Rohloff AG is a German company from Fuldatal near Kassel that manufactures hub gears, bicycle chains and tools that are known for their durability and high performance. The company’s logo is a black silhouette of a raven on a yellow background.
Rohloff AG was founded in 1986 and began by producing a high-tech and very expensive bicycle chain, the SLT 99.
Each year Rohloff produces approximately 15,000 gear hubs (stated 2006). The Rohloff Speedhub 500/14 is the only bicycle hub with 14 gears, which can replace a regular chain derailleur system regarding level of friction and range of transmission.
They also produce an automatic chain lubrication system and cycle tools such as a chain riveting tool and a chain measurement tool.