![Brunner went clutch with the Shimano RX805 Di2 rear derailleur. 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_9943-cxmagazine-bg-1280x853.jpg)
Brunner went clutch with the Shimano RX805 Di2 rear derailleur. Eric Brunner’s Blue Norcross SL Cyclocross Bike. © B. Grant / Cyclocross Magazine
Brunner went clutch with the Shimano RX805 Di2 rear derailleur. Eric Brunner’s Blue Norcross SL Cyclocross Bike. © B. Grant / Cyclocross Magazine