MACK HUBS Superlight Track Hinterrad Nabe Niederflansch - Schwarz Bullit The Spurcycle Bell is probably

The Spurcycle Bell is probably the best bell in the world

High-quality bearings (Enduro Bearings and IGUS) as well as Double Seal System double seal

HOPE RS4 Centerlock hub set purple (also available in other colors)

WAHOO ECOSYSTEM COMPATIBLE

Rubber compound: standard

MACK HUBS Superlight Track Hinterrad Nabe Niederflansch - Schwarz Bullit The Spurcycle Bell is probablyMACK HUBS Superlight Track rear wheel hub low flange, black MACK Hubs are still handmade, the boss himself manufactures them in Poland to the highest quality standards. MACK hubs are lighter than most railway hubs on the market and are still very resilient and stable. The CNC machined hubs are constructed from 7075 T6 aircraft grade aluminum, a material that is 300% stronger than the standard aluminum grades otherwise used in the bicycle industry.