KACTUS BSA Ceramic Bottom Bracket

Thread Type: BSA (English Thread)

Shell Width: 68–73mm

Material: 7075 CNC-machined aluminum alloy

Bearings:

• SKF ceramic bearings for high durability
• G3 Silicon Nitride ceramic beads (low friction, heat and wear resistant)
• Hardened steel bearing races
• Low noise and competition-ready smoothness

Construction Features:

• Anodized surface for wear resistance
• Lightweight body (~91g)
• Sealed with rubber rings to prevent dust ingress
• Delicate rotary thread for secure and easy installation
• Laser-etched graphics for lasting quality
• Includes free adjustable spacers for chainline alignment
• Color Options: Black, Red

BSA24

Axle Compatibility: 24mm / 22mm(with provided adapter)
Fits:

• Shimano cranksets (all 24mm models)
• SRAM GXP (road or MTB)
• Rotor 3D24, Aldhu24

BSA30

Axle Compatibility: 30mm
Fits:

• SRAM cranksets with 30mm spindle
• Rotor 3D+, 3D30, Aldhu, etc.

BSA-DUB

Axle Compatibility: 28.99mm
Fits:

• SRAM DUB cranksets
• ZRACE cranksets

Maintenance:

• Clean bearings every 1,000–3,000 km (wet) or 5,000 km (dry)
• No frame removal required for cleaning
• Professional servicing recommended for bearing rebuilds