DT Swiss 6903 Bearing (Sinc Ceramic) (30mm OD, 18mm ID, 7mm Wide)

DT Swiss SINC Ceramic Cartridge Bearings. Features:

• Designed by DT Swiss with precise tolerances and the high end materials you expect
• Silicon nitride ball bearings are an extremely tough and durable ceramic material
• Precision ground steel alloy bearing rings are designed specifically for the ceramic bearings
• This combination reduces rolling resistance to an absolute minimum and provides high durability

Remarks: Bearing upgrade for 240S hubs with 18mm O.D. axle