The Promax HB-M1 Mini Hub Set is a high-performance, lightweight hubset designed specifically for junior BMX race bike wheel builds. Here’s everything you need to know about this premium hubset:

Key Specifications & Features

• Premium Shell Design:
  The hub shells are cold-forged from 6061-T6 aluminum alloy, ensuring an optimized strength-to-weight ratio.
• Reliable Internals:
  Equipped with fully sealed precision cartridge bearings for a smooth, low-friction roll.
• Fast Engagement:
  Features a responsive 4-pawl cassette driver body for swift forward engagement with minimal drag.
• Drivetrain Compatibility:
  Utilizes a durable chromoly Shimano-compatible HG mini cassette driver body, allowing for easy chainline adjustments.
• Axle Configuration:
  Built with a lightweight skewer-style front axle and strong 3/8" (10mm) chromoly rear axle bolts.
• Hole Count & Finish:
  Designed with a 28-hole drilling layout and finished in sleek, anodized black with clean laser-etched Promax logos.
• Total Set Weight:
  Weighs approximately 524 grams, including the axles and installation hardware.

Included in the Box

• Front mini hub
• Rear mini cassette hub
• One 10mm cassette spacer
• Matching cassette lock ring

This hubset combines premium materials, precision engineering, and thoughtful design to deliver a reliable, high-performance solution for BMX racers.