The innovative Specialized Top Cap Chain Tool is the only top cap system which doubles up as an emergency chain tool for when you need it the most.
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)
Carbon version includes expander plug for your carbon steerer