Sealed Cartridge Bearings : Guarantee effortless spinning, reducing maintenance and prolonging the lifespan of your bottom bracket. Precision Machined Threads : Offer precise alignment, ensuring your crankset stays secure and performs optimally. High Strength Aluminum Alloy : Ensures the bottom bracket is strong yet lightweight, perfect for high-performance bicycles. CNC Process : Leads to meticulous craftsmanship, guaranteeing a snug fit and smooth operation. Integral Sealed Steel Bearing : Delivers exceptional waterproofing and dust protection, ideal for all-weather cycling. Revolutionize your biking experience with our oversized spindle bottom bracket. Engineered for efficiency and compatibility, it offers a harmonious blend of strength and agility, making it the perfect choice for cyclists seeking both performance and reliability.