Feature 1Fitment: It is replacement for Suntour or replacement for Simplex derailleurs that use 6mm, outside diameter, jockey wheel bolts. 2Premium Material: The pulley conversion kit is made of steel material, which is durable and stable, and can be used for a long time. 3Detailed Features: A new set of replacement rear puller guide wheels or pulleys. Fit your vintage replacement for Suntour. 4Fine Workmanship: Professional manufactured, exquisite workmanship with unique design, ensure stable performance and high reliability. 5Easy Installation: Easy to install without complicated tools or drilling, no modification is required, convenient for using, save your efforts.Item Type: Wheel Pulley Conversion KitMaterial: ABS, SteelDescription: A new set of replacement rear puller guide wheels/pulleys, Fit your vintage replacement forSuntour (replacement forHonor, replacement for Seven (7), replacement for GT's, replacement for ARX, replacement for AR, replacement for Vgt and most other replacement forSuntour chain pickers as well as French-made replacement forSimplex Prestige, replacement for SX and replacement for LJ 5, replacement for PX 10 and replacement for OS, rear dermalleurFitment:Replacement forSuntour or replacement forSimplex derailleurs that use 6 mm, outside diameter, replacement forjockey wheel bolts. .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List2 x Guide Wheel2 x Steel Wheel4 x Wheel Cover