Rad 4-Piece White Ball Bearing Guide Pulley Roller Set. Sweet Smooth Engineering Plastic Wheels With Boss Fit 0.31-Inch Bore. High-Performance Z-Rod Style Pulleys For Easy Wrench Install And Epic Gear Mod Improvements.

Durable white pulley rollers for reliable z rod upgrades
✔️ 8x30x8.5 mm plastic wheels with 0.31 inch boss fit ready

This four piece set gets you smooth rolling action for your custom builds. You can snap these guide pulleys right onto your machine frames. They run best when feeding cables through sharp turns.

✅ Heavy duty engineering plastic holds up through daily rough use
✅ Flat riding face glides silent while cutting down startup friction
✅ Exact 8 x 30 x 8.5 mm center hole fits 0.31 inch boss mounts perfectly
✅ Clean rounded lips stop cable fraying during fast directional changes

💡 Why pick low friction pulley rollers for tight cable routing jobs?
You score handy upgrades that shave drag right off the turning parts.
- Precision spun cores lock tension steady across tricky bends
- Solid plastic cages quit chatter during quick shift cycles
- Neat alignment guides track wires straight through busy panels

✝️