Keep it simple and reliable with the Shimano Nexus SG-3R40 3-Speed Internal Hub, designed for smooth shifting and everyday durability. This hub is perfect for city or commuter bikes, offering three internally sealed gears that reduce maintenance and protect against dirt and weather.

Compatible with roller brakes, it features a 36-hole design for sturdy wheel builds and is sized for a 120mm rear dropout with a 170mm axle length. Designed to fit a rod length of 81.85mm, it also comes with a DX corrosion-resistant coating, making it ideal for year-round riding, even in wet or salty environments.

Features:

• Shimano Nexus SG-3R40 3-Speed Internal Gear Hub

• Roller brake compatible (brake not included)

• 36 spoke holes for strong and stable wheel builds

• Fits 120mm rear dropout with 170mm axle

• For 81.85mm rod length

• DX anti-corrosion coating for long-lasting durability

• Color: Silver

• Does not include wheel build, shifter or rim. 
  

A dependable choice for utility bikes, commuter builds, or anyone who values low-maintenance performance and classic simplicity.