EVO386 Ceramic Bottom Bracket

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AITA EVO386 ceramic bottom bracket is fully compatible with EVO386 (86.5mm width) standard frame. It is a Press Fit bottom bracket to fit EVO386 standard frames with 30mm spindle EVO386 cranks. This EVO386 ceramic bottom bracket comes with AITA signature hybrid ceramic bearings built up with Grade 3 Si3N4 ceramic balls and ABEC7 hardened steel races.

With the Grade 3 Si3N4 ceramic balls (8 times rounder and 4 times smoother than the steel's), spinning on the hardened ABEC 7 races, AITA's ceramic bearings run much smoother than most of the bearings in the market and consume 20% of the power compared with the steel bearing, plus the bearings will last 3-5 times longer.

2 year warranty.

Fibre reinforced polymer bottom bracket cups;
ABEC7 high chrome vacuum degassed bearing steel races with quenching and tempering hardening;
Grade 3 Si3N4 ceramic bearing balls; Nylon bearing retainer;
Dual lips light contact rubber bearing seals;

Frame requirements:
EVO386 standard frame with 86.5mm width;
Shell inner diameter 46mm;

Crankset compatibility:
30mm spindle EVO386 cranksets;


Frame requirement:
EVO386 standard frame; Shell inner diameter 46mm and width 86.5mm
Crank compatibility:
30mm spindle EVO386 cranksets