Aluminum Alloy Material: The external frame is made of aluminum alloy material and employs CNC technology, ensuring a lightweight design while providing unparalleled structural strength.
Sealed Bearings: The waterproof sealed dual ceramic bearing design enhances sealing performance significantly, greatly extending the service life of the bottom bracket. This reduces maintenance frequency and noise, offering a comfortable and convenient riding experience.
Lightweight Design: The product weighs approximately 109g, featuring a simple and elegant appearance. It adopts a threaded installation method, and the threads are treated with anti-loosening glue. Additionally, three fine-tuning washers are included for customer convenience.
Compatibility: Suitable for crankshafts with an outer diameter of 24mm, frame bottom brackets with 68/73mm shell width, and mountain, road, folding, and commuting bicycles with BC1.37 inch*24T L/R threads.
Warranty: 30 days satisfaction or money-back guarantee. We are confident in the quality of our products. If you have any questions, we will provide professional guidance to assist you. BOLANY is committed to offering high-quality bicycle components to enhance riding performance and improve the overall cycling experience.