
The facts.
| Product | Zero Friction front fork oil |
|---|---|
| Brand | Wilbers |
| Viscosity | SAE 5 |
| Pack sizes | 1 litre, 6 × 1 litre, 12 × 1 litre, 20 litre canister |
| Part numbers | 610-0105-00 (1 l), 610-5105-06 (6 × 1 l), 610-5105-12 (12 × 1 l), 610-0105-20 (20 l) |
DescriptionThe whole story▼
SAE 5 is a viscosity that many current sport and road forks with cartridge damping are designed for. Wilbers offers it in its Zero Friction range, which the company developed in the Wilbers-BMW-Racing team that competes in the IDM Superbike championship. Check your fork manual: if it names SAE 5, this is the Wilbers oil to use.
Key Features
- Viscosity SAE 5
- Developed in the Wilbers-BMW-Racing IDM Superbike team
- For cartridge and damper rod forks
- 1 litre, 6 or 12 bottle pack, 20 litre canister
Why modern forks need good oil
Today's telescopic forks control the damping with shim stacks on pistons inside open or closed cartridges. These valves react to the oil much more sensitively than the simple drilled holes of older two-tube forks. A cheap oil that foams or thins out when hot shows up directly in how the fork works.
SAE 5 and the Wilbers products
Wilbers also specifies SAE 5 for some of its own fork products; the spec sheets of its forks and cartridges name the oil for each. For racing use Wilbers additionally offers GP5, a further development in the same viscosity.
Changing the oil
Fork oil ages even when the bike is ridden little, because it collects wear particles from bushes and seals. Many manufacturers recommend a change every two years or after a set mileage. Riders who ride hard change sooner.
Pack sizes
Most road bikes need about one litre for a full service of both legs. Workshops save with the six or twelve bottle packs or the 20 litre canister.
Specifications
- Product: Zero Friction front fork oil
- Viscosity: SAE 5
- Pack sizes: 1 l, 6 × 1 l, 12 × 1 l, 20 l
- Part numbers: 610-0105-00, 610-5105-06, 610-5105-12, 610-0105-20
FitmentWhich bikes this fits▼
Universal product — Please check whether it fits your bike.
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