayed, when it may ship, or if it has already been shipped.
check order status
Your Shopping Cart contains 0 products. View your cart to change product quantities, apply deal codes, or checkout.
Sort
Showing 4 products:
Shimano XT M785 40t 104mm 10 speed AJ-type Outer Ring
BuyPART NUM 475025
Shimano XT M785 Chainrings For use with AJ-type 28t inner ring Item Specifications Material: Aluminum Teeth: 40teeth … read more
In Store
Ships Freeyour price $70.99 + ships free
BuyPART NUM 475025 
BOX Cosine Chainring 104BCD x 40t - Black BuyPART NUM 305736
CNC machined 6061-T6 aluminum with rounded tooth profile to reduce chain wear … read more
your price $54.99 + ships free
BuyPART NUM 305736 
Onyx 4 Bolt Chainring: 40t Black BuyPART NUM 855175
A premium level, aluminum CNC-machined chainrings for 4-bolt pattern cranks. CNC machined from 7075 aluminum Features a keyed backing for … read more
your price $49.95 + ships free
BuyPART NUM 855175 
"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."
"We move forward with a desire to deliver the best possible components to our customers and a determined spirit of competition."
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 outer position.
These rings can be used in single ring applications.
Our Lowest Price - This product is ineligible for additional discounts or rebates.
These rings can be used in the inner position.
These rings can be used in the middle position.
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.