SKU: 8537059088

Huret Duopar (Ref 2648) Titanium Vintage Rear Derailleur

$149.62 $166.25
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Description

Huret Duopar (Ref 2648) Titanium Vintage Rear DerailleurOriginal part in production from the 1970s to the 1980s Suitable for historic cycling events such as L'Eroica Professionally checked & cleaned Worldwide shipping Huret Duopar rear derailleur (or mech if you prefer), hailing from France and in production from the 1970s to the 1980s. Made from titanium aluminium steel and weighing in at 256 grams. A fine choice for keeping your vintage bike authentic, but also great for any other compatible bike. If

✓ Original part - in production from the 1970s to the 1980s
✓ Suitable for historic cycling events such as L'Eroica
✓ Professionally checked & cleaned
✓ Worldwide shipping

Huret Duopar rear derailleur (or mech if you prefer), hailing from France and in production from the 1970s to the 1980s. Made from titanium/aluminium/ steel and weighing in at 256 grams. A fine choice for keeping your vintage bike authentic, but also great for any other compatible bike.

If you're taking part in L'Eroica or a similar vintage event, this is fully compliant - so rest assured, the pre-1987 police won't lock you up for having the wrong rear mech!

The mech's been carefully cleaned, thoroughly checked by one of our mechanics and graded as excellent condition, but do take a good look at the detailed photos so you can see the cosmetic condition before you buy.

OVERVIEW

Body Condition - Excellent
Jockey Wheel Condition - Very Good
Model ID - Ref 2648
Production Era - 1970s & 1980s
Country - French
Material - Titanium / Aluminium / Steel
Weight - 256 g
Stock Code - U-G3-RM148V
NB - Official release name was Duopar 'Titane'.

TECHNICAL INFO

Shifting System - Friction
Speed* - 5 Speed, 6 Speed, 7 Speed
Max Cog Size - 36 Teeth
Max Chain Wrap - 42
Chain Width - 3/32" (Standard)

*See help section.

▼SHIPPING, TAXES & RETURNS

We've been safely sending orders around the world since 2010. There's a handy shipping calculator on the shopping cart page so you can see the cost of postage as soon as you've added it to your basket. Your order will be carefully packed and sent with tracking & insurance, we despatch most orders within 2-3 days but larger items and orders placed before the weekend can take an extra day or two to process.

We accept returns, please notify us within 14 days and ensure the item arrives back with us no later than 30 days after the order was received.

EU Customers – for orders under €150 (excluding shipping), VAT will be collected at checkout, but from 1st July 2026, due to new EU import regulations, there may also be a customs duty payable to the carrier. For orders over €150, all import fees will be payable to the carrier, with nothing collected at checkout.

USA Customers – import fees are now collected at checkout for all orders to the US, so there won’t be any surprise charges when your order arrives.

Other International Customers – local import fees may still apply, charged by your customs office or courier before delivery. These are not collected by us, so please check your local rates before purchasing.

Any applicable fees will appear at checkout.

▼SAFETY & COMPLIANCE
This product complies with the EU General Product Safety Regulation (GPSR). Professional installation and regular inspections are recommended. Due to the product's age, extra care should be taken during use.

EU Authorised Representative - Global Trade Department NI Ltd, Office 834, Unit 6, 100 Lisburn Road, Belfast BT9 6AG, Northern Ireland

▼HELP SECTION

Shifting system - friction means your gear levers don't click when you change gear, when they do click it's referred to as indexed shifting. If you have indexed gear levers they must use the same system as the rear derailleur, if you're using friction levers you can mix and match.

Speed - the number of cogs at the back the derailleur was designed to be used with. This is important with indexed shifting, but with friction shifters you can in theory run any rear mech with any number of cogs, but you are more likely to have issues running high numbers of cogs with mechs from earlier eras.

Max cog size - the amount of teeth on the largest cog of your freewheel/cassette can be no greater than this to work with this derailleur.

Chain wrap - subtract the size of your smallest rear cog from your biggest, then do the same with your chainrings, add the 2 numbers together and you have your chain wrap.

Chain width - generally speaking, derailleurs designed for more than 3 speed use will fit a standard 3/32'' chain, the exception being some Cyclo & Simplex models from around the mid 1900s.


Shipping Notes
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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]
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SKU: 8537059088

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4.6 ★★★★★
Based on 27 reviews
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L
Verified Purchase
LAM
Dallas, US
★★★★★ 5
Excellent resource for Christian parents raising the next generation!
Format: Paperback
I am currently researching and reading materials for a book I’m writing regarding how to build a strong foundation in children before the age of 10. I’ve read quite a few books so far, and I have to say one of my favorites is Grace Based Discipline. The author has done an excellent job, and and her witty humor makes this an enjoyable read! Because of this book, I am ordering the other books that her and her father have written!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 29, 2020
A
Verified Purchase
Ashley
Fort Morgan, US
★★★★★ 5
Finally, a practical parenting book!
Format: Kindle
Prior to reading this book, I didn’t feel confident in my approach to discipline. I would read parenting advice from different sources and sway back and forth from one extreme to the other—overly strict to too lenient. The approach of grace based disciple is balanced. The author recognizes that children will act like children and we shouldn’t expect them all to act like little robots. However, they still need discipline (not punishment!) for their misbehavior. She gave very practical lists of what consequences work best at each age and for each personality type, and went beyond that to say how to truly address the deeper issues associated with the misbehavior. If you are wondering about her view on spanking (because most authors take a very strong stance on this) I think this book is very beneficial no matter which camp you are in. In the appendix, the author addresses spanking in a nonjudgmental way. She gives cautions if you decide to use spanking, and gives cautions if you decide not to use it. My only criticism of this book is that one chapter talks about how we need to recognize the “home country” (personality) of each member of our household and she suggests using an assessment to determine what “country” your child is from. However, you must pay separately for the assessment and it isn’t cheap. This idea of what “country” you and your children are from is referenced again and again in the book so I feel like it should have been included in the appendix. However, this book is still worth it. Don’t let that keep you from buying it.
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Reviewed in the United States on June 29, 2018
E
Verified Purchase
E Tolentino
Louisville, US
★★★★★ 3
Mixed feelings
Format: Paperback
I had the opportunity to finish this book in one day of reading, while my 3 kids spent the day with grandparents. It is a very easy read, very accessible. Karis' style is very informal and she employs a lot of humor (and hyperbole), and that may be refreshing for some, though I found it distracting. I hope my criticisms will not be taken too harshly, and am certainly glad that others have found it inspiring or enlightening! We desperately need more grace based parenting in our homes and churches as we strive to undo the influence and damage of the punitive methods that have marred the face of Christian culture for so long! We need more books like this, that can reach every believing parent where they are, and inspire them to parent with the same grace and wisdom our Heavenly Father employs! All that said, this was my experience reading the book: I felt the numerous anecdotes take up valuable space and time that would be better spent digging into passages of the Word and working through practical application. I was disappointed to not find a whole lot of either. If you are well-read on child development and "alternative" methods of discipline and childrearing (from those considered to be in the "anti-spanking camp"), you will find nothing new here. I didn't care for the rebranding of the classic four temperments and promoting supplemental Family Matters products... You can easily find many free tools and information reguarding personality psychology on the internet, and you will have a much deeper understanding. But personality is a shifty thing in youth anyway, and if you are not inclined to pursue that kind of study, I promise that simply resolving to spend more unstructured time with your children, to slow down and observe them at work or play, to listen with full attention, considering their perspective before answering or judging, you will learn more than what could ever be summerized in a personality type. Pegging a child in any brand of personality typing has it's own drawbacks. It can promote unfair assumptions, lead to misunderstandings, and cause confusion when trying to understand more subtle or complex behaviors and attitudes. I appreciate her reasoning for not digging into the spanking issue in the main content of the book, setting that aside in the appendix in the back. She does a good job highlighting what gracious spanking looks like if you choose to do so. I am of a similar opinion that it is not a crucial point of doctrine and isn't always an issue of abuse or neglect either. It truly is a parent's prerogative and responisibility to consider the Word and the research and their own consience on the matter. If you do spank, follow her guidelines and you will not go wrong! I did find her characterizations of non-spankers, like myself, a bit condescending ("lazy", "fearful"), but to be fair she is addressing the extreme. If only you knew how much effort and time in research and reflection many of us sacrifice to employ better methods! It is very proactive approach and it is difficult work! I think she could have done a better job to include an objective summery of arguments in both camps for better understanding, but I really appreciate her exhorting those in both camps to avoid contention and judgement. It should never be an issue that causes us to break fellowship with a brother or sister! There is a good chapter on what she calls the "3 P's", a helpful framework for discerning the whole truth of God's word. But as far as parenting goes, personally, I didn't find anything new or particularly helpful here. I will be gifting this to a good friend/newer mom who will likely get more out of it than I did. Maybe you will too!
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Reviewed in the United States on July 24, 2018
J
Verified Purchase
J. M. Magrini
Houston, US
★★★★★ 5
Excellent, succinct, intro to Marxism...
Format: Paperback
Richard Wolff’s Understanding Marxism is an excellent and highly accessible populist work that introduces Marx’s critique of the inherent contradictions and inevitable problems that plague – and will continue to plague – capitalism. So, he sets out to show how the contemporary experience and understanding of the relationship between employer-employee emerge from because it is the modern manifestation of the historical distinction, which is hierarchical, oppressive and ultimately “exploitative, between master-slave and Lord-serf - Zizek, in his small text The Relevance of the Communist Manifesto, offers a unique response to this line of critique and reasoning. Above I mention the accessibility of the writing – in fact, there is a crystalline clarity to it - and if you have watched Wolff’s show or listened to his interviews, it’s as if Wolff is speaking in his usual manner that avoids academic jargon and communicates his ideas directly. This is an extremely helpful and useful guide to understanding Marx, and I am hoping many young intelligent politically-minded university students will read it – e.g., those who might be unfamiliar with Marx - because it offers a sensible corrective to the ill-informed Marxist critics on the so-called “intellectual dark web” (IDW) who repeatedly, without properly understanding Marx, scapegoat him and employ him as a bogeyman to enhance the arousal of fear and alarm with their rhetoric. Ultimately, and here I agree with Wolff, Marx might be said – bound intimately with Marx’s notion of “species being” (a term Wolff avoids) – to show why “ending exploitation [is] necessary to actualize social commitments to liberty, equality, brotherhood, and democracy” (36-37). So, instead of a utopian (end-of-history) communist or socialist model for society, Wolff, through his reading of Marx, offers what might be termed a philosophical or even commonsensical (and achievable!) model of what a more socially aware and humanly grounded workplace might look like – one that is Marxist in nature and instantiates people coming together in more “democratic, egalitarian ways.” (71). Wolff also directs readers to primary source material for further study - so, all the quotations included are traced to Marx's original writings, which readers are encouraged to seek out. To conclude, readers must be aware that this pamphlet – indeed, this is what Wolff calls it – does not attempt to serve as a broad or sprawling introduction to Marx and his writings. Thus, when ordering it, be aware that it is not akin to academic introductions and critiques of Marx such as Peter Singer’s Marx: a Very Short Introduction (OUP) or Allen Wood’s Karl Marx (Routledge).
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 20, 2019
A
Verified Purchase
Agamemnon
Los Angeles, US
★★★★★ 5
Excellent Essay
Format: Paperback
Wolff is a one of the best people I know of to deliver a quick handbook to Marx. He delivers a master class on this complicated subject and I have long respected his views on economics and politics.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 15, 2025

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