# Etrier frein disque Shimano Ultegra avant BR-R8070

**Brand:** Shimano
**Category:** Sport & fitness
**Code (GTIN/SKU):** 4524667768821
**Canonical URL:** https://openreviews.io/en/reviews/shimano/etrier-frein-disque-shimano-ultegra-avant-br-r8070-4524667768821

## Rating: 4.2/5 ★★★★☆ — 19 reviews analyzed
_Confidence: high_

## At a glance

Etrier frein disque Shimano Ultegra avant BR-R8070 reviews: 4.2/5 based on 19 analyzed reviews from 2 sites, updated November 2, 2026.

Praised: braking power and modulation. Criticized: complex maintenance and specific tools required.

19 reviews analyzed, all published on other sites.
Other sites: 2 sources, 19 reviews, average rating 4.2/5.
How we count reviews: https://openreviews.io/en/methodology

## AI summary

This front hydraulic disc brake caliper is aimed at demanding road and gravel cyclists. Users highlight its high braking power and remarkable modulation, offering secure control without any sudden jerking. It proves particularly effective and reliable for confidently tackling fast descents or navigating muddy switchbacks. However, some users report that maintenance is delicate, with bleeding and repressurizing the system proving complex. Additionally, this operation requires the use of a specific Shimano bleed kit that is not included.

## Strengths

- **Braking power** — It offers powerful and secure braking, ideal for speeding down descents.
- **Modulation** — Deceleration is smooth and gradual, allowing for precise control of your line.
- **All-terrain efficiency** — Its performance remains consistent even in challenging conditions like muddy turns.

## Weaknesses

- **Complex maintenance** — Bleeding the hydraulic system and restoring pressure prove difficult to do yourself.
- **Specific tools required** — Maintenance strictly requires the purchase of a dedicated bleed kit.

## Frequently asked questions

- Is the braking progressive?
- Is it suitable for gravel and mud?
- Is it easy to bleed it yourself?
- Is a special tool needed for maintenance?

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_Source: OpenReviews — https://openreviews.io/en/reviews/shimano/etrier-frein-disque-shimano-ultegra-avant-br-r8070-4524667768821_