Name: Shimano POST.966/800/765/204 front disc brake caliper adapter
Brand: Shimano
SKU: 135997793
Price: 7.99 EUR
Availability: InStock
Rating: 5 (9 reviews)

Shimano POST.966/800/765/204 front disc brake caliper adapter

Shimano POST.966/800/765/204 front disc brake caliper adapter

7.99 €

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Color Black

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Adapters

Product description of Shimano POST.966/800/765/204 front disc brake caliper adapter

Description summary

Upgrade your stopping power with the Shimano SM-MA-F203P/P Front Disc Brake Adapter. This genuine Shimano part allows you to mount a larger 203mm rotor on your Post Mount fork, delivering a massive boost in braking force and control. Ideal for aggressive trail, enduro, and e-MTB riding, it reduces brake fade on long descents. Engineered for a perfect fit, it ensures flawless alignment and reliable performance. Includes fixing bolts for a secure, straightforward installation, getting you back on the trail with ultimate confidence in your brakes

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Shimano SM-MA-F203P/P Front Disc Brake Caliper Adapter | Post Mount 203mm

Category: Spare parts
Subcategory: Brakes

Unlock the full potential of your bike´s braking system with the genuine Shimano SM-MA-F203P/P Front Disc Brake Caliper Adapter. As a crucial component in the Spare parts category for Brakes, this precision-engineered adapter is the definitive solution for cyclists looking to upgrade their stopping power or replace a worn or incorrect part. Designed with Shimano´s legendary commitment to quality and performance, this adapter ensures a flawless and secure connection between your fork and brake caliper, allowing you to ride with absolute confidence on any terrain.

The primary benefit of installing the Shimano SM-MA-F203P/P is the ability to upgrade to a larger 203mm front brake rotor. A larger rotor provides a significant increase in braking leverage, resulting in more powerful and consistent stopping force with less hand effort. This is especially advantageous for aggressive trail riding, enduro, downhill, and e-MTB applications where managing speed on steep descents is critical. Experience reduced brake fade during long, demanding runs and enjoy a greater margin of safety and control when you need it most.

Crafted for seamless integration, this adapter is the perfect link between a Post Mount brake caliper and a fork with a native Post Mount standard (typically 160mm or 180mm). By choosing a genuine Shimano part, you guarantee perfect alignment and tolerances, eliminating the frustrating noises, vibrations, and premature pad wear often associated with lower-quality, third-party alternatives. Installation is straightforward and secure, thanks to the included high-strength fixing bolts, getting you back on the trail faster.

Main Features:

* Optimized for 203mm Rotors: Specifically designed to correctly position your brake caliper for use with a 203mm front disc brake rotor, maximizing braking performance.
* Post Mount to Post Mount Standard: Provides a direct and robust connection for the most common modern mountain bike brake mounting systems (P/P).
* Genuine Shimano Quality: Engineered to the highest standards for unparalleled reliability, durability, and a perfect fit with Shimano components.
* Enhanced Braking Performance: Enables a significant upgrade in stopping power, modulation, and heat dissipation for more demanding riding conditions.
* Complete Installation Kit: Comes packaged with two essential fixing bolts, providing everything you need for a secure and proper installation right out of the box.

Technical Specifications:

* Product: SHIMANO Front Disc Brake Caliper Adapter
* Model Code: SM-MA-F203P/P
* Attribute: Adapters
* Position: Front Wheel
* Brake Type: Disc Brake
* Caliper Mount Type: Post Mount
* Fork Mount Type: Post Mount
* Compatible Rotor Size: 203 mm
* Package Contents: 1x Mount Adapter, 2x Caliper Fixing Bolts
---
Spare parts - Brakes.

SHIMANO Front Pin Adapter POST.966/800/765/ 204.

Mount adapter for disc brake caliper, sm-ma-f203p p, fixing bolt x2, ind.

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What our customers are saying about Shimano POST.966/800/765/204 front disc brake caliper adapter

Praised for its Shimano quality, this brake caliper adapter ensures a perfect fit for a 160mm to 203mm rotor conversion. It is specifically for 160mm post mounts, not 180mm. The adapter provides precise brake caliper alignment and is described as plug-and-play, with all necessary hardware included for an easy installation. While a minor modification may be needed to clear welds on some specific bike frames, the overall quality and performance are excellent

Shimano 160/203 adapter

2025/08/22

daniel-

160 to 203 disc adapter. Easy to install. Perfect, I recommend it.

They work perfectly!

2024/07/02

Costa

Easy to fit, all the hardware needed included. In the rear I had to shave it a bit to clear a welding on my '21 Trek X-Caliber 9 frame, nothing hard and well worth it.

It works

2023/12/03

Carlos

It's what you expect, Shimano quality and perfect fit. I had bought the same one from Galfer before but it didn't leave the brake caliper 100% in place, but with this great one.

Works well

2022/10/22

Rúben Sousa

excellent, I used it to convert 160mm to 203mm, but note that to adapt the back, the word "up" must be down.

as expected

2020/09/28

James

This does the job, not much to it. Worth noting that this is for 160mm - 203mm conversion and NOT 180mm - 203mm. Only buy this adapter if your bike/fork as 160mm post mounts.

Shimano adapter x rotor 203 mm.

2020/09/15

Angelo Facoetti

Perfect great product all ok

Very good

2020/01/17

Will

Excellent product I recommend it

Shimano ras

2018/09/08

juju

impeccable adapter, plug & play.

Shimano quality all the way

2018/08/31

Tata

There isn't much choice when you need an adapter.

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Shimano POST.966/800/765/204 front disc brake caliper adapter

Features of Shimano POST.966/800/765/204

Shimano - Spare parts - Brakes

Specifications Shimano POST.966/800/765/204

Features of Shimano POST.966/800/765/204

Color Black

Product Type Adapters

Product description of Shimano POST.966/800/765/204 front disc brake caliper adapter

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What our customers are saying about Shimano POST.966/800/765/204 front disc brake caliper adapter