Shimano SM-AD17 Front Derailleur Clamp Band Adapter

Install your front derailleur securely with the Shimano SM-AD17 Clamp Band Adapters, designed to adapt 34.9mm clamp band front derailleurs to smaller seat tube diameters (31.8mm or 28.6mm). These genuine Shimano reducer shims ensure precise fitment and stable derailleur mounting for smooth shifting performance.

Ideal for upgrading or fitting Shimano front derailleurs on different frame sizes.

Key Features

• Genuine Shimano mounting adapter
• Reduces 34.9mm clamp to 31.8mm or 28.6mm
• Ensures secure and stable derailleur fitment
• Precision-machined for accurate alignment
• Durable and lightweight construction
• Easy installation

Technical Specifications

• Model: SM-AD17
• Type: Clamp Band Adapter / Reducer Shim
• Compatible Clamp Size: 34.9mm
• Reduced Sizes: 31.8mm / 28.6mm (variant dependent)
• Application: Front Derailleur Mounting
• Material: Alloy / Composite (Shimano OEM spec)

Compatibility

• Shimano front derailleurs with 34.9mm clamp band
• MTB and Road Shimano front derailleurs
• Frames with 31.8mm or 28.6mm seat tube diameter

(Confirm seat tube diameter and derailleur clamp size before purchase.)

Ideal For

• MTB and road bike builds
• Frame size compatibility adjustments
• Upgrading drivetrain components
• Professional bike assembly and servicing

Why Choose Genuine Shimano Adapters?

Proper derailleur alignment is critical for smooth shifting. Genuine Shimano clamp adapters ensure correct positioning, reduce frame damage risk, and maintain drivetrain precision.

Additional Information

• Country of Origin: Japan / Malaysia
• Imported By: Shimano South Asia Pvt Ltd., 19, (Ground Floor) Kumara Krupa Road, Bangalore – 560001, Karnataka, India
• Customer Care Address: Chanduram Road, H No.335, Janta Chowk, Main Bazaar, Jaripatka, Nagpur (MH) – 440014
• Customer Care Email: ashamallnagpur@gmail.com
• Commodity: Bicycle Derailleur Mounting Hardware
• Net Quantity: 1 Adapter Set