Single Speed Bike Freewheel 18T 22T Threaded Freehub Replacement For 410 Chain, Ride Ready Iron Steel Build, 34mm By 1.375mm Thread Size, 77mm Outer Diameter, Compatible With Tricycles And Classic Fixie Builds

Single Speed Freewheel 18T: 34mm x 1.375mm threaded fit
✔️ 18 teeth single speed freewheel, iron steel, 34x1.375mm, 77mm OD

This is a single-unit, 18-tooth threaded freewheel built for 410 chain setups, commonly used on single-speed bikes, fixies, and tricycles. It offers a durable iron steel construction for reliable rotation.

✅ 18T single-speed freewheel for 410 chain compatibility
✅ Iron steel body for rugged durability
✅ Thread size 34mm x 1.375mm with inner diameter 34mm
✅ Outer diameter 77mm to fit classic fixie setups

💡 What is a threaded single-speed freewheel used for in a bike drivetrain?

This handy piece keeps a simple drivetrain running smoothly on retro builds. - Fits 410 chain with 34mm x 1.375mm thread - 18T gives solid cruising speed while maintaining quick acceleration - Ideal for single-speed bikes, fixies, and some tricycles - Iron steel construction for durability