For more than 100 years Thun has been producing and distributing components for bicycles. The family business particularly focuses on transmission parts such as bb-sets and sensor technology for e-bikes. The company is located in Ennepetal, Germany, where 50 employees employ highly efficient processes yielding more than 50,000 units per day. Components by Thun are successfully sold worldwide. Due to its superior technology Thun has become world market leader.