Cookies

We use cookies that are necessary for the shop to work. With your permission we also use analytics and marketing cookies to understand how the site is used and to show more relevant ads via Google and Meta, and we show a Google Maps map and the Askly chat window. You can change your choice at any time with the “Cookie settings” link at the bottom of the page. Read more

Disc Brake Adapter Shimano SM-MA-R203P/S 203 mm
−38%
Orderable
SHIMANO

Disc Brake Adapter Shimano SM-MA-R203P/S 203 mm

Shimano SM-MA-R203P/S rear disc brake adapter for 203 mm rotors. Fits IS2000 (140 mm) frame mounts and Post Mount brake calipers. Aluminium construction.

9,90 €16 €You save 6,10 €
Price includes VAT 24% (delivery: Estonia).
Available to order, delivery to warehouse in 4 working days
Product code: 02SMMAR203PSA
Delivery within Estonia from 2,10 € · free on orders from 50 €
14-day returns
Secure payment
29 years of experience
Advice by phone

Overview

Disc Brake Adapter Shimano SM-MA-R203P/S 203 mm

Shimano SM-MA-R203P/S is a rear disc brake adapter designed to install a Post Mount brake caliper with a 203 mm rotor on bicycle frames featuring an IS2000-standard 140 mm direct mounting interface.

Manufactured from lightweight and durable aluminium, the adapter features steel mounting bolts. It provides a practical solution for upgrading to a larger brake rotor, allowing increased braking leverage and improved heat dissipation. Always verify that the bicycle frame supports a 203 mm rotor before installation.

Technical specifications:

  • Manufacturer: Shimano
  • Model: SM-MA-R203P/S
  • Type: Rear disc brake adapter
  • Frame mounting standard: IS2000 (140 mm)
  • Brake caliper mounting: Post Mount
  • Rotor diameter: 203 mm
  • Adapter material: Aluminium
  • Bolt material: Steel