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Token Ninja BB4129SR BB86 / BB89.5 / BB92 Bottom Bracket

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In-stock items ordered before 2pm are dispatched the same day. Free delivery over £50.
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About Token

Token

A reputable Road & MTB aftermarket parts specialist. Everything Token produce is crafted using the highest quality materials available and then tested to extremes to ensure that once installed, you instantly notice the difference in performance.

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Details

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