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Thun has been striving to inspire through the quality of its products and technical after-sales services for more than 100 years. The company is strictly process and KPI driven. The entire production is run with statistical process control and advanced CAQ software (SYNCOS MES ®). All products are approved through powerful validation methods like optical and sensory 3D measurement. Essential tools from the lean 6 Sigma model are constantly being employed: FMEA, KAIZEN, CPK analysis, etc. Industry 4.0 is demonstrated through digital interfaces between employees, machines, products, resources and processes. Thun’s sophisticated quality and process management is certified as per ISO 9001:2015. Another strength is Thun’s excellent supply capacity which allows for global OEM orders to be shipped in a matter of hours.



































IMPORTANT HISTORIC MILESTONES
1919
Alfred Thun I establishes company in Ennepetal. He recognizes the lack of individual mobility after the war and begins to produce headsets and drive systems for bicycles.
1925
The cold forging technology is introduced.
1945
Alfred Thun II joins the business.
1950
Cranksets become part of the product range.
1963
Alfred Thun II introduces cold forging technology for crank arms.
1978
Alfred Thun III joins the business.
1988
The first square-tapered bb-set is produced.
1990
The THUN group employs a total of 2000 employees at numerous international subsidiaries.
1995
The technological global market leadership is achieved with regards to crank sets.
1998
International locations are given up and Ennepetal becomes the focused production site.
2005
Focus on square-tapered bb-sets.
2006
Stella-Béatrice Thun joins the business.
2014
Christian Alfred Thun and Alexander Thun join the business as fourth generation.
2020
Alexander Thun becomes Co-CEO of Alfred Thun GmbH.