Pushing the limits of modification, this ultra-lightweight BSA24-ISIS bottom bracket is a pinnacle of craftsmanship designed for hardcore lightweight riders and racers. We've found the perfect balance between extreme lightweight and robust rigidity. Constructed from stainless steel, it boasts unparalleled corrosion resistance and wear resistance, withstanding all-weather tests of wind, rain, mud, and sweat. At its core, it incorporates stainless steel angular contact bearings, perfectly distributing radial and lateral pedaling impacts. Whether it's a high-intensity climb or a high-speed sprint before the finish line, it ensures silky-smooth operation, never wasting a single watt of power. Structurally, this product features a 20T internal locking design, significantly increasing the tool contact area and ensuring extremely even locking force, completely eliminating the nightmare of stripped threads common in traditional bottom bracket modifications. Combined with a revolutionary quick-release mechanism, the previously cumbersome disassembly and maintenance process becomes effortless, drastically reducing preparation time. Precisely compatible with ISIS international standard cranks and the BSA24 bottom bracket system, it's a direct fit without modifications. This is not just a central axis; it's the ultimate core for upgrading your car and pushing the limits of your driving experience. Weight reduction directly leads to top performance, allowing you to ride the wind with ease!
Shell DIA: 34mm
Shell Width: 68-73mm
Item No. Spindle Bearing Weight
BSA24ALS 24mm Cartridge 58g
BSA24ALC 24mm Ceramic 57g
Accessories: 2ps x 1mm & 5mm spindle spacers(24mm ID). 3ps x 2.5mm, 2ps x 1mm, 2ps x 0.5mm, 2ps x 0.3mm cup spacers.
