BLACK ANODIZED ALUMINUM CUPS
(CUP THREADS
ARE "ENGLISH")
BEARINGS: ABEC 3 RATED CHROMIUM STEEL
BALLS: GRADE 10
ALUMINUM AXLE SLEEVE
AUXILIARY SILCONE SEALS
ALUMINUM CUP SPACERS (3 x 2.5mm)
*The
bearings in our BB cup sets do not use axle shims,
allowing us to reduce the bearing ID and use
larger balls for greater strength!