The 7 series dynamo hubs are a bold advance in innovation and technology, matching the output of the 8X series, with a reduced weight of 60 grams. Compatible with standard dynamo system lights and convertors for USB powered devices, while providing a slightly higher output than 8 and 8X series hubs.

• The 7 series dynamo hubs are a bold advance in innovation and technology, matching the output of the 8X series, with a reduced weight of 60 grams. Compatible with standard dynamo system lights and convertors for USB powered devices, while providing a slightly higher output than 8 and 8X series hubs.
• High quality sealed bearings and assembly processes