Beringer Junior 2 Crankset

Beringer Junior 2 Crankset

Product Overview

The Beringer Junior 2 is a CNC-machined 6082 aluminum crankset with integrated 24mm steel spindle designed for junior BMX racing. Available in 155mm, 160mm, and 165mm lengths, it features 104 BCD 4-bolt compatibility, optimized Q-factor (154mm), and precision chain line geometry.

Key Features

• CNC Machined 6082 Aluminum – Precision-cut aerospace-grade aluminum provides strength and durability with minimal weight
• Integrated Steel Spindle – 24mm steel spindle offers superior strength and precision fit compared to aluminum alternatives
• Color Anodized Finish – Black protective coating resists corrosion and provides professional aesthetics
• Laser-Engraved Branding – Durable branding without added weight
• 104 BCD 4-Bolt Pattern – Compatible with standard BMX chainrings; enables straightforward gear changes
• Optimized Q-Factor – 154mm Q-factor (crank spacing) provides ergonomic pedaling position for efficient power transfer
• Precision Chain Line – 42.5–43.5mm chain line geometry ensures optimal drivetrain alignment and cog compatibility
• Multiple Crank Lengths – Available in 155mm, 160mm, and 165mm to accommodate different junior rider heights
• Lightweight Construction – Optimized weights (585–615g range) ideal for racing-focused youth builds
• Professional Racing Design – Engineered specifically for competitive BMX racing applications

Technical Specifications

• Material: CNC machined 6082 aluminum with integrated 24mm steel spindle
• BCD: 104mm
• Bolt pattern: 4-bolt
• Spindle diameter: 24mm (steel)
• Crank length options: 155mm (585g), 160mm (600g), 165mm (615g)
• Q-factor: 154mm
• Chain line: 42.5–43.5mm
• Finish: Black color anodizing with laser engraving
• Bottom bracket: Not included

Included Components

• Left crank with M6 screws and support ring
• Right crank with assembled spindle, support ring, and aluminum adjustment screw
• Aluminum spacers for bottom bracket position adjustment

Compatibility & Ideal Use Cases

• Junior BMX racing – Purpose-built for junior competitive racing and training
• 104 BCD chainrings – Compatible with standard 104mm BCD 4-bolt chainrings
• Press-fit or threaded bottom brackets – Aluminum spacers allow adjustment for different BB types (BB not included)
• Crank length selection – Choose based on rider height: 155mm (younger/smaller), 160mm (standard junior), 165mm (taller junior)
• Racing-focused builds – Lightweight construction and precision geometry ideal for competition
• Junior and youth riders – Designed for smaller frames and younger BMX racers

Build Requirements & Compatibility

• Bottom bracket required – Purchase separately based on your frame's BB shell size and type; spacers included for adjustment
• 104 BCD chainring – Select 104mm BCD 4-bolt chainring to match your gearing needs (sold separately)
• Pedals and crank bolts – M6 screws included for left crank; use standard BMX crank bolts for pedal attachment
• Chain line verification – Adjust aluminum spacers to achieve 42.5–43.5mm chain line for optimal drivetrain performance

Important Notes

• Bottom bracket not included; purchase based on your frame's BB shell specification
• Crank length selection critical for proper ergonomics; verify rider height and preference before ordering
• 24mm steel spindle provides superior precision compared to aluminum alternatives
• Q-factor 154mm optimized for junior rider positioning and pedaling efficiency
• Chain line 42.5–43.5mm requires spacer adjustment for precise alignment with cogs
• CNC machining and integrated spindle represent professional-grade junior racing component
• Laser engraving adds durability without weight penalty
• Dedicated for BMX racing competition; not recommended for casual or heavy abuse applications