Shimano Adamas AX (BR-AD20) Vintage Front Centre Pull Brake Caliper

✓ Original part - produced in the 1980s
✓ Professionally checked & cleaned
✓ Worldwide shipping

Shimano Adamas AX brake caliper, hailing from Japan and in production during the 1980s. Made from aluminium/steel and weighing in at 223 grams. A fine choice for keeping your vintage bike authentic, but also great for any other compatible bike too.

The brake's been 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.


Condition - Good
Model ID - BR-AD20
Production Era - 1980s
Country - Japanese
Material - Aluminium / Steel
Weight - 223 g
Stock Code - U-CPS5V


Position - Front
Caliper Type - Centre Pull
Brake Drop - 53 mm - 67 mm
Brake Fixing - External Hex Nut


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.

We don't charge VAT, however, if buying from outside of the UK please remember that there may be import fees to pay directly to the delivery company before receiving the order. Unfortunately we can’t advise on the exact costs as it varies from country to country, so please check your national rates before purchasing.


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 measurment 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.