SKU: 11726111358

Thun NOS Vintage Single 48T Cottered Town/City Crank/Chainset

Sale price$41.40 Regular price$46.00
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Description

Thun NOS Vintage Single 48T Cottered Town/City Crank/ChainsetOriginal part in production from the 1970s to the 1980s New old stock! Still unused after all these years Suitable for historic cycling events such as L'Eroica Worldwide shipping Thun crank chainset, hailing from Germany and in production from the 1970s to the 1980s (yet still new & unused after all this time!). Made from steel and weighing in at 946 grams. A fine choice for keeping your vintage bike authentic, but also great for any other compatible

✓ Original part - in production from the 1970s to the 1980s
✓ New old stock! Still unused after all these years
✓ Suitable for historic cycling events such as L'Eroica
✓ Worldwide shipping

Thun crank/chainset, hailing from Germany and in production from the 1970s to the 1980s (yet still new & unused after all this time!). Made from steel and weighing in at 946 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!

OVERVIEW


Body Condition - New Old Stock*
Chainring Condition - New Old Stock*
Production Era - 1970s & 1980s
Country - German
Material - Steel
Weight - 946 g
Stock Code - D-CS92V

*New old stock items may have marks from storage over the years, and as we often have multiples they can vary from piece to piece, but they are always genuine new & unused items.

TECHNICAL INFO


Chainring Count - Single
Tooth Count - 48
Bottom Bracket Type - Cottered (15.8 mm Axle Diameter)
Chain Width - 1/8"
Crank Arm Length - 170 mm
Pedal Threads - Standard (9/16" x 20 TPI)
Intended Speed* - Single 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: 11726111358

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