BB30A83 Custom Bottom Bracket Designed and Manufactured – Cannondale Topstone
A Hambini viewer recently enquired about a bottom bracket for his Cannondale TopStone Gravel bike. This bike uses a BB30A83 bottom bracket. A design which is highly unusual, extremely rare and unique to Cannondale. From the frame centerline, the driveside and non drive side apertures have an asymmetrical offset – hence the “A” in BB30A83….
OEM 15267 2RS 15x26x7 Fully Contacting Seal SKF/NTN/NSK/FAG/INA/Koyo/Nachi/Timken