Eugene, Oregon, April 5, 2016

Eugene, OR – US hand-built bicycle wheel manufacturer, Rolf Prima has partnered with Hull and Knarr to build a custom wheelsets to be raffled off with proceeds benefiting the non-profit Nine13sports.


the custom built wheels

Nine13sports’ core mission is to get more kids riding bikes and they do this in a unique fashion of using stationary bikes to introduce cycling in a fun, safe and structured way. “As soon as Hull & Knarr found out that Nine13sports inspires children to learn about riding bikes, staying active, and living a healthy lifestyle, we knew we had to be a part of it. We share those same passions and are fortunate enough to work with other companies like Rolf Prima that do too.” said, Stacey Ferrel, Hull and Karr’s Outreach and Wellness Manager.  “By helping to expand support, we hope to assist Nine13sports in continuing their passion of educating children.”

Rolf Prima will be building their most popular road bike wheel model the Ares4 carbon clincher set that will feature their Ballistic Armor Coating with custom red hubs and matching decals.

Raffle tickets can be purchased at: and are sold in increments of $10/each.  The winner will be drawn on April 29th.

Nine13sports® is a 501(c)(3) non-profit organization that promotes health, wellness, and exercise for local youth between the ages of 8 and 18 through our Kids Riding Bikes® programs.  We have created a unique initiative in which we have integrated the traditional bicycle with technology to provide a turnkey product for youth programs, schools, and other community organizations.  In addition to individual betterment of health and fitness, our programs promote community, teamwork, and mutual respect for one another designed to foster a lasting impact. Serving Indianapolis, Indiana since 2012, Portland, Oregon since 2015, with two new markets coming in 2016. Learn more about Nine13sports:

Rolf Prima is based in Eugene, Oregon on the US west coast – a hotbed for all forms of world class cycling – road, mountain, triathlon and gravel. Best recognized as the originator of the paired spoke design, Rolf Prima holds many wheel patents and has been on the sharp end of wheel system innovation from the beginning. All engineering and testing is performed in their Eugene, Oregon facility where for the last 15 years Rolf Prima has built every wheel by hand. In 2014 Rolf Prima expanded their US footprint bringing aluminum rim manufacturing in house as well.


Contact: Brooke Stehley [] Rolf Prima

940 Wilson St.

Eugene, OR 97402

Voice: 541.868.1715 x 203