SunRace BBS 15 Square Taper Bicycle Bottom Bracket Spindle – BBS15 Review Posted by Pelicandy August 26, 2018 in Drivetrain Components Sealed cartridge bearings with steel cups Square taper steel spindle 338g (113mm spindle) Square taper steel spindle. Sealed cartridge bearings with steel cups. 338g (113mm spindle) Random Products Sugino 30t 74mm MTB Chainring Review RaceFace Chain Stay Pad: Oversize, Black Review SunRace CSM990 Wide Ratio Cassette 11-40T, 9 Speed... ODYSSEY MID Bottom Bracket w/o Spindle Review Cycling Outdoor Recreation Parts & Components Sports & Outdoors SunRace