Shimano Dura-Ace Di2 Clamp Band Adapter SM-AD91

The Shimano Dura-Ace DI2 Clamp Band Adapter SM-AD91 is your key to achieving the perfect fit for your front derailleur. This adapter is designed for installing Shimano braze-on front derailleurs on frames that require a band clamp. If you have a 34.9mm frame, this adapter is precisely what you need.

Versatile Sizing: The SM-AD91 is available in 34.9mm size, making it compatible with frames that have this specific band clamp requirement. Shimano has considered various frame sizes, and this adapter is part of their commitment to providing solutions for a wide range of setups. For those with frames in the 28.6mm or 31.8mm size, Shimano has you covered as well.

Ensure Compatibility: A well-fitted front derailleur is crucial for smooth shifting and optimal performance on your bike. The Shimano Dura-Ace DI2 Clamp Band Adapter SM-AD91 ensures that your Shimano braze-on front derailleur securely fits on frames with a 34.9mm band clamp requirement. Say goodbye to compatibility issues and enjoy seamless gear changes.

Quality You Can Trust: Shimano, a trusted name in cycling components, is known for its commitment to quality and precision. The SM-AD91 lives up to Shimano's reputation, providing a durable and reliable solution to your front derailleur installation needs.

Get the Perfect Fit: Don't compromise on your bike's performance. The Shimano Dura-Ace DI2 Clamp Band Adapter SM-AD91 is the key to getting the perfect fit for your front derailleur on a 34.9mm band clamp frame.

Trust Shimano's expertise and enjoy smooth and precise shifting on your rides.

We ship across India. Shipping is free on orders above ₹2,000, and ₹99 is charged on orders below ₹2,000. Cash on Delivery is available for orders up to ₹20,000, with additional COD charges based on order value. Most orders are delivered within 3–6 working days, though delays may occasionally occur. Please note that most Shimano products may take longer to ship. View full shipping policy.

Returns can be initiated within 7 days of delivery. Items must be unused, in original condition, and returned with all tags and packaging intact. Returns are available only on select categories such as apparel, helmets, jerseys, gloves, and similar items. Wetsuits and products discounted above 5% are not eligible for return.

Returns are not accepted for compatibility-related issues unless the product description on our website was incorrect. Return shipping must be arranged by the customer, as pickup is not available.

For eligible returns, you can choose an exchange, store credit, or a monetary refund. Refunds are processed after deduction of applicable shipping and transaction charges. Order cancellations are only possible before the order is processed. View full Return & Refund Policy.