Blackbox Ceramic Bottom Bracket

Jumped on it going up a hill and all of the sudden it started creaking and grinding really bad.

Blackbox ceramic bottom bracket. 5 0 out of 5 stars over 27k miles and still smooth. Sram s gxp blackbox ceramic bottom bracket features ceramic bearing technology making it one the smoothest most efficient bottom brackets on the market. The gxp system captures the left side bearing between the spindle and the left crankarm while allowing the drive side bearing to float axially on the spindle thereby eliminating the necessity to side load bearings during adjustment. In addition to being lighter than standard bearings sram s ceramic bearings use a more rounded cut to reduce mechanical drag and create optimal power transfer.

In addition to being lighter than standard bearings sram s ceramic bearings use a more rounded cut to reduce mechanical drag and create optimal power transfer. Reviewed in the united states on october 29 2018. 5 0 out of 5 stars over 27k miles and still smooth. Love the group but this supposedly great bottom bracket with its ceramic bearings has already worn out.

Got this bottom bracket just over 6 months ago as part of a group i purchased on ebay. Made it home but the drive side bearings are shot. Sram s gxp blackbox ceramic bottom bracket features ceramic bearing technology making it one the smoothest most efficient bottom brackets on the market. I ve had the 70 gxp ceramic installed in my pinarello.

I ve had the 70 gxp ceramic installed in my pinarello for over 27 000mi 43 500km and it s just starting to show. The blackbox gxp bottom bracket is a high performance external bearing bottom bracket. 0 comment report abuse angelapa.