The Marbel 2.0 uses a unique bearing size inside the wheel pulley to increase the efficiency of the complete drive system. This bearing should be serviced as you normally would service your other skate bearings.
The bearing inside of the wheel pulley is a 6903-2RS. Service kits will be available to purchased through our shop in January.
- 17mm Inner Diameter
- 30mm Outer Diameter
- 7mm Width