![The Shimano Dura Ace 9000 crankset has the not-yet-available Dura Ace 'cross rings with a 46-39 combination. Note that these are not the hollow machined outer chainrings like the versions that come The Shimano Dura Ace 9000 crankset has the not-yet-available Dura Ace 'cross rings with a 46-39 combination. Note that these are not the hollow machined outer chainrings like the versions that come](https://www.cxmagazine.com/wp-content/uploads/2015/02/jonathan-page-2015-cxmagazine-ayee-20150112-IMG_5718nats2015-5718.jpg)
The Shimano Dura Ace 9000 crankset has the not-yet-available Dura Ace 'cross rings with a 46-39 combination. Note that these are not the hollow machined outer chainrings like the versions that come
![Dura-Ace cyclocross rings are pro only, but the 39t inner ring is even more rare. Tom Meeusen's Canyon Inflight CF SLX. © A. Yee / Cyclocross Magazine - Cyclocross Magazine - Cyclocross Dura-Ace cyclocross rings are pro only, but the 39t inner ring is even more rare. Tom Meeusen's Canyon Inflight CF SLX. © A. Yee / Cyclocross Magazine - Cyclocross Magazine - Cyclocross](https://www.cxmagazine.com/wp-content/uploads/2019/10/2019-tom-meeusen-canyon-cyclocross-img_0978-cxmagazine-ay_1-750x551.jpg)
Dura-Ace cyclocross rings are pro only, but the 39t inner ring is even more rare. Tom Meeusen's Canyon Inflight CF SLX. © A. Yee / Cyclocross Magazine - Cyclocross Magazine - Cyclocross
![Paul Curley used 7900 Dura-Ace 130 BCD crankset, paired with matching Dura- Ace 46t/39t chainrings. © Cyclocross Magazine - Cyclocross Magazine - Cyclocross and Gravel News, Races, Bikes, Media Paul Curley used 7900 Dura-Ace 130 BCD crankset, paired with matching Dura- Ace 46t/39t chainrings. © Cyclocross Magazine - Cyclocross Magazine - Cyclocross and Gravel News, Races, Bikes, Media](https://www.cxmagazine.com/wp-content/uploads/2015/04/paul-curley-nats-2015-cxmagazine-ayee-20150108-IMG_4029_1.jpg)
Paul Curley used 7900 Dura-Ace 130 BCD crankset, paired with matching Dura- Ace 46t/39t chainrings. © Cyclocross Magazine - Cyclocross Magazine - Cyclocross and Gravel News, Races, Bikes, Media
![Legan ran a Dura-Ace R9100 crankset with 50/34t chain rings during the Almanzo 100. Kristen Legan's Titanium Firefly Cyclocross/Gravel Bike. © Z. Schuster / Cyclocross Magazine - Cyclocross Magazine - Cyclocross and Legan ran a Dura-Ace R9100 crankset with 50/34t chain rings during the Almanzo 100. Kristen Legan's Titanium Firefly Cyclocross/Gravel Bike. © Z. Schuster / Cyclocross Magazine - Cyclocross Magazine - Cyclocross and](https://www.cxmagazine.com/wp-content/uploads/2019/03/IMG_0223-ed.jpg)