TOKEN's NINJA bottom bracket BB3724 is engineered specifically for TREK BB90/BB95 frames and Shimano cranks, offering a revolutionary solution to common press fit bottom bracket issues. The innovative Fusion technology combines plastic and fiber around an alloy shell, ensuring a precise, noise-free fit that eliminates unwanted creaking. This premium bearing system features an extended alloy shell design where right and left sides lock together, creating exceptional stiffness by unifying the frame, cranks, and bottom bracket. Weighing just 67 grams per set, this black bottom bracket delivers superior performance through its unique three-material construction. The design provides solid bearing support, extending component life while maintaining optimal power transfer. Compatible with TREK BB90/BB95 frames (diameter 37x90.5/95.5) and Shimano cranks (diameter 24), this bottom bracket represents a significant upgrade for serious cyclists looking to enhance their riding experience.