The Chain Keeper is a guide to keep your chain right where it belongs. Mounted in place of a front derailleur, the Chain Keeper works with single chain ring drivetrains using a narrow chain. The chain block surrounds the chain as it meets the chain ring and prevents it from skipping off.

Technical Information

• Material: 6061 Aluminum
• Weight: 69g
• Finish: Anodized
• Clamp Size: 28.6mm, 31.8mm, or 35.0mm ↓
• Chainline Range: 34-55mm
• Instructions: Download