Motorcycle Shock Shaft Dust & Oil Seal Kits

Motorbike shocks use a damping shaft that slides inside the main shock absorber body. To keep all the oil and nitrogen pressure inside that casing there is a lower seal head assembly between the two.

Rear dampers have multiple defences in there - an oil seal deep inside, a dust wiper on the outside, a rod bushing to keep it sliding concentrically, a rubber o-ring sealing the outer diameter and a rebound top out bumper facing inwards. That bump stop can be a rubber ring or a small steel coil spring, and it makes sure no damage happens if the shock piston bumps into the bottom case (like when you jump the bike).

We offer genuine factory KYB & Showa seals sets for motorcycle shocks - each with an inner suspension fluid seal & outer mud scraper plus other important components when rebuilding lower body cases.

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Teknik Shock Dust & Oil Seal Set
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Motorbike shocks use a damping shaft that slides inside the main shock absorber body. To keep all the oil and nitrogen pressure inside that casing there is a lower seal head assembly between the two.

Rear dampers have multiple defences in there - an oil seal deep inside, a dust wiper on the outside, a rod bushing to keep it sliding concentrically, a rubber o-ring sealing the outer diameter and a rebound top out bumper facing inwards. That bump stop can be a rubber ring or a small steel coil spring, and it makes sure no damage happens if the shock piston bumps into the bottom case (like when you jump the bike).

We offer genuine factory KYB & Showa seals sets for motorcycle shocks - each with an inner suspension fluid seal & outer mud scraper plus other important components when rebuilding lower body cases.

Although we sell the oil seal and the dirt wiper as separate individual servicing parts, these rebuild collections sit between them and our complete overhaul kits.

To service the coilover end case you will need to remove the shock spring, so read our article on how to do it safely. It's a perfect opportunity to swap springs to the right spring rate for your weight too.