HSC Ceramic Hybrid External Bottom Bracket - BSA

Upgrade Your Ride!

HSC’s External Threaded Bottom Bracket is engineered for smooth performance and durability. Featuring high-grade ceramic bearings, ABEC-7 steel races, and grade 3 Si3N4 ceramic balls, this bottom bracket ensures reduced friction and longevity. Machined from aluminum and anodized in various colors, it delivers both style and strength.

Fits Frames with a 68 mm BSA (Road External Bottom Bracket):

Compatible with a variety of cranksets, that feature a Shimano Hollowtech II style spindle (24 mm) or SRAM DUB.style (29 mm) spindle, This bottom bracket integrates seamlessly into your frame for a stiff, secure fit. 

Compatible Cranksets options:

Specs:

• Shell I.D.:  English: 1.37" x 24 TPI
• Shell Width:  68 mm
• Weight:  ~85g
• Material:  Aluminum - Si3N4 Ceramic Hybrid
• Installation Tool:
• BSA:  Uses a 44 mm ID socket tool
• DUB:  Tool included with purchase

Why Choose HSC?

• Smoother & Faster:  Ceramic bearings reduce rolling resistance.
• Built to Last:  ABEC-7 steel races and dual-lip seals protect against wear.
• Lightweight & Efficient:  Pre-lubricated and optimized for performance.
• Wide Compatibility:  Works with Shimano, SRAM, and more.