YST Threadless Cartridge Bottom Bracket Set JIS Square Taper 68 x 122mm

YST BB-993 Threadless Cartridge Bottom Bracket - Perfect Solution for Damaged or Stripped Threads in Bicycle Frames

Looking for a reliable fix for bicycles with square-taper cranksets and damaged or stripped threads in the bottom bracket? The YST BB-993 Threadless Cartridge Bottom Bracket offers a high-quality, patented solution designed to fit securely without relying on frame threads.

✅ Patented Design: The innovative threadless cartridge system threads into itself, with bevelled steel cups providing a snug and secure fit.
✅ Durable Construction: Made from robust steel cups, body, and axle with sealed bearings for long-lasting performance and smooth operation.
✅ Universal Compatibility: Fits 68mm English type bottom bracket frames with a standard diameter of 1.37 inches (34.92mm).
✅ Precision Fit: Designed for frames with a shell width of 68mm.
✅ Easy Installation: Tighten the bottom bracket to a torque of 400kgf-cm to 500kgf-cm (40-50Nm) for optimal performance.

Upgrade your bike’s bottom bracket system with the YST BB-993 Threadless Cartridge Unit—the perfect choice for repairs or replacements where traditional threading has failed.