| LuK Challenge Chrono | |
| Date: | Late July - Early August |
| Region: | Rastatt, Germany |
| English: | LuK Challenge Chrono |
| Localnames: | LuK Challenge Chrono |
| Discipline: | Road race |
| Competition: | UCI Europe Tour |
| Type: | Team Time Trial |
| Number: | 19 |
| Last: | 2006 |
LuK Challenge Chrono was a road bicycle race held annually as a team time trial for pairs in Bühl, Germany. In 2005 and 2006, the race was organized as a 1.1 event on the UCI Europe Tour.[1] After 2006, the sponsor, LuK, withdrew as part of Germany's general disengagement from cycling amidst a number of doping scandals, and the race did not take place again.[2]
In the past, this race was also known as: [3]