Hope Pro 5 eBike Rear 6 Bolt 12x148mm Disc Hub - Rear - 12x148mm Boost - Shimano HG Splined - 6 Bolt - 32 Hole - J-Bend - Black YGroup_7033614041133 Diameter: 30mm (think the middle

Diameter: 30mm (think the middle sized bowl of porridge in Goldilocks)

Note: This is to be used with Go Pro style light mount(sold separately)

Weight: 520g

this small multi tool has a smooth ergonomic operation

Driven by the idea of elevating athletic performance through progressive innovation

Hope Pro 5 eBike Rear 6 Bolt 12x148mm Disc Hub - Rear - 12x148mm Boost - Shimano HG Splined - 6 Bolt - 32 Hole - J-Bend - Black YGroup_7033614041133 Diameter: 30mm (think the middleBuilding on Hopes 30+ years of manufacturing hubs, the Pro 5 is the combination of all their experience into a product to meet and exceed the demands of current and future bike technology. Features: Improved sealing to stop dirt ingress and to reduce drag New Labyrinth seal has zero drag for incredible freewheeling performance New Pawls Springs design to increase longevity, load capacity & a reduction of drag. 54 points of engagement with 6 pawls