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The BSD Substance Mid Innenlager is a robust Mid bottom bracket designed for the demands of BMX street, park, and dirt riding. Built to work seamlessly with compatible BMX cranksets, it provides a smooth, reliable interface between your cranks and frame. High‑quality bearings help reduce friction and keep your drivetrain spinning freely, even under heavy landings and repeated impacts. The Mid standard is widely used on modern BMX frames, making this bottom bracket a great choice whether you are building a new bike or refreshing a well‑ridden setup.
With durable cups and hardware, the BSD Substance Mid Innenlager is made to withstand the abuse of grinds, spins, and big drops. It is typically straightforward to install with standard BMX tools, allowing riders or mechanics to quickly swap out worn bearings and restore crisp performance. By upgrading or replacing your bottom bracket with a reliable Mid unit like this, you can eliminate annoying creaks, improve pedaling efficiency, and enjoy a more solid, responsive feel every time you ride.
