Chain Wear Indicator Tool

SPECIFICATIONS

Precision measurement for optimal drivetrain performance.

Key Features:

• Aircraft-Grade Construction - CNC-machined 6061 aluminum body with steel measurement pins

• Anodized Finish - Resists shop wear and chemical corrosion

• 0.5% Accuracy - Detects 0.75-1.0% chain stretch with clear visual indicators

• 98g Ultralight - Fits in mechanic's apron or saddle bag

Technical Specs:
• Measurement Range: Covers 9/10/11/12-speed chains
• Pin Material: Hardened tool steel
• Surface Treatment: Type III hard anodization

Built For:
• Workshop mechanics doing fleet maintenance
• Competitive cyclists monitoring drivetrain wear
• Ebike owners preserving expensive cassettes

Usage Protocol:

1. Insert tool into chain at 3 locations

2. Check pin alignment against marked thresholds

3. Replace chain if tool drops through

Professional Note: Test every 500km for road bikes, 300km for MTBs