With our Top Cap Chain tool, you’ll never go on a ride without a chain tool again. This SWAT™ technology top cap doubles as an emergency chain tool that’s completely hidden and easily accessible. It’s compatible with modern and older style chains, and if you didn’t know it was there, you’d never even notice it. Don’t be left stranded.Feature Bullets

Works with any 1-1/8-inch steerer tube with 32mm of available depth.
Adds only 25 grams over a traditional compression cap.
Compatible with 8-, 9-, 10-, and 11-speed chains.
Holds quick links (not included).
Alloy version includes tool to properly set your star nut (star nut not included).
Carbon version includes expander plug for your carbon steerer.