Threading: English or Italian
Weight: 92 g.

For use with Shimano Dura-Ace 7800 or Ultegra 6600 cranksets

Turbo-charge your bike with ceramic bearings. Compared to steel bearings, Ceramic Speed Silicon Nitride (Si3N4) bearings reduce friction, decrease power loss, reduce weight and lengthen service life. They are also less susceptible to dirt, dust and poor lubrication. Select English (68mm) or Italian (70mm) threading.

For use with Campagnolo Record-UT or Chorus-UT cranksets

Turbo-charge your bike with ceramic bearings. Compared to steel bearings, Ceramic Speed Silicon Nitride (Si3N4) bearings reduce friction, decrease power loss, reduce weight and lengthen service life. They are also less susceptible to dirt, dust and poor lubrication. Requires professional installation.

Threading: English or Italian
Weight: 140 g.

For use with FSA Mega Exo crank systems

Oversize cartridge bearings with forged and CNC machined external cups. Alloy center sleeve with double o-ring seals.

Threading: English or Italian
Weight: 130 g.

For use with FSA Mega Exo crank systems

Oversize ceramic cartridge bearings with forged and CNC machined external cups. Alloy center sleeve with double o-ring seals. Upgrade the performance and durability of your FSA Mega Exo system. Ceramic bearings roll smoother with less friction and last longer than standard steel bearings.

Threading: English or Italian
Weight: 99 g.

For use with Dura-Ace FC-7800 or FC-7803 cranksets

Hollowtech II bottom bracket offes super power transmission and uses the optium balance of lightweight and rigidity. Minimal bearing interface for smoother rolling.

Threading: English or Italian
Weight: 99 g.

For use with Ultegra FC-6600 or FC-6603 cranksets

Hollowtech II bottom bracket offes super power transmission and uses the optium balance of lightweight and rigidity. Minimal bearing interface for smoother rolling.

Threading: English or Italian
Weight: 95 g.

Ultegra 6601-G BB external cups available in English or Italian threading.

Threading: English or Italian
Weight: 98 g.

For use with Red or Force cranksets

SRAM Black Box Ceramic GXP Bottom Bracket cups. Speed-sapping friction? The Red Crankset virtually eliminates it with new hybrid ceramic bearings housed within the GXP BB's case. Ceramic bearings ride in a stainless steel race, and are lighter, stiffer, and longer-lasting than normal bearings.

For use with Sram Red or Force cranksets

Radial loads are transferred to the GXP's drive-side bearing, optimizing bearing loading and power transfer while minimizing wear. The GXP's design allows for greater variation in BB shell alignment, maintaining precision and performance regardless of thread and construction irregularities in the frame.

Zipp standard external BB cups in English or Italian threading. 76 g.

Zipp ceramic external BB cups in English or Italian threading. 76 g.