Proximity Sport

Ceramicspeed T45 Shimano Bottom Bracket Cups 82.5 mm Black

T45 is sometimes referred to as ThreadFit82.5, sometimes as the Colnago standard.

This kit allows you to install Shimano and other 24mm diameter spindle cranks on your Colnago.

CeramicSpeed bearings are installed in cups and are connected through the housing.

There are 2 versions:standard and coated bearings.

Both have super round ceramic balls and hardened steel strokes.

CeramicSpeed coated bearings have an additional attribute:a 3 micron thick metal layer on the tracks.

This addition makes racing harder and smoother, reducing endurance and increasing life.

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