The Sturmey Archer Cable Guide Pulley is a vintage 1960-70s component designed for 1 1/8" diameter tubes. Made of steel and nylon, this silver pulley is compatible with various bike models and types. This rear-positioned pulley is a durable and reliable option for maintaining your cycling gear, weighing 10 grams and originating from the United Kingdom. Ideal for those looking to restore or upgrade their vintage bicycle with a high-quality, authentic component.