Compare bearings
Bones Ceramic REDS® vs Seismic XT
Bearing size
—
Bearing size
8mm
Material
Ceramic
Material
Steel
Built-in spacers
No
Built-in spacers
Yes
Shields
Rubber
Shields
Removable
Lubrication
—
Lubrication
Grease
Bearings per set
8
Bearings per set
8
Country of manufacture
Switzerland
Country of manufacture
—
Features
Does not include spacers
Features
6-ball system, Grade G10 steel balls, Extra-tough steel rings, 60% stiffer outer rings, Patented Built-In spacer interface, Labyrinth-style outer seals, Anti-contaminant ball retainers, Premium black oxide surface treatment, Kyodo Japan lubricant, VCI paper packaging