Cema Bb89 Interlock Stainless Steel Shimano Bottom Bracket Cups

Upgrade your ride and eliminate frustrating noise with the CEMA BB89 Interlock Stainless Steel Shimano Bottom Bracket Cups. This premium component is the definitive solution for cyclists seeking a silent, durable, and high-performance upgrade for their press-fit bottom bracket system. Engineered with precision for both demanding mountain bike trails and high-speed road cycling, it delivers unparalleled reliability and efficiency where it matters most.The core innovation of this bottom bracket is its revolutionary Interlock design. Standard press-fit systems can be prone to creaking as the cups shift independently under pedaling force. The CEMA Interlock system brilliantly solves this by having the two cups thread securely into each other within the frame´s bottom bracket shell. This creates a single, rigid unit that prevents any micromovement, guaranteeing a completely silent and stable foundation for your crankset. This design not only silences your ride but also ensures perfect bearing alignment, which significantly reduces friction, improves power transfer, and extends the lifespan of the bearings.Featuring high-quality stainless steel bearings, this bottom bracket is built to endure the toughest conditions. Stainless steel offers exceptional resistance to corrosion and wear, making it the ideal choice for riders who frequently encounter rain, mud, and grit. You can count on a consistently silky-smooth pedal stroke and unwavering performance, season after season. The precision manufacturing of both the cups and the bearings ensures minimal energy loss, so more of your power is transferred directly to the road or trail.This product is a set of bottom bracket cups designed for use with Shimano bike components.Specifically, they are BB89 Interlock Stainless Steel Bottom Bracket Cups, which means they are compatible with frames that have a BB89 bottom bracket shell.These cups are made from durable stainless steel and feature an interlocking design for added stability and security.They are an essential component for any serious cyclist looking to upgrade or maintain their bike´s bottom bracket system.Whether you are a competitive racer looking for a performance edge, a dedicated enthusiast seeking a reliable and long-lasting upgrade, or a mechanic wanting to provide your customers with a definitive fix for press-fit issues, the CEMA BB89 Interlock bottom bracket is the ultimate choice. Experience the difference that superior engineering makes and enjoy a quieter, smoother, and more efficient ride. AttributesMTB Cycling, Road Cycling Technical Specifications* Frame Compatibility: Press-Fit BB89 (89.5mm width) & BB92 (92mm width)* Shell Inner Diameter: 41mm* Crankset Compatibility: Shimano Hollowtech II (24mm spindle diameter)* Bearing Type: Stainless Steel* Design: Interlock Thread-Together System* Cup Material: Stainless Steel