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:
Rotor QX2 Chainring, 110 38t Black 
Info
For double ring setup: QX2's 10% ovalization offers a scientifically proven biomechanical advantage over round chainrings Optimum Chainring … read more
Ships Freeyour price $130.00 + ships free
Info 
Rotor QX2 Chainring, 104 38t Black Info
For double ring setup: QX2's 10% ovalization offers a scientifically proven biomechanical advantage over round chainrings Optimum Chainring … read more
your price $146.00 + ships free
Info 
Rotor OCP DM Q Oval 1x Ring, 38T, Black Info
OCP mount's patent-pending, proprietary technology allows the oval direct mount to be adjusted in 1-degree increments for optimized pedaling biomechanics … read more
your price $150.00 + ships free
Info 
Rotor OCP DM 1x No-Q Ring 38t Black Info
OCP mount's patent-pending, proprietary technology allows the oval direct mount to be adjusted in 1-degree increments for optimized pedaling biomechanics … read more
your price $130.00 + ships free
Info 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 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.