THM BSA Threaded Road Hybrid Ceramic Bottom Bracket

The THM BSA Threaded Road Hybrid Ceramic Bottom Bracket is a precision-engineered component designed to maximize drivetrain efficiency and smoothness. Built to pair perfectly with THM’s lightweight cranksets and other high-performance road systems, it offers unmatched stiffness, low friction, and exceptional bearing longevity.

Manufactured to exacting German standards, this bottom bracket uses hybrid ceramic bearings housed within a robust threaded BSA shell. The design minimizes resistance under load, enhancing pedaling efficiency while ensuring long-term reliability in all riding conditions.

THM BSA Threaded Road Hybrid Ceramic Bottom Bracket – Specs at a Glance

• Shell Type: BSA (English-threaded, 68 mm width)
• Bearing Type: Hybrid ceramic – steel races with ceramic balls
• Crank Compatibility: Designed for 30 mm spindle cranksets
• Material: CNC-machined aluminum cups with precision-sealed bearings
• Weight: Approximately 78 g
• Thread Direction: Standard BSA – right-hand (non-drive), left-hand (drive side)
• Finish: Black anodized with laser-etched THM graphics

Design Benefits

1. Exceptional efficiency: Hybrid ceramic bearings reduce friction for smoother pedaling and improved power transfer.
2. Durable precision: High-grade materials resist corrosion and wear, even under heavy loads.
3. Secure installation: Threaded BSA interface ensures creak-free, reliable performance.
4. Engineered stiffness: Rigid construction supports efficient energy transfer from crank to drivetrain.
5. THM integration: Designed to match the tolerances and standards of THM cranksets for perfect alignment and longevity.

Final Take

The THM BSA Threaded Road Hybrid Ceramic Bottom Bracket is a premium choice for cyclists seeking world-class drivetrain smoothness and reliability. Combining lightweight design, precise engineering, and ceramic performance, it’s built to deliver lasting speed and efficiency in the most demanding conditions.