Description
Notes from MyBikeThing This is Shimano’s versatile adapter clamp that converts braze-on front derailleurs to band-mount configuration.
Condition Clean, fully functional clamp with normal surface wear from installation.
Workshop Wisdom Converting your frame to use braze-on style derailleurs is one of the best long-term investments you can make in your bike. No more readjusting clamp position during maintenance, cleaning, or upgrades – the mounting point stays perfect every time.
Tech Specs
- 31.8mm clamp diameter (13/8″)
- Compatible with Shimano braze-on front derailleurs
- Forged aluminum construction
- Includes mounting bolt
- Made in Japan
- Weight: 28g
Value Assessment
- Market Value: $18-25 USD
- Original Retail: $32
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Keywords: Shimano adapter, braze-on clamp, front derailleur mount, 31.8mm, SM-AD13, band clamp, road bike, OEM part, bike conversion, frame adapter