- -20%

Good BB86 ceramic bearings are very hard to find for 30mm crank spindles.
That's why we have listed this BB that will suit with BB86 frames and Rotor cranks: 3D+, Aldhu, Aldhu Carbon, Inpower/2Inpower, Vegast 30mm
The smoothness is great ! You can expect saving 4 watts at 70 RPM compared with a standard steel BB 41/30
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BB width: 86mm
BB diameter: 41mm (external), 30mm (internal)
Tunnel: YES
Handmade in France.
CyclingCeramic Ball is grade 3 Silicium Nitride. They are smoother 153 %, 214 % harder and 42 % lighter than steel balls used in the most of bikes.
44g per set (verified)
Here's a proof of the outstanding level of the product (video taken with bearings full of grease):
Data sheet
Specific References