Platinum BBs:~ FSA’s well-known and well-traveled ISIS spindle bottom brackets. Platinum series features a forged spindle. Platinum Pro has a lightweight CNC machined spindle. DH and MegaQuad BBs feature four bearings.
• CNC machined hollow 6/4 Titanium axle for ISIS drive
• Titanium nitride coated spindle
• 2x double-row deep-groove full complement sealed cartridge bearing
