SKU: 20055387977

Stronglight 49D Early 'Marque Deposee' Version Vintage 50.4 BCD 170 mm Right Crank Arm / Spider

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Description

Stronglight 49D Early 'Marque Deposee' Version Vintage 50.4 BCD 170 mm Right Crank Arm / SpiderOriginal part in production from the 1930s to the 1960s Suitable for historic cycling events such as L'Eroica Professionally checked & cleaned Worldwide shipping Stronglight 49D right crank arm spider, hailing from France and in production from the 1930s to the 1960s. Made from aluminium and weighing in at 172 grams. A fine choice for keeping your vintage bike authentic, but also great for any other compatible bike too. If you're taking part in

✓ Original part - in production from the 1930s to the 1960s
✓ Suitable for historic cycling events such as L'Eroica
✓ Professionally checked & cleaned
✓ Worldwide shipping

Stronglight 49D right crank arm/spider, hailing from France and in production from the 1930s to the 1960s. Made from aluminium and weighing in at 172 grams. A fine choice for keeping your vintage bike authentic, but also great for any other compatible bike too.

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 crank!

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

OVERVIEW


Condition - Good
Production Era - 1930s - 1960s
Country - French
Material - Aluminium
Weight - 172 g
Stock Code - U-CA-SR23V

TECHNICAL INFO


Chainring Count - Double/Triple
BCD - 50.4 BCD
Crank Arm Length - 170 mm
Pedal Threads - Standard (9/16" x 20 TPI)
Bottom Bracket Type - Square Taper

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.

HELP SECTION

Chainring Count - the number of chainrings the crank was designed to fit. Fixed gear track bikes, single-speeds and some geared bikes use a single chainring, road bikes commonly use a double (two rings) and most touring bikes and mountain bikes will use a triple chainset (three rings).

BCD - stands for Bolt Circle Diameter (sometimes referred to as PCD - Pitch Circle Diameter), and this needs to match the BCD of your chainring(s). To calculate this, measure the distance in millimeters from the centre of any chainring bolt hole to the centre of an adjacent one and multiply it by 1.709 (you’ll likely need to round the resulting number up or down a little to get your BCD measurement).

Crank Arm Length - this is measured from the absolute centre of the bottom bracket hole to the centre of the hole for the pedal.

Pedal Threads - the pattern of the thread that your pedals screw into, this is usually stamped on the pedals themselves and most bikes use a standard thread of 9/16” x 20 tpi. The exceptions being older French bikes, bikes with cheaper one-piece type chainsets and Shimano’s Dyna Drive system (easily identifiable as the pedal holes are about an inch wide!).

Bottom Bracket Type - ‘square taper’, as the name suggests have a square shaped axle that slots into the crank and ‘cottered’ axles are round and secured by pins - pretty much every bike up until the 1990s would use one of these, cottered being the much earlier system. Since then, different manufacturers have introduced their own systems that are not interchangeable so you must use a crank that matches.


Shipping Notes
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Exchange/Return Notes
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SKU: 20055387977

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Jenny Harris
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★★★★★ 4
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Format: Kindle
I received this book wiht the understanding that I could leave a voluntary and honest review. In this book we meet June Wilder, Rhett Lawson, Cole Thibault, & Elias Nystrom. When this book opens we find that June has just joined the Atlanta Reapers as their new physical trainer. From the moment she starts she knows that she is going to get push back but there is something about not only this team but these guys that have become more to her than she thought when she first started. Rhett is the kind of guy who make a joke with anyone. One night when something happens with June he realizes there is something more than just jokes with her. Cole has been compartmentalized his life for years now. With the addition of June to the team he finds himself finding a person who understands his compartments and lets him be him. Elias is a man who is a an island. When he learns that opening up to one person who sees him allows him to grow and heal in many ways. Can they all find a HEA or will their positions make that impossible? Another amazing story by this author. I would highly recommend it to anyone.
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Reviewed in the United States on December 31, 2025
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Alicia
Battle Creek, US
★★★★★ 5
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Format: Kindle
I really enjoyed the character development. Reading about their growth and dealing with individual issues made good entertainment. Some surprising twists that made the book even better. Really glad we didn't have to go down the angst road where the public got to damage the budding relationships.
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Reviewed in the United States on January 1, 2026
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Jeannie
Pawtucket, US
★★★★★ 5
Great read!
Format: Kindle
Wonderful characters with great humor, a bit of mystery and a strong silent grumpy Sentinel to stand with the leading lady. They make her stronger but she also makes them stronger. I love the dynamics and the way it played out. This was a fun read!. I received a free copy of this book via Booksprout and am voluntarily leaving a review.
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Reviewed in the United States on December 26, 2025
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Lil Ms Reads A LOT
San Leandro, US
★★★★★ 5
June lives her life squarely in the NSFW zone...
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June Wilder has embarked on the career of a lifetime-- the newest head physical trainer for NHL's Atlanta Reapers! She's relatively young for the position, not to mention female. In a male dominated sport, she's hoping to one day earn the trust and respect of the players, coaching staff and the organization.  What she doesn't expect is to be an equal participant in flirty banter and NSFW activities in her office with handsome Right Wing Rhett Lawson. She quickly finds that Team Captain Cole Thibault is a confident and  calming presence in her daily work activities-- and the man she goes on quite possibly the most perfect date with. Then there's Elias Nystrom, the Swedish Goalie who is quiet, HULKING in size, and downright frightens her-- with whom she shares a secret which could get her in hot water if discovered.  Each of these team members intrigues her. Each she has a relationship with that is not entirely permitted as their head physical trainer. As she gets to know each of them better, she's falling deeper for each of them. Will she successfully navigate through the season without losing not only her job but her heart?  What happens when each of the men find out about each other? Will she be asked to choose between them?  This book has everything I look for in a sinfully decadent read-- a strong, independent, and likable FMC; charming, protective, and sexy MMCs; a plot that is entertaining, well thought out and executes some unexpected twists; and has chemistry that explodes off of the pages. Once again author Cassie Cole has expertly achieved all of these things in her latest book "Hat Trick". I'm a big fan of the RH genre. Of all the authors I read, Cassie Cole is far and away my favorite to date. If you read this book, you will not be disappointed!
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Reviewed in the United States on December 1, 2025
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Tracy
San Leandro, US
★★★★★ 4
Hot enough to melt the ice rink
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This was yet another great read by Cassie Cole. June has just started as the trainer for the Atlanta Reapers. Succeeding in this male dominated role is important to her, but the more she learns about these men the more she wonders if some things are worth risking everything for. As their trainer, the men are supposed to be off limits, but they can't deny the pull they each feel. The closer to Cole, Rhett & Elias she becomes the more she realizes that she may not be able to choose between them. Is it worth the risk to her career to continue to pursue a relationship with one of the men.... let alone the risk to all their careers if they would be open to consider a more unconventional relationship. Is love worth the risk? Read this steamy story to find out!. I received a free copy of this book via Booksprout and am voluntarily leaving a review.
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Reviewed in the United States on January 2, 2026

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