TheBetterBuy logo
Shimano Disc Brake Adaptors for Post Mount Calipers - 203mm Front IS Mount - Image 1
1 / 2

Shimano Disc Brake Adaptors for Post Mount Calipers - 203mm Front IS Mount

Shimano

Compare today's prices on the "Shimano Disc Brake Adaptors for Post Mount Calipers - 203mm Front IS Mount".

Available From

(2 stores)
Last Updated: 06/10/2026
Tweeks Cycles logo

Tweeks Cycles

✓In Stock
View Deal
£11.99
★Best Price
View More
Leisure Lakes Bikes logo

Leisure Lakes Bikes

✓In Stock
View Deal
£13.99
*Delivery £19.99 - Free (1-4 Day) | View More
amazon-logo

Amazon

ebay-logo

Ebay

*This site uses affiliate links. If you make a purchase through one of them, we may earn a small commission — at no additional cost to you.

Product Description

Compare today's prices on the "Shimano Disc Brake Adaptors for Post Mount Calipers - 203mm Front IS Mount".

Shimano Disc Brake Adaptors for Post Mount Calipers - 203mm Front IS Mount

Upgrade your braking system with confidence using this Shimano disc brake adaptor, specifically designed to allow post mount callipers to be fitted securely to international standard (IS) frames. Whether you are upgrading to larger rotors for improved stopping power on steep descents or converting a frame for modern post-mount brakes, this adaptor ensures a precise, reliable fit and maintains consistent brake performance. Crafted to Shimano’s exacting standards, it offers a straightforward, hassle-free installation that keeps your braking setup safe and responsive.

- Compatible with post mount disc brake callipers and IS (international standard) frame mounts

- Designed for 203mm front rotor size – ideal for aggressive riding or larger wheelsets

- Robust aluminium construction for durability and lightweight performance

- Simple bolt-on installation with all necessary hardware included (bolts specified for your setup)

- Ensures correct calliper alignment, reducing rotor rub and improving brake modulation

- Suitable for leisure, mountain, and hybrid bikes requiring a post-to-IS conversion

- Genuine Shimano quality for long-term reliability and corrosion resistance

With this adaptor, you can confidently match your post mount calliper to an IS fork, unlocking the benefits of a larger brake rotor without compromising on safety or fit.

GTIN: 4524667108122