CeramicSpeed T47a Bottom Bracket for Shimano – uncoated
Handmade ceramic bearings in aluminium bearing shells
For cranks with 24mm Shimano Standard
Theย CeramicSpeed T47a Shimanoย is an asymmetrical bottom bracket and designed for bike frames with a 77mm shell width. CeramicSpeed bottom brackets offer extreme stiffness, low friction, high reliability and unmatched durability. All bearings fromย CeramicSpeedย are equipped with high-qualityย CeramicSpeedย balls and have been pressed into shells made of aluminum. The ceramic balls are rounder, smoother, harder, lighter and more durable than steel balls.
Theย CeramicSpeedย T47a reduces drag by 75% compared to conventional bottom brackets. The precision dust caps have a snug and secure fit. These fully protect the face of the bearing while providing exceptional performance without compromising.
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