RCU Rear Shock Absorber Main Coil Spring

US customers; Orders are being processed manually due to tariff restrictions. Please email sales@teknikmotorsport.com to place an order.

Genuine OEM Kayaba Motorcycle Suspension Parts: Rear Shock Spring each

64.0 / 66.0mm inner diameter x 275mm free length

Sold Individually

Warranty covers defect in material and workmanship in the KYB product. KYBs sole and exclusive obligation under this warranty is limited to the exchange/replacement of a defective KYB product in accordance with this limited warranty. There is no warranty on vehicles used in competition or used in a competition like manner.

SKU	12053-64-66-275
Brand	Kayaba (KYB) Genuine Motorcycle Parts
Shipping Weight	2.0000kg
Shipping Size	0.110 x 0.110 x 0.330m
Unit Of Measure	ea
Type	KYB Springs
Format	No Format Defined

See our Shipping Information See our Frequently Asked Questions

If your Motorcycle is listed below, this product will suit:

Spring Large ID (mm)	66.0
Spring Small ID (mm)	64.0
Spring Free Length (mm)	275

Related products

HiCalibre Shock Spring 63.5/65.5 x 275 (64_66-275) Common Fitment Yamaha YZ 250F 450F late model

999 In Stock

HiCalibre Shock Spring 63.5/65.5 x 275 (64_66-275)

Proudly made in the USA(SKU: 20-135)

From $245.00

Kayaba (KYB) Genuine Parts Spring retainer alu 50mm YZ450F 2010- YZ250F 2014-

2 In Stock

Kayaba (KYB) Genuine Parts Spring retainer alu 50m

Original KYB Japan Motorcycle Suspension Parts(SKU: 120455000301)

$42.86

HiCalibre Shock Spring 55 X 250 Common Fitment Yamaha Tenere T700 2025-

999 In Stock

HiCalibre Shock Spring 55 X 250 Common Fitment Yam

Proudly made in the USA(SKU: 20-058)

From $245.00

More From This Category

HiCalibre Shock Spring 57 x 155 Common Fitment Street Bikes

999 In Stock

HiCalibre Shock Spring 57 x 155 Common Fitment Str

Proudly made in the USA(SKU: 20-040)

From $295.00

Eibach ERS Shock Springs 64 x 254

10 In Stock

Eibach ERS Shock Springs 64 x 254

Made in the USA (QS9000) or Germany (ISO16949)(SKU: 1000.250)

RRP $224.99
From $181.50

HiCalibre Shock Spring 52 x 160 Common Fitment Ohlins TTX. Yamaha YZF-125 Triumph Speed Triple

999 In Stock

HiCalibre Shock Spring 52 x 160 Common Fitment Ohl

Proudly made in the USA(SKU: 20-016)

From $295.00

HiCalibre Shock Spring 60 x 230 Progressive KTM EXC 2017 on

999 In Stock

HiCalibre Shock Spring 60 x 230 Progressive KTM EX

Proudly made in the USA(SKU: 20-071)

From $245.00

HiCalibre Shock Spring 56/61 x 257 Common Fitment Kawasaki KLX 250 Suzuki DR650

999 In Stock

HiCalibre Shock Spring 56/61 x 257 Common Fitment

Proudly made in the USA(SKU: 20-051)

From $245.00

HiCalibre Shock Spring 63.5/65.5 x 258 (Eibach 897) Common fitment KX450 YZ450F 50mm KYB

999 In Stock

HiCalibre Shock Spring 63.5/65.5 x 258 (Eibach 897

Proudly made in the USA(SKU: 20-115)

From $245.00

Eibach ERS Shock Springs 51 x 127

5 In Stock

Eibach ERS Shock Springs 51 x 127

Made in the USA (QS9000) or Germany (ISO16949)(SKU: 0500.200)

From $181.50

HiCalibre Shock Spring 32.5 x 120 Common Fitment Honda CRF XR 50

999 In Stock

HiCalibre Shock Spring 32.5 x 120 Common Fitment H

Proudly made in the USA(SKU: 20-002)

From $295.00

HiCalibre Shock Spring 59 x 210 Common Fitment KTM 790 890 R

999 In Stock

HiCalibre Shock Spring 59 x 210 Common Fitment KTM

Proudly made in the USA(SKU: 20-049)

From $295.00

HiCalibre Shock Spring 60 x 170

999 In Stock

HiCalibre Shock Spring 60 x 170

Proudly made in the USA(SKU: 20-060)

From $295.00

HiCalibre Shock Spring 60 x 140

999 In Stock

HiCalibre Shock Spring 60 x 140

Proudly made in the USA(SKU: 20-055)

From $295.00

HiCalibre Shock Spring 55 x 240 Common Fitment Honda CRF150R Suzuki RM85 Kawasaki KX85 Beta XTrainer

999 In Stock

HiCalibre Shock Spring 55 x 240 Common Fitment Hon

Proudly made in the USA(SKU: 20-030)

From $245.00

HiCalibre Shock Spring 46.3 x 130 Common Fitment KTM 50SX

999 In Stock

HiCalibre Shock Spring 46.3 x 130 Common Fitment K

Proudly made in the USA(SKU: 20-005)

From $245.00

HiCalibre Shock Spring 63.5/62.6 x 195 Common Fitment : Street bikes 46mm Showa

999 In Stock

HiCalibre Shock Spring 63.5/62.6 x 195 Common Fitm

Proudly made in the USA(SKU: 20-087)

From $295.00

Eibach ERS Shock Springs 60 x 250

999 In Stock

Eibach ERS Shock Springs 60 x 250

Made in the USA (QS9000) or Germany (ISO16949)(SKU: 250-60)

From $181.50

HiCalibre Shock Spring 57 x 203 Common Fitment Street Bikes

999 In Stock

HiCalibre Shock Spring 57 x 203 Common Fitment Str

Proudly made in the USA(SKU: 20-047)

From $295.00

Eibach EMS Moto Rear Shock Spring Kit 62.2 x 265 KTM Husky Gas Gas Linkage 2011-2022

999 In Stock

Eibach EMS Moto Rear Shock Spring Kit 62.2 x 265 K

Made in the USA (QS9000) or Germany (ISO16949)(SKU: 898)

From $249.94

Eibach ERS Shock Springs 57 x 152

999 In Stock

Eibach ERS Shock Springs 57 x 152

Made in the USA (QS9000) or Germany (ISO16949)(SKU: 0600.225)

From $181.50

HiCalibre Shock Spring 45 x 134 Common Fitment Honda XR CRF 100 125

999 In Stock

HiCalibre Shock Spring 45 x 134 Common Fitment Hon

Proudly made in the USA(SKU: 20-007)

From $295.00

HiCalibre Shock Spring 51/54 x 288 Common Fitment Honda CRF 125F 150F NX650 Yamaha TTR110 125

999 In Stock

HiCalibre Shock Spring 51/54 x 288 Common Fitment

Proudly made in the USA(SKU: 20-020)

From $295.00

© 2026 Teknik Motorsport Pty Ltd. ABN: 29137380324. All rights reserved.

Welcome to our website. If you continue to browse and use this website, you are agreeing to comply with and be bound by the following terms and conditions of use, which together with our privacy policy govern Teknik Motorsport Pty Ltd’s relationship with you in relation to this website. If you disagree with any part of these terms and conditions, please do not use our website.

The term ‘Teknik Motorsport Pty Ltd’ or ‘us’ or ‘we’ refers to the owner of the website whose registered office is 4/5 Harford St, JAMISONTOWN, NSW, 2750, AUSTRALIA. Our ABN is 29137380324. The term ‘you’ refers to the user or viewer of our website.

The use of this website is subject to the following terms of use:

The content of the pages of this website is for your general information and use only. It is subject to change without notice.
Neither we nor any third parties provide any warranty or guarantee as to the accuracy, timeliness, performance, completeness or suitability of the information and materials found or offered on this website for any particular purpose. You acknowledge that such information and materials may contain inaccuracies or errors and we expressly exclude liability for any such inaccuracies or errors to the fullest extent permitted by law.
Your use of any information or materials on this website is entirely at your own risk, for which we shall not be liable. It shall be your own responsibility to ensure that any products, services or information available through this website meet your specific requirements.
This website contains material which is owned by or licensed to us. This material includes, but is not limited to, the design, layout, look, appearance and graphics. Reproduction is prohibited other than in accordance with the copyright notice, which forms part of these terms and conditions.
All trademarks reproduced in this website, which are not the property of, or licensed to the operator, are acknowledged on the website.
Unauthorised use of this website may give rise to a claim for damages and/or be a criminal offence.
From time to time, this website may also include links to other websites. These links are provided for your convenience to provide further information. They do not signify that we endorse the website(s). We have no responsibility for the content of the linked website(s).
Your use of this website and any dispute arising out of such use of the website is subject to the laws of Australia.

This privacy policy sets out how we use and protect any information that you give us when you use this website.

We are committed to ensuring that your privacy is protected. Should we ask you to provide certain information by which you can be identified when using this website, then you can be assured that it will only be used in accordance with this privacy statement.

1. WHAT WE COLLECT

We may collect the following information:

name and job title
contact information including email address
demographic information such as postcode, preferences and interests
other information relevant to customer surveys and/or offers

2. WHAT WE DO WITH THE INFORMATION WE GATHER

We require this information to understand your needs and provide you with a better service, and in particular for the following reasons:

Internal record keeping.
We may use the information to improve our products and services.
We may periodically send promotional emails about new products, special offers or other information which we think you may find interesting using the email address which you have provided.

3. SECURITY

We are committed to ensuring that your information is secure. In order to prevent unauthorised access or disclosure, we have put in place suitable physical, electronic and managerial procedures to safeguard and secure the information we collect online.

We take all reasonable steps to keep secure any information which we hold about you.
Personal information may be stored both electronically on our computer system, and in hard-copy form.
Firewalls, 2048 Bit v3 SSL encryption, passwords, anti-virus software and email filters act to protect all our electronic information.
We do not store credit card information, we securely submit credit card information to our bank for processing.
We will not sell, distribute, lease or disclose your personal information to third parties (unless we are required by law to do so).
We may use your personal information to occasionally send you promotional information about our products and services which we think you may find interesting.
Should you wish to have your personal information removed or updated, or you would like to stop receiving advertising please CONTACT US.

4. HOW WE USE COOKIES

A cookie is a small file which asks permission to be placed on your computer's hard drive. Once you agree, the file is added and the cookie helps analyse web traffic or lets you know when you visit a particular site. Cookies allow web applications to respond to you as an individual. The web application can tailor its operations to your needs, likes and dislikes by gathering and remembering information about your preferences.

We use traffic log cookies to identify which pages are being used. This helps us analyse data about webpage traffic and improve our website in order to tailor it to customer needs. We only use this information for statistical analysis purposes and then the data is removed from the system.
Overall, cookies help us provide you with a better website by enabling us to monitor which pages you find useful and which you do not. A cookie in no way gives us access to your computer or any information about you, other than the data you choose to share with us.
You can choose to accept or decline cookies. Most web browsers automatically accept cookies, but you can usually modify your browser setting to decline cookies if you prefer. This may prevent you from taking full advantage of the website.

LINKS TO OTHER WEBSITES Our website may contain links to other websites of interest. However, once you have used these links to leave our site, you should note that we do not have any control over that other website. Therefore, we cannot be responsible for the protection and privacy of any information which you provide whilst visiting such sites and such sites are not governed by this privacy statement. You should exercise caution and look at the privacy statement applicable to the website in question.

5. CONTROLLING YOUR PERSONAL INFORMATION

You may choose to restrict the collection or use of your personal information in the following ways:

whenever you are asked to fill in a form on the website, look for the box that you can click to indicate that you do not want the information to be used by anybody for direct marketing purposes
if you have previously agreed to us using your personal information for direct marketing purposes, you may change your mind at any time by CONTACTING US.