- Fits chainring lockrings of Specialized®, Cannondale® and FSA® modular cranks
- For lockrings with 47–48 mm outside diameter and 4 or 8 notches
- Fits both 4 notch (FSA® and Cannondale®) and 8 notch (Specialized®) lockrings
- Constructed of 4140 heat treated steel and plated for long life
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