1. Vintage Bicycle Parts For Sale
  2. sku: 5974363449189541
  3. SHIMANO DG-100

SHIMANO DG-100 Nos First Positron Rear Derailleur 70S

Dg-100 Shimano Vintage Nos 70s First Gen Positron 5 Speed Rear Derailleur

( Brand: Shimano ), ( Manufacturer Part Number: DG-100 ), ( Type: Derailleurs ), ( Color: Silver ), ( Country/region Of Manufacture: Japan ), ( For Bike Type: Road Bike Touring ), ( Vintage: Yes )

Review SHIMANO Vintage Nos 70s First Gen Positron Speed Rear Derailleur

The Shimano DG-100 NOS (New Old Stock) first generation Positron rear derailleur is a rare and highly coveted piece of cycling history. This derailleur was introduced by Shimano in the 1970s and was a revolutionary product for its time.

The Shimano DG-100 Positron derailleur features a unique design that sets it apart from other derailleurs of the era. The derailleur is made of high-quality aluminum alloy, which not only makes it lightweight but also durable and resistant to corrosion. The derailleur's body is shaped like a rectangular box, with the cage and pulley wheels attached to the bottom.

The most distinctive feature of the Shimano DG-100 Positron derailleur is its Positron shifting mechanism. This mechanism uses a lever on the left side of the derailleur to shift gears, which is activated by pulling or pushing the shifter on the handlebars. The Positron system is known for its smooth and precise shifting, which was a significant improvement over the thumb-operated derailleurs that were popular at the time.

The Shimano DG-100 Positron derailleur is compatible with 7-speed freewheels and has a maximum cable pull of 2.2mm. It also features a 12-tooth jockey wheel, which helps to reduce friction and improve shifting efficiency.

Overall, the Shimano DG-100 NOS first generation Positron rear derailleur is a must-have for any collector of vintage cycling equipment or anyone looking to build a unique and historic bike. Its unique design, smooth shifting, and high-quality construction make it a standout piece in any bicycle collection.

Pros of buying a Shimano DG-100 NOS 70s first gen Positron rear derailleur:

1. Vintage appeal: This derailleur has a unique and classic look that will stand out in any vintage or retro bike collection.

2. High-quality materials: Shimano is known for its high-quality components, and the DG-100 Positron is no exception. It is made of durable materials that can withstand the wear and tear of regular use.

3. Unique design: The Positron derailleur has a unique design that allows for precise shifting and smooth operation. It uses a spring-loaded lever to adjust the tension, which makes it easy to fine-tune the derailleur for optimal performance.

4. Rare and collectible: The first generation of the Shimano DG-100 Positron is a rare and collectible item. Owning one could increase the value of your bike collection and make it a conversation piece.

Cons of buying a Shimano DG-100 NOS 70s first gen Positron rear derailleur:

1. Compatibility issues: The DG-100 Positron was designed for use with specific types of bikes and components. It may not be compatible with modern bikes or components, which could limit its usefulness.

2. Limited availability: Due to its age and rarity, the Shimano DG-100 Positron may be difficult to find in good condition. You may have to pay a premium price to acquire one.

3. Maintenance requirements: Older components may require more frequent maintenance than modern ones. The DG-100 Positron may require more frequent adjustments and repairs to ensure proper functioning.

Conclusion:

The Shimano DG-100 NOS 70s first gen Positron rear derailleur is a unique and collectible item with high-quality materials and a unique design. However, its limited availability, compatibility issues, and maintenance requirements should be considered before making a purchase. If you are a vintage bike enthusiast or collector, the DG-100 Positron could be a worthwhile addition to your collection. But if you are looking for a functional and reliable derailleur for everyday use, you may want to consider a more modern option.

Recommendation:

If you are interested in the Shimano DG-100 NOS 70s first gen Positron rear derailleur, I recommend doing your research to ensure that it is compatible with your bike and components. You may also want to consider the cost and availability of parts and repairs to ensure that you can maintain the derailleur in good condition. Ultimately, whether or not the DG-100 Positron is a good fit for you depends on your specific needs and preferences as a bike enthusiast or collector.

Details:

Please see all pictures for condition. Hole in the bag.

part #: dg100 price

  • $15.00

specifications vintagebikepartiz:

  • brand: Shimano
  • mpn: Dg-100
  • type: Derailleurs
  • color: Silver
  • country/region of manufacture: Japan
  • for bike type: Road Bike Touring
  • vintage: Yes

offer vintagebikepartiz:

  • options: Ship-to-home
  • started: August 27, 2024
  • sold: 0
  • availability: In Stock
  • best offers: True
  • quantity: 1

shipping vintagebikepartiz:

  • service: USPS Ground Advantage
  • carrier: USPS
  • class: Standard
  • type: Fixed
  • cost: $8.00
  • transit: 8-12 Days

returns vintagebikepartiz:

  • policy: No Returns

general vintagebikepartiz:

  • Cycling > Vintage Cycling > Vintage Bicycle Parts

payments vintagebikepartiz:

  • other
  • credit card: Mastercard
  • wallet: Apple-pay

seller vintagebikepartiz:

  • city: Ferndale, Michigan
  • rating: 100.0%
  • # reviews: 461
type: derailleurs, country/region of manufacture: japan, for bike type: road bike touring, vintage: yes,
category: sporting goods > cycling > vintage cycling > vintage bicycle parts, color: silver, sku: 5974363449189541,
Shimano DG-100 Is Similar To:
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1 offer $15.00 USD
  • Offer #1 priced at $15.00 + $11.95 shipping estimate = $26.95* total. These derailleurs have an indexing function on the derailleur.+$11.95 shipping

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