Giant reign 2015 - 2017 complete maestro suspension bearing set includes all 12 bearings 4 sizes Aluminium and carbon advanced models Heavy duty sealed bearings

compatible heavy duty bearings

Spec: GCR15 high carbon chromium bearings steel is standard material or precision C3 bearings

Retainers : H62 copper sheet or 08F cold rolled steel belt

Seals: Buna NitrileRust Resistance under normal operating conditions for six months then relube if necessary.

Lubrication : Bearings are supplied with low noise bearing grease thickened by lithium and calcium 12 - hydroxystearate,, made from deeply refined mineral oil with rust inhibitors and anti oxidants.