Non-Contact Seals - Ultra low friction. Used where you require ultimate performance from your hubs or bottom brackets. Ideal for race bikes.
Superior alternative to Hybrid Ceramic Bearings.
Inner x Outer x Depth (mm): 30 x 42 x 7mmUsed on: Bottom bracketsBrand: NTN or NSK as stock availability dictatesNote: Image used is generic and a guide for bearings size proportions. The seal colour may be different to that shown too.