SKU: 72779654303

Polygon 590 SQ NOS Vintage Front Brake Caliper

Sale price$24.25 Regular price$26.95
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Ships within 48 hours · Estimated delivery Aug 10 - Aug 15

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Description

Polygon 590 SQ NOS Vintage Front Brake CaliperOriginal part produced in the 1980s New old stock! Still unused after all these years Lightweight for the era just 172 grams Suitable for historic cycling events such as L'Eroica Worldwide shipping Polygon 590 SQ brake caliper, hailing from Taiwan and in production during the 1980s (yet still new & unused after all this time!). Made from aluminium and weighing in at 172 grams pretty lightweight for a brake caliper at that time. A fine choice for

✓ Original part - produced in the 1980s
✓ New old stock! Still unused after all these years
✓ Lightweight for the era - just 172 grams
✓ Suitable for historic cycling events such as L'Eroica
✓ Worldwide shipping

Polygon 590 SQ brake caliper, hailing from Taiwan and in production during the 1980s (yet still new & unused after all this time!). Made from aluminium and weighing in at 172 grams - pretty lightweight for a brake caliper at that time. 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, these are fully compliant - so rest assured, the pre-1987 police won't lock you up for having the wrong brake!

OVERVIEW


Condition - New Old Stock*
Production Era - 1980s
Country - Taiwanese
Material - Aluminium
Weight - 172 g
Stock Code - D-CPS16V

*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


Position - Front
Caliper Type - Single Pivot (Side Pull)
Brake Drop - 45 mm - 55 mm
Brake Fixing - External Hex Nut

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

Position - this determines whether the brake is designed to be used on the front or rear wheel of the bike.

Caliper Type - side pull calipers (single or dual pivot) require nothing more than a brake hole to fix them to as the cable feeds straight into one of the arms, whereas centre pull calipers require a brazed-on or fitted cable hanger to allow the cable to be pulled from the centre.

Brake Drop - measured from the centre of the brake mounting hole to the centre of the wheel rim, measured in a straight line. Your measurement must be within the range of the caliper's given brake drop.

Brake Fixing - this refers to the way the brake is secured to the bike. For recessed allen key fixings the hole to the rear of the the fork crown/brake bridge should measure around 8mm, allowing the allen key head to be inserted and fixed to the brake bolt. External hex nut fixings require a hole of around 6mm, the hex nut is fixed to the protruding part of the brake bolt.

For a more detailed guide on getting the right brakes check out our journal.


Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
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: 72779654303

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Reviewed in the United States on May 14, 2026
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Reviewed in the United States on December 3, 2025
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TheMrs
Chelsea, US
★★★★★ 3
Navy is pretty, but doesn’t feel like a great quality set.
Color: Navy Blue, Size: King
I purchased the Navy. The color is great and the pleated pattern is a nice touch. My daughter has the white and it’s very soft. The navy is not, though. So that was disappointing. It’s also not breathable. It’s not thick, but just not breathable. I actually get pretty warm at night with this one when I don’t normally with any other blankets. It also seems on the small side. We have a king and always buy king, this just feels a little smaller. Doesn’t feel high quality. I would not buy again.
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Reviewed in the United States on October 11, 2025
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Mary
Massapequa, US
★★★★★ 5
Very Elegant!!
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Reviewed in the United States on May 20, 2026
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Tbay
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★★★★★ 5
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Color: Blush, Size: Twin/Twin XL
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