SKU: 78144415486
fitnessbike shimano 105

fitnessbike shimano 105 Vintage NOS Shimano Rear Derailleur 105 Small Cage RD-1055 – LIVE 4 BIKES

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Description

fitnessbike shimano 105 Vintage NOS Shimano Rear Derailleur 105 Small Cage RD-1055 – LIVE 4 BIKESVintage NOS Shimano Rear Derailleur Model: RD 1055 Shimano 105 SC SIS Compatibility: 6 & 7 speed Cage Type: Short cage Intended Use: Road bikes This New Old Stock (NOS) rear derailleur is a classic component from Shimano's well regarded 105 groupset. Designed for road bikes, it features: SIS (Shimano Index System) technology for precise shifting Short cage design, ideal for road bike gearing Compatibility with 6 and 7 speed cassettes Durable

Vintage NOS Shimano Rear Derailleur Model: RD-1055 Shimano 105 SC SIS Compatibility: 6 & 7 speed Cage Type: Short cage Intended Use: Road bikes

This New Old Stock (NOS) rear derailleur is a classic component from Shimano's well-regarded 105 groupset. Designed for road bikes, it features:

  • SIS (Shimano Index System) technology for precise shifting
  • Short cage design, ideal for road bike gearing
  • Compatibility with 6 and 7-speed cassettes
  • Durable construction typical of Shimano components
  • Vintage appeal for classic road bike builds or restorations

Perfect for collectors or cyclists looking to maintain period-correct components on their vintage road bikes.


 

Choosing Bicycle Derailleur Hangers
Types of Bicycle Derailleur Hangers
Features of Bicycle Derailleur Hangers
Why Choose Us

Everything You Need to Know About Choosing Bicycle Derailleur Hangers

Introduction:

Bicycle derailleur hangers are crucial components that connect the derailleur to the frame, allowing for smooth and precise gear shifting. Choosing the right derailleur hanger involves considering factors such as compatibility, material, and durability. In this guide, weÕll explore everything you need to know about selecting the perfect derailleur hangers for your bike. Whether you're replacing a broken hanger or upgrading to a higher-quality option, understanding the different types and features is essential for maintaining your bike's performance.

When choosing a derailleur hanger, it's important to match the hanger to your bike's frame specifications. Look for hangers made from durable materials like aluminum or carbon fiber, which offer strength and reliability. Compatibility with your derailleur system ensures smooth gear shifts and prevents damage to your bike's drivetrain components. By selecting the right derailleur hanger, you can ensure optimal performance and prolong the lifespan of your bike's shifting system.

Investing in a high-quality derailleur hanger can save you time and money in the long run. A well-maintained derailleur system improves your riding experience by providing consistent and precise gear changes. Whether you ride on roads, trails, or gravel paths, a reliable derailleur hanger is essential for maintaining efficiency and enjoying a smooth ride.

Understanding Different Types of Bicycle Derailleur Hangers

There are various types of bicycle derailleur hangers designed to fit different bike frames and derailleur systems. Here's an overview of the most common types:

Replaceable Derailleur Hangers:

Replaceable derailleur hangers are designed to be easily replaced if damaged. Features include:

  • Compatibility with specific bike frames
  • Easily removable and replaceable
  • Available in various materials

Replaceable derailleur hangers are common on many modern bikes, allowing for quick repairs in case of accidental damage. They are often made from aluminum or alloy, providing a balance of strength and flexibility. Having a spare hanger on hand can prevent downtime and keep your bike running smoothly.

When choosing a replaceable derailleur hanger, check compatibility with your bike's frame and derailleur model. Proper installation and alignment are essential for optimal performance and durability. Regular inspection and maintenance can extend the life of your derailleur hanger and prevent costly repairs.

Direct-Mount Derailleur Hangers:

Direct-mount derailleur hangers are integrated into the bike frame for added strength and stability. Features include:

  • Enhanced stiffness and alignment
  • Improved shifting performance
  • Compatible with specific bike frames

Direct-mount derailleur hangers offer a more rigid connection between the derailleur and frame, reducing flex and improving shifting accuracy. They are commonly found on high-end mountain bikes and provide better durability and reliability in challenging riding conditions.

Consider direct-mount derailleur hangers for bikes that undergo frequent off-road use or aggressive riding. Their robust design minimizes the risk of bending or misalignment, ensuring consistent gear shifts and optimal performance. When upgrading or replacing a derailleur hanger, choose a direct-mount option that matches your bike's specifications for seamless installation and reliable operation.

Adjustable Derailleur Hangers:

Adjustable derailleur hangers offer flexibility in alignment for precise gear adjustments. Features include:

  • Allows fine-tuning of derailleur position
  • Compatible with various bike frames
  • Eases installation and maintenance

Adjustable derailleur hangers are designed to accommodate minor frame variations and optimize derailleur performance. They feature adjustable screws or slots that allow for precise alignment of the derailleur, ensuring smooth gear shifts and minimizing chain wear. Riders who prioritize precise gearing and optimal drivetrain efficiency may benefit from adjustable derailleur hangers.

When installing an adjustable derailleur hanger, follow manufacturer guidelines for proper alignment and tensioning. Regular inspection and adjustment can prevent issues such as ghost shifting or chain slippage, enhancing your bike's overall performance and reliability. Choose an adjustable derailleur hanger that matches your bike's frame geometry and derailleur type for consistent and trouble-free riding.

Essential Features of High-Quality Bicycle Derailleur Hangers

When selecting bicycle derailleur hangers, itÕs important to consider features that ensure optimal performance and durability. HereÕs a detailed look at the key features to look for:

Material Strength:

High-quality materials like aluminum or titanium provide strength and durability. Choose derailleur hangers made from robust materials to withstand impacts and maintain alignment, ensuring reliable gear shifts and minimizing the risk of damage.

Consider the material's weight and corrosion resistance. Lightweight materials reduce overall bike weight, improving handling and acceleration. Opt for derailleur hangers with protective coatings or anodized finishes to enhance durability and longevity in various weather conditions.

Why Choose Us

Live 4 Bikes is your ultimate destination for high-quality commuter bicycles. We offer a wide range of commuter bikes to suit all preferences and budgets. Our products are made from durable materials to ensure longevity and smooth performance. We provide expert advice to help you choose the right commuter bike for your needs. With competitive prices, exceptional customer service, and a commitment to quality, we ensure that your commuting experience is always efficient and enjoyable. Choose Live 4 Bikes for all your commuter bicycle needs and experience the convenience and reliability of our products.

At Live 4 Bikes, we understand the importance of finding the perfect commuter bicycle. Our team of experts is dedicated to helping you select a bike that fits your lifestyle and commuting requirements. We offer personalized recommendations and guidance to ensure you make an informed decision. Our extensive range of commuter bikes includes options for every type of rider, from beginners to experienced cyclists.

Our commitment to customer satisfaction sets us apart. We offer a comprehensive warranty on all our commuter bicycles, providing you with peace of mind and confidence in your purchase. In addition, we provide ongoing support and maintenance services to keep your bike in top condition. At Live 4 Bikes, we are passionate about promoting cycling as a sustainable and enjoyable mode of transportation. Join our community of satisfied customers and discover the benefits of commuting by bike.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 78144415486

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4.8 ★★★★★
Based on 15 reviews
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KeepsGettingBetter
Charlottesville, US
★★★★★ 5
So perfectly soft
Size: King, Style: 2 Dark Gray
My husband was complaining about the mattress, and wants to spend a lot of money on a new one like the ones at the Waldorf. I asked him to give me a chance to try to fix it first. Watched youtube videos about hotel style beds, and landed on the need for a mattress topper. This one is so... very... comfortable. I thought the grid pattern would bother me, but nope. You don't realize how much heat you soak up from your mattress until you get a nice airy layer in between. I almost completely stopped sweating at night, and he's stopped complaining about hurting as much. This is another of those items that I'm scared of washing too much, but it's held up with care and caution. If it starts to get a bit too squished, I just fluff it in the dryer and the padding poofs right back up. The sides are deep and my mattress sinks right into the pocket with no pulling. I have bad back pain and I am certain this has been helping support my back a bit better, so I wake up more refreshed. I'm sorta popping out of bed like I used to years ago. He still plans on a new mattress, but this has saved us money, for now, and when we get the new one, this will layer on top like a dream. I'm glad I took the chance on this, it has really improved our rest, and that's so important.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 16, 2026
S
Verified Purchase
SS
Port Orchard, US
★★★★★ 5
Cloud like plushness without loss of support
Size: Queen, Style: 1 Green
Cloud like plushness while not losing support. Bought a new high end plush mattress and adjustable bed frame with massage and still wasn’t feeling that cloud like feeling that I like. I don’t like foam toppers because it is too soft and it lacks support. This topper fit perfectly on a 13” tight top mattress over the protector. The topper was exactly what I was looking for. So comfortable, cool, and put me to sleep right away. Massage feature on adjustable base feels the same as it did without the topper, but the bed is just more comfortable and hard to not want to be lazy in it all day now. For the price, this can’t be beat. If you’re looking for a mattress topper to enhance the comfort of what you already have, buy this. You won’t be disappointed!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 11, 2026
M
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MARY A ALCALA
Louisville, US
★★★★★ 5
Very, very soft and cushiony that I can feel even thru the fitted sheet .
Size: King, Style: 1 Green
Very well packaged. Box was very heavy, but once I got thr shrink wrapped package opened, it inflated on its own. It is a perfect fit. Although it isn't thick, it is extremely soft and my back and hip feel better (arthritis and sciatica). I plan on getting a memory foam pad to put underneath, but for now, I am reasonably pleased. The quality was so good, I decided to keep it instead of going thru the trouble of repacking it.
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Reviewed in the United States on May 25, 2026
C
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Carolina Álvarez
Omaha, US
★★★★★ 5
Soft & Durable Mattress Protector
Color: 1 Gray, Size: Queen, Color: 1 Gray, Size: Queen
Excellent mattress cover. The fabric feels soft and comfortable while providing great protection for the mattress. It has an elegant design that gives the bed a clean and modern look. It fits well, is easy to put on, and stays in place. Great value for the price. Highly recommend!
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Reviewed in the United States on May 31, 2026
H
Verified Purchase
HandyAndy
Birmingham, US
★★★★★ 5
Nice protector cover, quiet and comfy - best for THICK mattresses
Color: 3 Navy Blue, Size: Full
I liked this pad immediately as fabric cover has nice quilting (just slightly puffy), and touch feel and feels substantial enough to hold up over time. I’ve ordered a few different brands of these and they were crappy, insubstantial pads I did not think would hold up to more than a couple washings. My biggest complaint and it’s due to my own lack of experience buying these in the new world of skillions of mattress thickness choices is that (A) the side panels / elastic pockets are HUGE and will never be secure on anything thinner than a 12” (or thicker!) mattress; and (B) I thought I was buying an ENCASEMENT cover pad which this is not. I’m blaming that on Amazon because I specifically input “encasement” in the search and their F’ing search algorithm does whatever the heck it wants and if you’re not paying nit-picky attention you get stuff you don’t want. (Or you waste time sorting out the ones you didn’t want to see in the first place!) That said I am seriously considering keeping this (depending on late arrivals of competing covers) as I’m certain this will be comfortable and as quiet as these waterproof covers get. It’s a nice cover. UPDATE: it’s a couple weeks later and I’m reporting I did keep it and am happy to have done so. It installed more securely than anticipated and is as comfortable as I thought it would be. I’ll try and update again when I have time to resize pics and show how much my cat enjoys it too:) UPDATE#2: in review I noticed that the 1* reviews were on about nasty liquids leaking through - I haven’t had any large scale events to gauge but I can see how those reviews could be valid. I should report out of EVERY type of these “nice” noiseless “waterproof” pads I’ve got I think every one of them probably could have the same fault. In other words though I use and really like this cover I also purposely use an encasement style mattress protector (you know the put it in a bag w/zipper kind and a pain in the a** to do so kind) to avoid the complaints in the 1* camp. These mattresses are just too costly and spongelike to NOT protect them completely so I appreciate their frustration that things leaked for them. In my choice to keep this I did so because a) it most probably is pretty waterproof & is definitely quiet & comfy; b) it’s pretty easily washable; and c) because most of the encasement protectors are of more “crinkly” material than this (at least the ones I’ve seen so far - maybe the super expensive ones have figured out how to be perfectly waterproof without crinkle) and by using this nice top protector I put a layer on top of the crinklier encasement and everything just ends up much better with no noticeable crinkle. Figured I say this to help detail 1* vs. 5* because right!? how can one thing be so great and when you turn around then be so terrible… just sayin. (& I did not change my 5* rating😎)
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Reviewed in the United States on March 16, 2026

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