Best current price£16.00from Merlin Cycles
Shopping.co.uk recommended and popular offers
Merlin Cycles£16.00Visit shop Hayes Black I.s Brake Adaptors - / Is Mount Bracket For 203Mm Rear Rotor
Visit shop2 offers from £16.00
View price history by clicking the chart icon.
The Hayes Dominion Brake Adaptor is designed for mountain bikers looking to upgrade their rear braking power to a 203mm rotor configuration on frames equipped with International Standard (IS) mounts. This precision-engineered component ensures optimal caliper alignment for the Hayes Dominion braking system, providing consistent stopping power and reliability on demanding descents. While it offers a seamless fit for specified setups, it is important to verify frame clearance for a 203mm rotor before installation to ensure the larger disc does not contact the seat stay or chain stay.
| Series | Dominion |
|---|---|
| Model Part Number | BDHYAIR203 |
| Brand | Hayes |
This adaptor is specifically designed for the Hayes Dominion system, though it may be compatible with other calipers requiring an IS-to-post mount for a 203mm rotor.
No, this is specifically designed for the geometry and spacing of International Standard rear frame mounts.
If you only remove the caliper to install the adaptor, a full bleed is typically not required; however, center the pads over the rotor after installation.
Yes, the kit includes the necessary bolts to mount the adaptor to the frame.
Not every frame is designed to clear a 203mm rotor. Check your frame manufacturer's specifications to ensure maximum rotor size compatibility.
Ensure the adaptor is mounted flush against the IS tabs and check that the mounting bolts are tightened evenly to avoid canting.
Verify that your hub spacing is correct and that the wheel is fully seated in the dropouts; check for any debris between the adaptor and the frame.
Ensure you are using the correct metric hex key size and that the tool is fully seated in the bolt head before applying torque.
To install the adaptor, first clean the mounting tabs on your frame of any debris or old thread-locking compound. Ensure your frame's IS mounts are faced and true for the best results. Place the adaptor over the mount, align it with the frame's holes, and secure it using the provided bolts. Once the adaptor is tightened, mount the Hayes Dominion caliper to the adaptor, using the manufacturer-specified torque settings.
Regularly check the bolts for tightness after the first few rides, as vibrations can cause fasteners to loosen. Use a high-quality thread locker like `Loctite 243` on bolt threads during initial installation to ensure they remain secure. Always check for adequate clearance between the 203mm rotor and your frame's rear triangle before your first ride.
