CBB-SG75 is sealed bearing cartridge bottom bracket for SUGINO75 series.
As fixed gear criteriums are held on the street, the sealed bearing BB is the best choice as they keep out water and dirt very effectively. It is easy to install and use.
Bearing : Steel balls
Axle : "SG75 taper"
Cup Thread : BC1.37x24T
BB shell width : 68mm
*Axle bolts are not included
As SG75 Series use a proprietary taper called "SG75 taper", SG75 crank should only be used on SG75 bottom bracket.
For more detailed information, please check ;
"Important Information on SG75 Taper"