CeramicSpeed BSA30 Bottom Bracket – English Threaded - RED (101317) The CeramicSpeed BSA30 Bottom Bracket is engineered to fit 30 mm thru-axle cranksets into traditional BSA / English-threaded road frames. Designed for 68 mm wide shells with a 34 mm internal diameter, this system delivers low friction, durability, and straightforward installation for modern oversized crank spindles. Key Features CeramicSpeed BSA30 bottom bracket system Designed for 30 mm spindle cranksets Traditional English-threaded (BSA) interface Reverse-threaded drive side for secure installation Standard bearing races for smooth, reliable performance Specifications Frame Interface: BSA / English threaded Shell Width: 68 mm (road) Shell Inside Diameter: 34 mm Crank Spindle Diameter: 30 mm Bearing Type: Standard Application: Road Compatibility Road frames with BSA / English-threaded bottom bracket shells 30 mm spindle cranksets (e.g. Rotor and other compatible brands) In the Box Two threaded cups with bearings installed 1 mm spacers 0.5 mm spacers Dust covers O-ring Spacer tube CeramicSpeed All Round Grease CeramicSpeed sticker sheet Why It Matters Fitting a 30 mm spindle into a threaded road frame demands precision. The CeramicSpeed BSA30 system provides a durable, low-friction solution that preserves the reliability of English threading while unlocking the stiffness and performance benefits of oversized crank spindles.
