THM T47-30 External Bottom Bracket

The THM T47-30 External Bottom Bracket is crafted for riders who demand unmatched precision, durability, and smooth performance. Designed to work with 30mm spindle cranksets, it provides a perfect interface between frame and crank to maximize power transfer and efficiency.

Using high-quality bearings and lightweight alloy cups, this bottom bracket delivers long-lasting reliability while maintaining THM’s hallmark focus on weight savings. The T47 threaded standard ensures a secure fit, eliminating creaks and providing stability under the hardest efforts.

T47-30 External Bottom Bracket Specs at a Glance

• Type: T47 threaded bottom bracket.
• Spindle compatibility: Designed for 30mm spindle cranksets.
• Bearings: Premium-grade bearings for smooth, efficient rotation.
• Cups: Lightweight alloy external cups for strength and low weight.
• Fit: Secure, creak-free installation with T47 frames.
• Use: Optimized for road, gravel, and performance-oriented builds.

Design Benefits

1. Smooth efficiency: Premium bearings minimize friction for better power transfer.
2. Lightweight build: Alloy construction saves weight without sacrificing strength.
3. Secure fit: T47 threading ensures a stable, creak-free connection.
4. Wide compatibility: Works seamlessly with modern 30mm spindle cranksets.
5. Durability: Built to withstand the demands of performance cycling.

Final Take

The THM T47-30 External Bottom Bracket combines precision engineering, smooth performance, and lightweight durability. Ideal for riders building a high-performance setup, it delivers reliability and efficiency with every pedal stroke.