Sunlite SL-55 BSA Square Taper Bottom Bracket with Sealed Bearings Model Name_Monarch RT3 and a secure fit-your bike's

and a secure fit-your bike's drivetrain depends on it

Its sleek white finish complements a variety of bike styles

Designed with a downturned profile and aggressive downturn

1 Wire TPI Tire - the ideal combination of durability

Sunlite SL-55 BSA Square Taper Bottom Bracket with Sealed Bearings Model Name_Monarch RT3 and a secure fit-your bike'sUpgrade your bicycle's performance with the Sunlite SL 55 Square Taper JIS 73x107 Spindle BSA Bottom Bracket, engineered for durability and smooth operation. Crafted with precision engineering, this bottom bracket features high quality alloy shells and cups, providing a lightweight yet robust foundation for your crankset. The chromoly spindle ensures enhanced strength and longevity, making it ideal for both daily rides and demanding cycling