Your rear shock absorber has a complex internal thick metal disc with machined passages flowing between both flat sides, and to make sure the suspension fluid can only flow through these holes, a rubber o-ring and a teflon coated bush (or a soft PTFE band) seal around the outer diameter.

These OEM KYB & Showa main piston assemblies include the rubber o-rings & metal bushing rings or outer gapless bands already installed - we sell them individually too. The valving shims are then stacked on both sides, a collection of thin steel washers that flex when pushed by the oil pressure. They come in a huge range of diameters & thicknesses and are arranged in a very specific order with valve stop washers to create the right damping characteristics, with compression stack on one side, and rebound on the other. The piston & stacks are then locked to the end of the shock shaft using a locknut.

Showa Genuine Parts Piston 50/16mm

Showa Genuine Motorcycle Suspension Parts
(SKU: R24005003)

$108.00
8 In Stock

Showa Genuine Parts Piston 50/16mm

Showa Genuine Motorcycle Suspension Parts
(SKU: R24005004)

$108.00
2 In Stock

Showa Genuine Parts Piston 50/18mm

Showa Genuine Motorcycle Suspension Parts
(SKU: R24005005)

$132.00
1 In Stock

Showa Genuine Parts Piston 50/16mm

Showa Genuine Motorcycle Suspension Parts
(SKU: R24005006)

$96.00
3 In Stock

Kayaba (KYB) Genuine Parts Piston complete rcu 12x12x40

Original KYB Japan Motorcycle Suspension Parts
(SKU: 120204000301)

$173.35
Special Order

Kayaba (KYB) Genuine Parts Piston complete rcu 44mm

Original KYB Japan Motorcycle Suspension Parts
(SKU: 120204400101)

$173.35
Special Order

Kayaba (KYB) Genuine Parts RCU Shock Main Piston Complete - 46mm - 1995-1999

Original KYB Japan Motorcycle Suspension Parts
(SKU: 120204600301)

$132.00
Coming Soon

Kayaba (KYB) Genuine Parts RCU Shock Main Piston Complete - 50mm - LTR450 06 rear

Original KYB Japan Motorcycle Suspension Parts
(SKU: 120205000101)

$133.43
Special Order

Teknik Shock Absorber Piston Bush with Piston (50x14.55x1.50) -Showa

Super Low Friction
(SKU: LFPB-50145515)

$220.00
Nil Stock

Showa Piston - 40mm

Showa Genuine Motorcycle Suspension Parts
(SKU: R24000005)

$133.44
Special Order

Showa Genuine Parts Piston 40/12

Showa Genuine Motorcycle Suspension Parts
(SKU: R24004002)

$48.00
Special Order

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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.

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Internal record keeping.
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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.
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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.

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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.

Motorcycle Shock Piston & Seals Assembly

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Terms & Conditions

Privacy Policy

1. WHAT WE COLLECT

2. WHAT WE DO WITH THE INFORMATION WE GATHER

3. SECURITY

4. HOW WE USE COOKIES

5. CONTROLLING YOUR PERSONAL INFORMATION