These bearings are hybrid ceramic with steel races and rounder than round ceramic balls.
Ceramic bearings for powertap g3.
The procedures here are the same for all similar hubs of the same g2 generation i e.
To begin you ll need your handy hub cap wrench.
Powertap pro found in.
The g3 hub is different in that the magnet that s on the axle does not fit out of the opening on the non drive side of the hub shell.
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Ceramicspeed bearings are said to be the lightest smoothest and most durable bearings on the market.
Slc with ceramic bearings.
The video often linked in these powertap bearings threads is for an older pt hub with a slightly different design.
They re the ne plus ultra of the bearing world and are the upgrade that transforms the powertap g3 wireless hub into the g3c wireless hub.
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When you read about pro teams replacing stock bearings with ceramics ceramicspeed is the company they rely on.
These bearings are hybrid ceramic with steel races and rounder than round ceramic balls.
They run smoother and they shave 10g off of the total weight of the g3 rear hub.
Around xmas i noticed that the bearings weren t smooth and felt a bit dry and now there is some play in them noticable with the wheel in situ by rocking side to side but also noticable in the freehub by rocking the big sprocket on the cassette.
Firmware updates g3 only we ll start with the one generation old sl hub.
G3 is short for generation three.
Hi i got a powertap g3 in october from my lbs.