The Token BB4129SR Road Bottom Bracket is engineered for performance-driven riders seeking optimal power transfer and durability. Designed for press-fit frames with a 41mm inner diameter and 86.5mm shell width, this bottom bracket allows you to use SRAM DUB 29mm spindle cranksets in modern road bikes. Crafted with precision CNC-machined alloy cups and featuring Tokens premium ceramic TBT bearings, it ensures smooth, low-friction performance on every ride.Built for both speed and longevity, the BB4129SR includes dual rubber seals and Token's patented X-Seals to keep contaminants out and lubrication in. The high-quality construction minimizes energy loss and maximizes efficiency, making it a reliable choice for racing or long-distance endurance rides. Its clean black anodized finish adds a professional touch to your drivetrain setup.Features- Compatible with 86.5mm press-fit frames and 29mm DUB crank spindles- CNC-machined alloy cups for lightweight strength- Premium ceramic TBT bearings for reduced rolling resistance- Dual-layer X-Seals for superior weather and dust protection- Black anodized finish for corrosion resistance and sleek aesthetics

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