Designed for compatibility with Sturmey Archer's CSIRW.20F model hubs, this high-performance cog combines advanced engineering with classic style to elevate your bike's drivetrain.
Details:
* Durable 3-spline steel construction ensures reliable power transfer and long-lasting performance when paired with Sturmey Archer 5-speed internal gear hubs.
* Optimized for 1/8" chains with a 20-tooth design, this flat or dished cog provides precise gear ratios for smooth riding and easy tuning of your chainline.
* Chrome plating enhances corrosion resistance and aesthetic appeal, making this cog perfect for commuters, urban cyclists, and touring bikes in all weather conditions.
* Innovative flat or dished profile offers versatile installation options, allowing for custom chainline adjustments to improve bike handling and efficiency.
