Blackbearing introduces its 41-86/92-30 B5 Bottom Bracket Bearings, designed to meet the demands of high-performance cycling. Built to withstand even the most extreme conditions, this bottom bracket delivers exceptional durability and smoothness on both road and mountain terrains.

Innovative BBlock Technology for Precision Alignment: Featuring Blackbearing’s unique BBlock technology, this bottom bracket is crafted in two threadable parts, ensuring precise alignment during installation. This advanced design not only enhances overall efficiency but also minimizes the risk of cracks, offering increased bearing protection and a longer lifespan.

CNC Machined Aluminum for Lightweight Strength: Constructed from CNC machined aluminum, the 41-86/92-30 B5 bearings combine lightweight durability with optimal strength. This construction is resistant to the harsh demands of rigorous rides, delivering consistent, high-level performance.

Available in B5, B5 Stainless, and Ceramic Options: Customize your setup with options in Blackbearing B5, B5 stainless, and ceramic bearings to match your performance and durability needs. Each variation is crafted with premium materials and high-quality grease for reduced friction and long-lasting smoothness.

Designed for versatility, these bottom bracket bearings are suitable for both road and mountain biking, providing dependable performance across varied terrains.

Features

• Innovative BBlock Technology: Threaded in two parts for precision alignment, minimizing crack risks and protecting bearings for a longer lifespan.
• CNC Machined Aluminum Construction: Combines lightweight strength with durability, designed to withstand the demands of rigorous road and mountain biking.
• Bearing Options for Customization: Choose from Blackbearing B5, B5 stainless, or ceramic bearings, all featuring high-quality grease for reduced friction and consistent smoothness.
• Road and MTB Compatible: Engineered to deliver dependable performance on both smooth roads and rugged trails, adapting to varied terrain with ease.

Specifications

• External Diameter: 41 mm
• BB Frame Width: 86/92 mm
• Spindle Diameter: 30 mm
• Bearings: B5
• Frame: Press Fit 41 mm
• Axle: 30 mm