The ride starts here.
What’s new?
KUNUNU Top Employer
THUN has been named Kununu Top Employer 2026. Based on feedback from our own team, the award reflects what shapes everyday work in Ennepetal: shared knowledge, real responsibility and bicycle components built for riders around the world.
Bolero
Meet BOLERO, THUN’s latest lightweight bottom bracket for racing and gravel bikes. Made in Germany, it pairs a deep-drilled SL spindle with sealed 2RS bearings and extra-short spindle options for compact frames.
Eurobike 2026
We’ll be attending Eurobike again this year, with our full team on site. We’re looking forward to connecting with customers and partners, showcasing our latest developments, scouting trends and gathering inspiration. It’s a great opportunity to dive deeper into our portfolio and exchange ideas.
honest bicycle components
About thun
For more than 100 years, THUN has been developing and manufacturing bicycle components in Europe. We focus on the parts and systems that turn pedal power into movement and help make every ride feel stable and reliable. From city bikes to e-bikes, THUN delivers drivetrain components that fit the way bicycles are built today. With decades of expertise in bottom brackets, cranksets and OEM requirements, we help manufacturers build with confidence.
Our Products
catalogue
WORTH A CLOSER LOOK
Want to learn more about our products? Then take a look at all of them and our current catalogue.
The ride starts here. Every single second makes a difference. You make a difference. Get on your bike—in the city, in the countryside, wherever. On any road, on any trail, in any weather. Just start moving. Start a movement. Set an example. Set boundaries. Be kind to others. Find balance. Screw perfection. Foster change. Embrace failure. Prioritize your health. Eat well. Work those muscles. Take breaks. Go dancing once in a while. Sit by a campfire. Spend time with family and friends. Watch the sunrise. Enjoy simplicity. Do what you are passionate about. Make it count.