Insight Bottom Bracket Euro 68-73mm

Product Overview

The Insight Bottom Bracket Euro is a sealed bearing bottom bracket designed for BMX bikes with 68-73mm wide bottom bracket shells and 24mm spindles. Built with sealed bearings and a compact 34.5mm outside diameter, it provides reliable crank rotation with minimal maintenance. The sealed design keeps dirt and moisture out while maintaining smooth, responsive pedal feel.

Key Features

• Sealed bearing design – Integrated seals protect internal bearings from dirt, moisture, and contamination during outdoor riding, extending service life and reducing maintenance
• Euro standard sizing – Compatible with 68-73mm bottom bracket shell width, the most common sizing on modern BMX and cruiser frames
• 24mm spindle diameter – Standard BMX crank spindle size ensures compatibility with most three-piece crank systems
• Compact 34.5mm outside diameter – Optimized external profile minimizes interference with frame and chainring clearance
• Smooth bearing operation – Precision bearings deliver responsive power transfer with minimal drag during pedaling
• Durable sealed construction – Protected bearing internals resist wear and maintain consistent performance over extended use
• Lightweight at 98g – Minimal weight addition to your drivetrain setup

Technical Specifications

• Bottom bracket type: Euro standard
• Shell width compatibility: 68-73mm
• Spindle diameter: 24mm
• Outside diameter: 34.5mm
• Bearing type: Sealed
• Weight: 98g
• Material: Steel cups with sealed bearing cartridges

Compatibility & Ideal Use Cases

This bottom bracket fits any BMX or cruiser bike with a 68-73mm Euro-standard bottom bracket shell and three-piece cranks with 24mm spindles. It's ideal for riders seeking reliable, low-maintenance bottom bracket performance with sealed bearing protection. The compact design suits frames with tight chainring clearance. Compatible with all standard 24mm spindle cranks from major BMX manufacturers. Not compatible with bottom bracket shells larger than 73mm or smaller than 68mm, or single-speed hubs with different spindle diameters.