Öhlins Outer tube 48/156 AL
02 · Data & docs

The facts.

Technical data
BrandÖhlins
Part Number21010-17
CategoryOuter Tubes
Dimension A48 mm
Dimension B156 mm
Country of OriginSweden
DescriptionThe whole story▼

Outer tube 48/156 AL, Öhlins part number 21010-17. Öhlins anodises the bore where the bushings run.

Key Features

  • Dimension A 48 mm
  • Öhlins part number 21010-17
  • Original Öhlins service part
  • Dimension B 156 mm

What It Is

21010-17 is the 48 mm, 156 mm version — Öhlins lists each size separately. Axle clamps are machined so the axle clamps without pinching the fork out of alignment. Top caps carry the adjusters and the preload mechanism. A marked inner tube destroys seals repeatedly until it is replaced.

Why the Original

Öhlins lists this part under its own number in the service catalogue so a workshop can order exactly what it needs. Parts remain available years after a unit leaves the current price list, which is unusual in this trade. Öhlins parts are unit-specific: a close dimension is not a substitute. For a full rebuild, the seal kit plus the wear parts is usually the sensible order.

How to Be Sure It Fits

Part number 21010-17 is unambiguous; the description alone is not, because Öhlins uses similar wording across sizes. The published dimensions are dimension a 48 mm, dimension b 156 mm — measure the old part against them if you are unsure. Outer tubes hold the bushings and the seal head, so their bore finish matters as much as the inner tube's outside. A marked inner tube destroys seals repeatedly until it is replaced.

Fitting and Setup Service

We are an authorised Öhlins service centre, so you do not have to source the tools and the nitrogen: send us the damper and we rebuild it with the correct parts and the correct setting.

Specifications

  • Brand: Öhlins
  • Part Number: 21010-17
  • Category: Outer Tubes
  • Dimension A: 48 mm
  • Dimension B: 156 mm
  • Country of Origin: Sweden
07 · Support

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