Stone Pulley POM Wheels (13T + 17T)

Replacement derailleur pulley wheels constructed from durable Polyoxymethylene (POM) material for smooth, quiet drivetrain operation. Hollow and solid‑body variants available.

Key Features • Constructed from Polyoxymethylene (POM) • Fitted with sealed 689RS bearings • Two build options: hollow or solid‑body pulleys

Specifications • Compatible with 8, 9, 10, 11, 12‑speed chains • Not compatible with SRAM 12‑speed AXS Flattop chains

Approximate weights: • Hollow set: 13T (10.5 g), 17T (14 g) • Solid set: 13T (12 g), 17T (19 g)

Package Contents • 1 × 13T pulley wheel • 1 × 17T pulley wheel