Front Hub | Sprint DB SL | Disc Brake | 20 Hole | Black Type:Front Hub day light riding) the graph

day light riding) the graph below shows that for the SONdelux there is less than half a watt extra rolling resistance compared to a high quality normal non-dynamo hub

Bearings | Precision stainless steel cartridge bearings with waterproof grease specially selected for the worst weather

Shimano ICE Technology uses an innovative 3-layer clad rotor system to reduce heat levels in the disc brake rotor

Precision machined rim brake track

featuring a hooked and ETRTO-compliant tubeless-ready rim

Front Hub | Sprint DB SL | Disc Brake | 20 Hole | Black Type:Front Hub day light riding) the graphTechnical Specification Type: Front Hub Braking Interface: Disc Brake Spoke Holes: 20 Spoke Bend Type: Straight Pull Colour: Black Total Weight: 95g Hub bearings from left (disc side) to right (non disc side): 6802 2RS Bearing Stainless Steel 6802 2RS Bearing Stainless Steel