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).

These metal ring bushings keep the suspension shafts mounted centrally in the cases & sliding easily. We also sell complete assembled replacement seal heads to save time servicing your coilover shocks.

Showa Guide Bush - 14 x 16 x 10mm

Showa Genuine Parts
(SKU: R27501401)

$7.61
Special Order

Showa Guide Bush - 16 x 18 x 12mm

Showa Genuine Parts
(SKU: R27501602)

$17.12
Special Order

Showa Guide Bush - 12.5 x 14.5 x 8mm - 7mm alt

Showa Genuine Parts
(SKU: R27512501)

$4.75
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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Motorcycle Shock Seal Case Shaft Bush