![Brunner ran a Shimano Ultegra crankset with 46/36t chain rings. Eric Brunner's Blue Norcross SL Cyclocross Bike. © B. Grant / Cyclocross Magazine](https://www.cxmagazine.com/wp-content/uploads/2019/12/blue-eric-brunner-cyclocross-img_9945-cxmagazine-bg.jpg)
Brunner ran a Shimano Ultegra crankset with 46/36t chain rings. Eric Brunner’s Blue Norcross SL Cyclocross Bike. © B. Grant / Cyclocross Magazine
Brunner ran a Shimano Ultegra crankset with 46/36t chain rings. Eric Brunner’s Blue Norcross SL Cyclocross Bike. © B. Grant / Cyclocross Magazine