Box Three Disc Brake Rotor — 120mm, Silver

Overview

The Box Three is a 120mm stainless steel disc brake rotor engineered specifically for BMX racing. The compact 120mm diameter provides optimal braking performance for BMX applications while the rounded outer edges minimize injury risk during falls or crashes. The rotor includes high-quality locking T-25 bolts for secure mounting.

Key Features

• 120mm diameter — Optimized size for BMX race bikes; balances braking power with lightweight design and minimal frame interference
• Rounded outside edges — Safety-oriented design reduces sharp edges that can cause injury during crashes or trick attempts
• Lightweight cutouts — Strategic weight reduction maintains structural integrity while reducing rotational mass
• Stainless steel construction — Resists corrosion from water and salt exposure; maintains consistent braking performance
• ISO 6-bolt standard — Universal mounting interface compatible with standard disc brake hubs and calipers
• Locking T-25 bolts included — High-quality steel fasteners with locking feature prevent rotor movement during braking

Technical Specifications

• Rotor diameter: 120mm
• Material: Stainless steel
• Mounting: ISO 6-bolt standard
• Edge design: Rounded for safety
• Construction: Lightweight cutouts
• Bolts: T-25 locking steel (included)
• Color: Silver
• Finish: Polished stainless steel

Compatibility & Ideal Use Cases

• Brake system: ISO 6-bolt disc brake systems
• Hub compatibility: Any hub with standard ISO 6-bolt rotor interface
• Best for: BMX racers; competitive racing applications
• Ideal use: BMX race bikes; high-performance braking in racing conditions
• Application: Racing-specific brake setup