Freewheel Atom 5 speed

Atom freewheel 5-speed with Maillard sprockets: an icon of vintage bike transmission

In the world of vintage road bikes, some components instantly evoke the golden age of cycling. The Atom freewheel 5-speed equipped with Maillard sprockets is one of these iconic parts, highly sought after by restoration enthusiasts and fans of authentic vintage bike transmissions.

An Atom freewheel: reliability and mechanical simplicity

Atom freewheels were known for their robust construction and distinctive clicking sound, beloved by cycling purists. Designed for steel frames from the 1970s and 1980s, it screws directly onto the hub and operates with a threaded body, unlike modern cassettes that use a splined freehub body.

• Type: 5-speed threaded freewheel

• Compatible spacing: 120 mm to 126 mm, depending on vintage racing frames

• Threading: French standard or BSC, depending on the version

• Use: Vintage road bike or touring bike transmission

Maillard sprockets: precise engagement for smooth pedaling

This specific model comes with Maillard sprockets, renowned for their clean machining and efficient tooth profile, ensuring smooth chain engagement even under load. These steel sprockets provide long-lasting durability, perfect for riders seeking a reliable, authentic transmission.

• Number of teeth: commonly 14-16-18-20-22 or similar

• Chain compatibility: 5/6-speed standard chain

• Finish: chrome-plated or raw steel depending on the series

• Internal ratchet system: crisp, audible engagement typical of vintage freewheels

The soul of a vintage road bike transmission

Pairing an Atom freewheel with Maillard sprockets brings back the feel of friction-era gear changes, when a Simplex or Huret derailleur responded directly to hand-operated levers on the frame. Each shift requires precision, offering the direct mechanical feedback that vintage cycling enthusiasts cherish.

This setup is ideal for:

• Faithful restoration of a classic French racing bike

• Traditional build with short-cage derailleur

• Smooth and durable transmission on a collector’s vintage bike

• Authenticity seekers, enjoying the characteristic sound of a freewheel

A coveted choice for collectors

Today, an Atom freewheel with Maillard sprockets is a highly sought-after item on the vintage market. Collectors particularly appreciate:

• Retro transmission aesthetics

• Compatibility with original hubs

• The unique clicking sound of the Atom freewheel

• Natural patina of Maillard steel sprockets

Conclusion

Choosing an Atom 5-speed freewheel with Maillard sprockets is a way to preserve the spirit of vintage road bikes, with a purely mechanical transmission, no indexing, and no electronic assistance. It’s an iconic component that brings an old frame back to life, letting riders experience the pleasure of pedaling the classic way, where every lever click tells a story from cycling history.