# Shimano R203S/P Disc Brake Adaptor for 203mm Rotor 51mm Caliper 74mm Frame

Shimano Disc Brake Adaptors allow the use of different sized rotors to your frame or fork.

Brake Caliper Type

IS

Mount | Rotor Size

180 Post | 203 Rotor

## Details

- **Price:** 30.0 USD
- **Vendor:** Gio's Outdoors
- **Type:** Disc Brake Adapters & Bolts
- **Tags:** Gio's Outdoors, Shopify Collective

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 30.00 USD | In stock |

## Images

- Shimano R203S/P Disc Brake Adaptor for 203mm Rotor 51mm Caliper 74mm Frame

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> Source: [Smart supply deals](https://smartsupplydeals.com/products/shimano-r203s-p-disc-brake-adaptor-for-203mm-rotor-51mm-caliper-74mm-frame)
> Updated: 2026-07-22