Shimano UN300 English Bottom Bracket
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Shimano UN300 English Bottom Bracket
High quality sealed bottom bracket with a squared taper and new chain line stabilizer for increased chain reliability.
Shimano UN300 English Bottom Bracket
Articol nr.: 104927371

Shimano UN300 English Bottom Bracket

86% din respondenți l-ar recomanda unui prieten

Articol nr.: 104927371

RON 135

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High quality sealed bottom bracket with a squared taper and new chain line stabilizer for increased chain reliability.
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Ce Iese în evidență

Smooth Operation
The Shimano UN300 provides exceptionally smooth pedaling efficiency, minimizing friction and enhancing rider comfort during long rides, making it ideal for both casual cyclists and serious enthusiasts.
Durable Design
Constructed with high-quality materials, the Shimano UN300 boasts a robust design that withstands rigorous usage and environmental conditions, ensuring longevity and solid performance across multiple seasons.
Versatile Compatibility
Designed to fit a wide range of bike frames and cranksets, the Shimano UN300 caters to diverse cycling setups, offering seamless integration and enhancing your bike's overall functionality.

Detalii produs

Shop Shimano UN300 English Bottom Bracket online at a best price in România. B0C9R16DFL

Product Technical Details

Item Package Dimensions L x W x H‎6.57 x 1.89 x 1.73 inches
Package Weight‎0.29 kg
Item Dimensions LxWxH‎5.63 x 2.03 x 1.91 inches
Item Weight‎0.27 g
Brand Name‎SHIMANO
Warranty Description‎Limited Warranty
Model Name‎Bottom Bracket - English, 68 X 113mm
Color‎noir/argentÃ
Material‎Alloy
Suggested Users‎unisex
Number of Items‎1
Manufacturer‎Shimano
Part Number‎EBBUN300B13X
Style‎Bottom Bracket - English, 68 X 113mm
Included Components‎Bottom Brackets
Size‎68mmx113mm
Sport Type‎Cycling

Ce se află în cutie

Bottom Brackets

Cine Ar Trebui să Cumpere?

Suitable For
  • Casual Cyclists

    Ideal for occasional riders needing reliability and smooth operation without complex maintenance.

  • Budget-Conscious Riders

    Great choice for those seeking quality components at an affordable price, ensuring a decent performance.

  • Replacement Needs

    Perfect for users looking to replace worn-out bottom brackets without upgrading to higher-end models.

Not Suitable For
  • Competitive Cyclists

    Not suitable for racers or performance enthusiasts looking for ultra-lightweight or high-end components.

DESCRIEREA PRODUSULUI

Aveți întrebări? Discutați cu noi

Întrebări și răspunsuri ale clienților

  • Întrebare: What is the Shimano UN300 English Bottom Bracket designed for?

    Răspuns: The Shimano UN300 English Bottom Bracket is designed for mountain and road bikes featuring a traditional English threading system. This component enhances drivetrain performance, allowing for smoother pedaling and better power transfer. Furthermore, its durable construction helps resist wear and maintain functionality under varying conditions, making it ideal for avid cyclists and casual riders alike. It's perfect for retrofitting older bikes with a reliable and quality bottom bracket.
  • Întrebare: How does the Shimano UN300 compare to other bottom brackets?

    Răspuns: The Shimano UN300 stands out due to its sealed cartridge design that protects against dirt and moisture, which can lead to premature wear in other models. This design simplifies installation and maintenance compared to traditional loose-ball systems. Many cyclists appreciate how the UN300 provides a stable and reliable platform for their cranksets, enhancing overall ride quality, especially during demanding rides or long-distance cycling scenarios.
  • Întrebare: What tools are required for installing the Shimano UN300 Bottom Bracket?

    Răspuns: To install the Shimano UN300 Bottom Bracket, you'll need a B.B. tool specifically compatible with the English thread system, along with a torque wrench for optimal tightening. Using the right tools ensures a secure fit, minimizing the risk of noise and creaking while you ride. This detailed attention to the installation process can significantly enhance performance and bike longevity, particularly if you're building or retrofitting a bicycle.
  • Întrebare: Is the Shimano UN300 compatible with all bicycle frames?

    Răspuns: The Shimano UN300 is specifically designed for frames that use the English threaded bottom bracket standard. It's crucial to verify if your bike's frame matches this standard before purchasing. Compatibility varies across different bike models, so checking your frame specifications is vital. This approach ensures you get the right fit and optimal performance, avoiding the complications that arise from using mismatched components.
  • Întrebare: What maintenance does the Shimano UN300 require?

    Răspuns: The Shimano UN300 mainly requires periodic checks for play or noise, as its sealed cartridge design minimizes maintenance needs compared to traditional bottom brackets. However, regular cleaning around the crank area and lubricating the threads can prolong its lifespan. Inspecting the component after extensive rides or in adverse weather conditions can help catch potential issues early, ensuring a smooth riding experience on your bike.
  • Întrebare: What are the benefits of using a sealed bottom bracket like the Shimano UN300?

    Răspuns: A sealed bottom bracket, like the Shimano UN300, provides superior protection against environmental elements such as dirt and moisture that can cause damage over time. This design prevents contamination, resulting in a longer lifespan for the component. Cyclists favor this system for its reliability, particularly when riding in wet or muddy conditions. Additionally, it often allows for a quieter operation, enhancing the overall riding experience.
  • Întrebare: Can the Shimano UN300 be used with different cranksets?

    Răspuns: Yes, the Shimano UN300 Bottom Bracket can be used with a variety of cranksets that are compatible with English threaded systems. Just ensure the compatible crankset matches the bottom bracket specifications for optimal performance. This versatility makes it a popular choice for riders looking to customize or upgrade their bike setup. It’s particularly beneficial for those who wish to enhance their drivetrain capabilities without extensive modifications.
  • Întrebare: What materials is the Shimano UN300 Bottom Bracket made from?

    Răspuns: The Shimano UN300 Bottom Bracket features a robust aluminum alloy shell and high-quality sealed bearings. This combination ensures strength while keeping the weight relatively low, maximizing performance for riders. These materials also provide great resistance to corrosion and wear, making the UN300 suitable for various weather conditions. Riders looking for both durability and performance will find this construction highly advantageous during their cycling adventures.
  • Întrebare: How do I know if my Shimano UN300 Bottom Bracket needs replacement?

    Răspuns: Signs that your Shimano UN300 Bottom Bracket may need replacement include persistent creaking noises during pedaling, noticeable play in the crankset, or an uneven feel while riding. Regularly check for these indicators after intense riding sessions. Addressing issues early can prevent further damage and enhance your riding experience, allowing you to maintain the integrity of your bike’s performance effectively.
  • Întrebare: Where can I buy Shimano UN300 English Bottom Bracket in Romania?

    Răspuns: You can purchase the Shimano UN300 English Bottom Bracket from Ubuy in Romania. Ubuy offers a reliable platform with various options and ensures ease of access for this component, making it a go-to destination for cyclists looking to enhance their bike's performance.

SHIMANO Bottom Brackets Editorial Review

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Shimano UN300 English Bottom Bracket offers a quality sealed bearing design that ensures smooth operation, making it a preferred choice among cyclists. Users have noted the easy installation process, particularly when using the proper Bottom Bracket tools. The product is designed with aluminum cups and a square tapered shaft, which provides a secure fit and durability, especially in older bike models. Many reviews highlight how this bottom bracket improves overall bike performance, transforming older bike setups into smoother rides. Additionally, the product is compatible with various bike models, making it versatile for different cycling needs.

Recenziile și evaluările clienților

344 evaluări ale clienților
  • 5 stele
    80%
  • 4 stele
    12%
  • 3 stele
    4%
  • 2 stele
    1%
  • 1 stele
    3%

Faceți o recenzie pentru acest produs

Împărtășiți-vă părerea cu alți clienți

Pro

  • Easy installation with correct tools
  • Sealed bearing for smooth rotation
  • Durable aluminum cups
  • Fits well on older bike models
  • Great upgrade for maintenance projects

Contra

  • Installation requires some specific tools for best results

ÎNCREDERE ÎN PLATFORMĂ ȘI SIGURANȚA CUMPĂRĂTORULUI

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4.2/5 9477 recenzii
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Jasmin
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“Great products and very good service: very easy and very fast international delivery.”

9 September 2026 · via Trustpilot
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Anke
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“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”

10 September 2026 · via Trustpilot
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Hazel
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“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”

10 September 2026 · via Trustpilot
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Opaleye
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“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”

11 September 2026 · via Trustpilot
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Adele
Cumpărător verificat

“Easy to find and order what you want on the website. Delivery is quick to the UK”

8 September 2026 · via Trustpilot
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RON 135

Comandați acum și primiți Sunday, Septembrie 20

Cant.:

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Conform PCI DSS și certificat ISO 27001:2022, cu plăți criptate și protecție completă a cumpărătorului la fiecare comandă.

Partenerii noștri principali de logistică
  • fedex
  • dhl
Cea mai rapidă livrare internațională

Caracteristici și avantaje

  • High-quality sealed bottom bracket for durability.
  • Designed specifically for JIS square-taper cranksets.
  • Features a new chain line stabilizer for enhanced reliability.
  • Available in multiple spindle and shell lengths for versatile fit.
  • Made from extra strong aluminum for added strength.
  • Crankarm fixing bolts sold separately for customization.

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