Bike Bottom Bracket For BB30 Frame Standards With 68/73mm Shell Width And For 30mm Crankshaft Support For Smooth Pedaling Performance

Features:*Press-fit Type: Compatible with length 68/73mm and inner diameter 42mm bike frame for easy installation.*30mm Inner Diameter: The bottom bracket is suitable for 30mm diameter crank shaft core.*4 Sealed Bearings: Equipped with stainless steel sealed bearings for long-lasting performance. *Lightweight Design: Made of CNC aluminium alloy, and weighs about 110g.**It adopts a middle threaded locking design, which is more adaptable to the tolerances of various frames than the traditional press fit bottom bracketSpecifications:*Product Name:Press-fit Hollow Bottom Bracket *Material:Aluminum alloy, stainless steel bearing*Color:Black*Size:Outer diameter 42mm, inner diameter 30mmPackage Content:1* Press-fit Hollow Bottom Bracket

• PACKAGE CONTENTS: 1 Press Fit Hollow Bottom Bracket for 68/73mm frames, 42mm outer diameter, compatible with crank shaft core applications and intended for use with standard BB press tools.
• MEASURE BEFORE PURCHASE: insure your frame shell is 68mm or 73mm and 42mm ID; CHECK YOUR FRAME MEASUREMENTS, NOT AMAZON'S SIZE CHART to avoid mismatch.
• RELIABLE SEALED BEARINGS: Four stainless steel sealed bearings deliver dependable, smooth rotation and help minimize maintenance needs under varied riding conditions.
• PRECISION CNC ALLOY: Constructed from CNC aluminum alloy in a hollow format, approximately 110g, providing a balance of low weight and torsional stiffness for responsive pedaling.
• FRAME-FRIENDLY LOCKING: The middle threaded locking design adapts to frame tolerances more effectively than older press-fit designs, reducing the chance of creaks and improving longevity for road, and mountain bikes.