A- Suit Frame Bb Mount
StyleA- Suit Frame Bb Mount
Special Features
- Suit for narrow-wide 30~40T chainring(round chainring), 30~38T chainring(oval chainring), Adjustable design
- Extremely easy to install and adjust using a single 4mm Hex tool, without removing your cranks.
- Never drop a chain ever again and double your narrow wide chain ring life.
- Support specification: ISCG 03
- High-strength material, wear and resistance to deformation
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