77designz was founded in 2007. Based in Germany, we manufacture specialized bicycle components; our products include chain guides for round and oval chainrings and crash plates to protect chainrings from rocks and logs. We have won several design and innovation awards for our Freesolo and Oval Guide chain guides. We have also used our firsthand knowledge and experience to develop one of the lightest yet most reliable and comfortable Enduro cockpits out there. All of our products are innovative, race-proven, and reasonably priced. 

We care about the environment here at 77designz, so many of our products are produced locally and we ship all packages in minimal paper packaging to save the world from plastic. 

We give our very best every single day, so that you can have amazing rides and go even faster. 

Giacomo Großehagenbrock (Founder, Cofounder, and Owner)


Brief History

77designz was founded in 2007 by three friends in Münster, Germany. Our goal was (and still is) to create super light, yet highly functional, chain guides for mountain bikes. Our expertise in frame design and kinematics led to the Flatout DH Bike and the CAN EN a 160mm Enduro Bike. Our experiments with cockpits resulted in our iconic DH direct mount stem.

After some turbulence, we shut our doors in 2014 and sold our existing product line to EMANON. After EMANON filed bankruptcy due to some financial planning mistakes, Giacomo and Stefan decided to relaunch 77designz and develop a brand-new product range. Since its reopening in 2015, 77designz has become a fast-growing, sought-after brand standing for race-ready components that you can trust. 



Giacomo Großehagenbrock is the founder, owner, and mastermind of 77designz. His creative madness and technical sobriety prove a great advantage to the development of highly innovative products for 77designz.

Stefan Mundorf is a mechanical engineer; he is responsible for the construction and technical documentation of our components. He communicates with our industry customers like alutech-cycles.com, as well as with our production partners, and continually works to advance our products.

Cofounder Lukas Scheidgen, (who left in 2010), worked in accounting and was the master on the CNC machine. Because he was a full-time machinist, he spent countless weekends building prototypes for 77designz.

We have been friends for years. Each one of us has a strong commitment to mountain biking and has witnessed the development of this diverse sport from the beginning. Our innovative products reflect our demand for perfection.


77designz UG (haftungsbeschränkt)
Address: An der Kolvenburg 8 - 48727 Billerbeck - Germany
Telefon: +49 2543/2184395
E-Mail: info@77designz.com