# Boîtier de pédalier Shimano BB-UN300-K Type carré BSA 110mm/68mm

**Brand:** Shimano
**Category:** Sport & fitness
**Code (GTIN/SKU):** 4550170619190
**Canonical URL:** https://openreviews.io/en/reviews/shimano/boitier-de-pedalier-shimano-bb-un300-k-type-carre-bsa-110mm-68mm-4550170619190

## Rating: 4.7/5 ★★★★★ — 74 reviews analyzed
_Confidence: high_

## At a glance

Boîtier de pédalier Shimano BB-UN300-K Type carré BSA 110mm/68mm reviews: 4.7/5 based on 74 analyzed reviews from 2 sites, updated November 2, 2026.

Praised: installation and performance.

74 reviews analyzed, all published on other sites.
Other sites: 2 sources, 74 reviews, average rating 4.7/5.
How we count reviews: https://openreviews.io/en/methodology

## AI summary

This square taper bottom bracket is aimed at cyclists looking for a reliable, standard drivetrain component for their bike. Users highlight its particularly simple and quick installation, even for amateur mechanics. Its robust design allows it to offer smooth and consistent performance on a daily basis. It also stands out for offering very good value for money when maintaining a city or touring bike.

## Strengths

- **Installation** — Mounting the bottom bracket is very easy and without any technical complications.
- **Performance** — The operation of the mechanism offers a very satisfying pedaling smoothness.
- **Value for money** — The component offers an excellent compromise between its affordable price and its durability.

## Frequently asked questions

- Does installation require specific tools?
- Is the bearing smooth in use?
- Are the screws solid during tightening?
- Does this bracket resist moisture well?

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_Source: OpenReviews — https://openreviews.io/en/reviews/shimano/boitier-de-pedalier-shimano-bb-un300-k-type-carre-bsa-110mm-68mm-4550170619190_