CeramicSpeed PF4630 Bottom Bracket
Best high performance upgrade for dedicated competitive cyclists.
This is the ultimate drivetrain upgrade for riders who prioritize marginal gains and mechanical silence. By swapping standard steel for ultra-low-friction ceramic bearings, you trade a higher upfront investment for significantly smoother power transfer and long-term durability that standard components simply cannot match.
$379.00
Who it's for
- Competitive cyclists seeking maximum efficiency and marginal gains
- High-mileage riders wanting a durable and reliable drivetrain component
- Performance-oriented cyclists who prefer spending more time riding than wrenching
Who should skip it
- Budget-conscious mechanics or casual riders on a strict build limit
- Home mechanics without access to professional-grade workshop equipment
- Low-maintenance users who prefer a set-and-forget component approach
Performance breakdown
Rotational Efficiency
Ceramic bearings drastically reduce drag for a noticeably smoother pedal stroke.
Drivetrain Responsiveness
Power transfer feels immediate and crisp under high-wattage efforts.
Compatibility Versatility
Adapts seamlessly across multiple frame standards and crankset configurations.
Build Precision
Engineering tolerances are exceptionally tight for a secure, creak-free fit.
Maintenance Accessibility
Non-serviceable bearings require complete replacement rather than simple cleaning.
Weather Resistance
Performance-focused design prioritizes speed over heavy-duty environmental sealing.
Key Specs
Bearing Material
Ceramic
Weight
226.8 grams
Shell Diameter
46.0 mm
Shell Width
68.0 mm
Spindle Diameter
30.0 mm
Spindle Interface
30mm
Ceramic Bearings
Yes
Serviceable Bearings
No
Water Resistant
No
Adjustable Chainline
No
Know before you buy
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Ask Metto anything about the CeramicSpeed PF4630 Bottom Bracket before you decide.
