Token Ninja BB4129SR BB86 / BB89.5 / BB92 Bottom Bracket
| Brand | Token |
|---|---|
| Colour | Black |
The BB4129SR is a lightweight and durable press fit bottom bracket designed for BB86 / BB89.5 / BB92 frames (Diameter 41mm) and SRAM DUB cranksets (28.99mm spindle). It features Premium bearings, a waterproof plastic centre sleeve, and Token’s patented Fusion Construction to reduce creaking and improve frame fit.
Enhanced with X-Seal technology, this bottom bracket offers excellent protection against water and dirt while maintaining low friction. At just 68 grams, it’s a reliable upgrade for riders seeking smooth, quiet, and long-lasting performance.
Technology
Premium Bearings
Premium Bearings are Token's high carbon steel bearings.
X-Seal
Token’s X-Seal technology keeps bearings protected from dirt and water, with very little friction for a free-spinning bearing.
Specification
- Type: Press Fit
- Frame Type: BB86 / BB89.5 / BB92 (Dia. 41mm x 86.5 / 89.5 / 92)
- Crank Type: SRAM DUB (Dia. 28.99)
- Bearing Type: Premium
- Colours: Black
- Weight: 68g (Set)
- Product Code: BB4129SR
- Bearing Size: Dia. 41mm x 29mm x H18mm
