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Rear Post to IS 203mm Disc Brake Mount adapter - Colour Options

£12.99
£12.99
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Bolts are supplied separately. Requires 4 x M6x20mm bolts.

Enhance your braking performance and add a custom touch to your setup with the Uberbike Disc Brake Adapter. Designed for riders who want to upgrade rotor size or personalize their bike’s look, this adapter makes it easy to run a 203mm disc brake rotor on frames with an International Standard (IS) mount.

The rear Post to IS 203mm adapter fits a 74mm post-mount caliper to a 51mm IS frame mount, allowing you to increase braking power, heat dissipation, and overall control — ideal for aggressive trail, downhill, or e-MTB riding.

Precision CNC-machined from 6061-T6 alloy, this adapter combines lightweight strength with long-term durability. The laser-etched Uberbike logos and seven anodized finish options give your bike a premium, customized appearance.

Key Features:

  • Type: Rear Post to IS 203mm Adapter
  • Compatibility: Fits 74mm post-mount caliper to 51mm IS frame mount with 203mm rotor
  • Material: CNC-machined 6061-T6 alloy
  • Finish Options: Seven durable anodized colours
  • Weight: 30g
  • Fits: Compatible with all disc brake caliper models
Every piece proudly carries a laser-etched Uberbike logo, symbolizing the fusion of British design, technical precision, and rider-focused innovation. Lightweight, refined, and built to last - this isn’t just an adapter; it’s a statement of performance and style.