CeramicSpeed T47/86 Inboard Bottom Bracket
Best upgrade for serious gravel riders seeking peak performance.
This bottom bracket offers a robust T47 threaded standard for gravel bikes, combining oversized benefits with practical threading. It features CeramicSpeed's coated bearings and specialized grease for superior durability and reduced drag, ensuring reliable performance across diverse conditions. Designed for 30mm spindle cranks, it provides a precise fit for compatible frames.
$359.00
at
Contender Bicycles
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Who it's for
- Gravel riders seeking long-term reliability and minimal maintenance.
- Performance-focused cyclists prioritizing every watt saved on long rides.
- Riders who value a quiet drivetrain and hassle-free, consistent performance.
Who should skip it
- Budget-conscious cyclists or those seeking more cost-effective component upgrades.
- Home mechanics without specialized tools or riders preferring simpler component maintenance.
- Everyday riders who might not fully utilize the high-performance advantages.
Performance breakdown
Rotational Efficiency
Ceramic bearings deliver near-zero drag for maximum power transfer efficiency.
Frame Stiffness
Oversized design minimizes flex during high-torque gravel climbing efforts.
Installation Ease
Threaded T47 interface simplifies setup compared to press-fit alternatives.
Weather Resilience
UFO grease and coated races effectively repel grit and moisture.
Component Longevity
Hardened-steel races ensure extended service life under demanding gravel conditions.
Creak Prevention
Threaded design provides a rock-solid, silent interface for the frame.
Key Specs
Bottom Bracket Standard
T47
Shell Diameter
47mm
Shell Width
86mm
Spindle Diameter
30mm
Spindle Interface Type
30mm
Bearing Material
Ceramic balls with hardened-steel races
Weight
94 grams
Intended Use
Gravel Cycling
Ceramic Bearings
Yes
Serviceable Bearings
No
Know before you buy
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