CeramicSpeed Bottom bracket pf4630 coated 46x68, x73, x79, x86

PF4630 coated road bottom bracket (PF30/Bbright/PF30A/EVO386) 46X68, X73, X79, X86 black For PF4630 frames 46mm diameter 68 to 86mm width CS bearings last 3 times longer than other bearings. Ceramic balls are 100% smoother and 15% harder than the ceramic competition. Average drag reduction of 75% compared to most BB's Coated products: increase bearing ring hardness, avoid wear. Metallic layer 75% harder than hardened steel. Applied very thinly and evenly over the entire inner and outer surface Contents: 2 bowls with bearings installed / 1 spacers 1mm / 1 spacers 0,5mm / 1 protective cap / 1 gasket 0 / 1 spacer tube / 1 tube of All Round grease 10ml / 1 sticker