isis bottom bracket with double row sealed drive-side bearings. avaiable with titanium or chromoly spindle, 113mm length.

compatibilty 68mm and 73mm frame shells
shell laser etched 6061-t6 anodized aluminum
external runner seals
threaded cups 6061-t6 anodized aluminum
drive-side bearing sealed double row cartridge
non drive-side bearing sealed single row cartridge
warranty 5 years

cobalt ti bb :
180 grams

cobalt chromoly bb :
236 grams