SKU: 25000681761

Unbranded Vintage Single 48T Cottered Town/City Crank/Chainset

Sale price$41.40 Regular price$46.00
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Description

Unbranded Vintage Single 48T Cottered Town/City Crank/ChainsetOriginal part in production from the 1970s to the 1980s Suitable for historic cycling events such as L'Eroica Professionally checked & cleaned Worldwide shipping Unbranded vintage crank chainset, most likely in production from the 1970s to the 1980s. Made from steel and weighing in at 979 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

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

Unbranded vintage crank/chainset, most likely in production from the 1970s to the 1980s. Made from steel and weighing in at 979 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 chainset!

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

OVERVIEW


Body Condition - Very Good
Chainring Condition - Excellent
Production Era - 1970s & 1980s
Material - Steel
Weight - 979 g
Stock Code - U-CS97V

TECHNICAL INFO


Chainring Count - Single
Tooth Count - 48
Bottom Bracket Type - Cottered (15.8 mm Axle Diameter)
Chain Width - 3/32" (Standard)
Crank Arm Length - 170 mm
Pedal Threads - Standard (9/16" x 20 TPI)
Intended Speed* - 6 Speed, 7 Speed
Bike Type* - Town/City

*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.

HELP SECTION

Chainring Count - the number of chainrings on the chainset. 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).

Tooth count - the number of teeth on the chainring(s), the higher the number the harder the gear.

Chain width - this is only relevant for chainsets with a single chainring - if this is ⅛” then you must use a ⅛” chain. All double and triple (and some single) ring chainsets will use a standard 3/32” chain.

BCD - stands for Bolt Circle Diameter (sometimes referred to as PCD - Pitch Circle Diameter) and is only really needed when changing chainrings. To calculate the BCD, measure the distance in millimeters from the centre of any chainring bolt 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).

*Intended speed - the number of cogs at the back the chainset was designed to be used with. We refer to it as ‘intended’ speed as most double and triple chainsets will actually work with different speeds than originally intended, but the further away you get from the intended speed the more likely you are to experience minor setup issues. The exception being some chainsets intended for 10 speed use or higher, with these it’s better to stick to the intended speed.

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 thread type to match that of the chainset, this must match and 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 chainset 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 chainset that matches.


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]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 25000681761

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A
Verified Purchase
Alex L.
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★★★★★ 5
Great book nice addition to howe library
Format: Paperback
The kid i bought it for loves it and rereads often. The paper is the nice shiny kind and colorful
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Reviewed in the United States on September 13, 2025
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Massapequa, US
★★★★★ 5
Another glimpse of the boy-behind-the-bat, with humor and heart; 4.5 stars
Format: Kindle
1st Line: "This is Gotham City." Review: This new graphic novel, of a pre-Batman Bruce Wayne as a kid, opens in a Gotham City already all but decimated by crime and corruption. But with all its horrors, the worst of them for the young, rich, highly-intelligent but otherwise nerdy Bruce Wayne, orphaned after the murders of his parents, is none other than the Gotham Preparatory School for the Really, Really Gifted - his middle school. Here, all the students have some form of super power or another (The Flash, Wonder Woman, Superman, Penguin, Catwoman, and more - all started off in middle grade here) ... except for Bruce, who only got into the school because his parents funded the building of it before their deaths, and remains a target for bullies for not having any powers of his own. But when fellow student Jack Napier, himself having no super powers except for conning his way into the school, begins bullying Bruce's friend, elementary student Dick Grayson, Bruce becomes determined to strike back - thus beginning his ascent to a career as a vigilante, even as his loyal butler Alfred and the school's vice-principal forbid it. But will Bruce get it together in time to foil Jack's plans for the Crime of the Semester? And what of Bane, Jack's new sidekick, who would be a formidable foe even for someone with superpowers? Bruce Wayne: Not Super is terrific; a comedic look at the young, super-smart yet geeky Bruce completely out of his element as a young kid, formerly with the attention span of a goldfish, who may have finally found his calling. Also nice are the glimpses of a number of future DC superhero icons in their youth, but the story really does belong to the humor of Bruce wanting to save his city, agreeing to take a hyperactive Robin in tow as his sidekick, with no knowledge of how to fight and an arsenal of weapons thrown together in minutes - and potentially of harm more to the user than the bad guy - all while Alfred says no and remains in constant threat of sending the future Batman to his room. The poor kid, after all, can't even put a bat costume together; in it, he's mistaken for everything from a badger to a rat to even a prairie dog. Bruce pushes past it all, his pluck and determination to save Gotham City one villain at a time his true calling, and among writer Stuart Gibbs glib and funny humor and Berat Pekmezci's bursting-with-color art, the very basic but heartfelt beginnings of the boy who'd grow to become The Bat shines through. It's really good. So good, I already itch for a sequel. 4.5/5 stars
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Reviewed in the United States on March 14, 2023
J
Verified Purchase
J. Dieterle
Dallas, US
★★★★★ 4
Fun story with familiar characters
Format: Paperback
4 stars = Great! Might re-read. This was fun! I enjoyed the illustrations and getting to scan the crowd scenes for more DC characters. I enjoyed Bruce's journey. I didn't love the portrayal of Clark Kent here, but the rest of this was fun. I would definitely read more of these if there are going to be sequels. There's a one-star review here that is completely on target in their assessment of some of the liberties taken in the book. Buyer/reader will have to decide if those observations will lead you to skip this one or if you can set aside those internal inconsistencies to accept the story as is.
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Reviewed in the United States on April 15, 2023
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Avid Reader
Chelsea, US
★★★★★ 5
Fun for kids and those kids at heart!
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When I was a kid around 8 or 9 years old, we would go to an outdoor theatre, a special treat. I remember the old 1960's era Batman movies playing on the screen. It was fun, exciting, heroic...all those things that made it pure enjoyment. When I think of recent Batman movies that have turned dark, deadly, desperate, all the fun has gone out of those experiences and I simply don't watch those movies. This is simply a long way of saying that this book, Bruce Wayne: Not Super, brought back all the fun I experienced as a kid. Here we have our hero, who doesn't think he is, who compares himself to everyone around him with supernatural abilities, and begins to grow desperate. The background story is essentially the same: dead parents, rotten town, etc. But we see life from his perspective and can root for him all the way. He goofs up, makes lots of mistakes and this makes him even more lovable. This book is prefect for readers young and old, and if this made into a movie, I guarantee you that I would watch it. Highly recommended.
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Reviewed in the United States on April 4, 2024
M
Meg Christine
Lexington, US
★★★★★ 5
Fun Story For Any Age Fan
Format: Paperback
Bruce Wayne is the only kid at his middle school without some kind of special powers. He wants to make a difference in Gotham but he thinks he doesn’t stand a chance compared to all of the other students with impressive skills. Bruce Wayne: Not Super follows Bruce’s journey to finding out what makes him special. This middle grade graphic novel is very well done. I was already familiar with much of the author, Stuart Gibbs’ work. His style and sense of humor carry over well to this type of comic. The illustrations pair nicely and are done in a lighter style than more adult Batman comics. Bruce Wayne: Not Super would be a good introductory book for younger Batman fans or a fun addition for collectors of any age to add to their stash. I don’t know if the author has worked with DC before but I’d love to see more collaborations in the future for more middle grade graphic novels. I voluntarily read and reviewed an advanced copy of this book. All thoughts and opinions are my own. Thank you to NetGalley and DC Entertainment (DC Comics)!
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Reviewed in the United States on March 17, 2023

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