1989 KTM 300 Supermoto Brake Kit: 4-Piston Caliper, Radial Bracket & Hanger

Take your braking to another level.  This Brembo 1989 KTM 300 Front Brake upgrade is a complete supermoto assembly including a 4-piston billet CNC caliper with the radial bracket & hanger to mount to your OEM forks.   More…

$2200.00  Was $2499.90

1989 KTM 300 Supermoto Brake Kit: 4-Piston Caliper, Radial Bracket & Hanger

Take your braking to another level.  This Brembo 1989 KTM 300 Front Brake upgrade is a complete supermoto assembly including a 4-piston billet CNC caliper with the radial bracket & hanger to mount to your OEM forks.   More…

$2200.00  Was $2499.90

1989 KTM 300 Supermoto Brake Caliper Kit — Customizable

This 1989 KTM 300 4-Piston upgrade includes a Brembo 30-34mm Billet Radial Caliper with the Bracket & Hanger to mount to standard OEM forks built to order. We also have full supermoto forks complete with the proper radial-style lugs!

What’s included with this 1989 KTM 300 CNC 4-Piston caliper:

    • Complete 30-34mm Brembo Caliper assembly
    • CNC bracket and titanium bolts
    • Genuine Brembo pads
    • 310-320mm, 5mm thick rotor
    • Titanium rotor bolts
    • Complete Brembo Master Cylinder 14mm+19mm with shorty folding lever
    • Rotor, Master, and brake caliper pistons are available in different sizes
 

Compatibility/Fitment

This is a list of all the years we carry this part for, yet there may be a different part number from year to year. If your bike is listed, no worries; the product will fit your ride. If any mods are done to the bike, please let us know on the checkout page or in a message after purchase so we can send the correct product for your ride.

BrandModelYear
KTMKTM 3001998
KTMKTM 3001999
KTMKTM 3002000
KTMKTM 3002001
KTMKTM 3002002
KTMKTM 3002003
KTMKTM 3002004
KTMKTM 3002005
KTMKTM 3002006
KTMKTM 3002007
KTMKTM 3002008
KTMKTM 3002009
KTMKTM 3002010
KTMKTM 3002011
KTMKTM 3002012
KTMKTM 3002013
KTMKTM 3002014
KTMKTM 3002015
KTMKTM 3002016
KTMKTM 3002017
KTMKTM 3002018
KTMKTM 3002019
KTMKTM 3001985
KTMKTM 3001986
KTMKTM 3001987
KTMKTM 3001988
KTMKTM 3001989
KTMKTM 3001990
KTMKTM 3001991
KTMKTM 3001992
KTMKTM 3001993
KTMKTM 3001994
KTMKTM 3001995
KTMKTM 3001996
KTMKTM 3001997
KTMKTM 3002020
KTMKTM 3002021
KTMKTM 3002022
KTMKTM 3002023
KTMKTM 3002024
KTMKTM 3002025
KTMKTM 3002026

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1989 KTM 300 Supermoto Brake Kit: 4-Piston Caliper, Radial Bracket & Hanger 1989 KTM 300 Supermoto Brake Kit: 4-Piston Caliper, Radial Bracket & Hanger
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Do you release the brake kits for 2025 DR-Z 4SM? Ernie asked on November 29, 2025

Yes we have them for the new drz models as well now.

 Boston Morse answered on November 30, 2025 store manager
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Hey,The 2005 SM 450 brake upgrade. I would want the system that seamlessly bolts to the fork leg, instead of using an adapter bracket. Assuming I need to change the fork foot. Do you have those? Bill Scott asked on October 29, 2025

Would be possible with our KYB fork upgrade.

 Boston Morse answered on October 31, 2025 store manager
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Would this be compatible with a 2025 Honda CRF 450 LR ?. Cause I’m making a supermodel build for the track and if this is compatible, it would be great Yadiel asked on May 21, 2025

yes

 Boston Morse answered on May 25, 2025 store manager
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Q & A

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1989 KTM 300 Supermoto Brake Kit: 4-Piston Caliper, Radial Bracket & Hanger 1989 KTM 300 Supermoto Brake Kit: 4-Piston Caliper, Radial Bracket & Hanger
Your question
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Name
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Do you release the brake kits for 2025 DR-Z 4SM? Ernie asked on November 29, 2025

Yes we have them for the new drz models as well now.

 Boston Morse answered on November 30, 2025 store manager
(0) (0)
Add an answer
Your answer
* Answer is required
Name
* Name is required
* Please tick the checkbox to proceed
This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.
Hey,The 2005 SM 450 brake upgrade. I would want the system that seamlessly bolts to the fork leg, instead of using an adapter bracket. Assuming I need to change the fork foot. Do you have those? Bill Scott asked on October 29, 2025

Would be possible with our KYB fork upgrade.

 Boston Morse answered on October 31, 2025 store manager
(0) (0)
Add an answer
Your answer
* Answer is required
Name
* Name is required
* Please tick the checkbox to proceed
This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.
Would this be compatible with a 2025 Honda CRF 450 LR ?. Cause I’m making a supermodel build for the track and if this is compatible, it would be great Yadiel asked on May 21, 2025

yes

 Boston Morse answered on May 25, 2025 store manager
(0) (0)
Add an answer
Your answer
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FAQ

Is Shipping Included?

Yes, there is free shipping on all 1989 KTM 300 Supermoto Brake Kit: 4-Piston Caliper, Radial Bracket & Hanger‘s in the continental US.

Is fitment guaranteed?

Yes, when all options are selected for the 1989 KTM 300 Supermoto Brake Kit: 4-Piston Caliper, Radial Bracket & Hanger, fitment is guaranteed.

Do you ship worldwide?

Yes, we ship all products internationally for an additional cost. Additional shipping costs for a product will show when your region is selected on the checkout page under shipping.

What is your product return policy?

With any 1989 KTM 300 Supermoto Brake Kit: 4-Piston Caliper, Radial Bracket & Hanger for sale online, PayPal, Apple Pay, Google Pay and credit card are covered by a 30-day return/replace policy if the product is defective or if you don’t receive what you ordered. But since most products we offer are customized to your order, we cannot accept returns and provide refunds for non-warranty reasons (but our products are easy to sell on eBay or Craigslist!). Read more here.

How do I speak with a live agent?

Use the Q&A feature on any product page (see the Q&A tab on this page, for example) where you can get product-specific answers to your questions, OR get one-on-one pro help by phone or video using our Pro Direct Connect service.
1989 KTM 300 Supermoto Brake Kit: 4-Piston Caliper, Radial Bracket & Hanger 1

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Free Shipping

Free shipping
within the continental US.

Product Options

Upgrades and/or product condition
options are available for this part.

Product Guarantee!

Compatibility and quality is guaranteed!
Return defective items within 30 days.

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