Hub dynamos from Shutter Precision are small and strong power packs for your bike’s power supply. They are characterised by a smooth and compact design, are lightweight, reliable and highly efficient. Shutter Precision was founded in 2007 as a producer of shutter systems and lens technology for digital cameras. In the following years, they applied their expertise in micro-motor technology to create precision hub dynamos that reliably power bicycle lights in any weather. Hub dynamos are available in many colours and designs for wheels with rim or disc brakes as well as different axle types and sizes.