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DEXTER RACING Item number: DEX20131
DEXTER RACING

Front disc brake set -DEXTER RACING- Vespa PK50, PK50S, PK50 SS (swingarm like V50)

Core features PK 1st series brake kit

Arm made from high-strength aluminum alloy, manufactured entirely from solid material
Wheel hub in original design
4-piston brake calliper with radial mount, hole spacing 82 mm
Integrated anti-dive system
No modifications to original fork and original mudguard required
Compatible with 10 inch tubular rims
Fully reversible
Very high braking performance even at high speeds
699,00 €*
available immediately
Shipping weight 5 kg
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Dexter Racing - Brake kit front disc brake for PK forks of the 1st series

Conversion kit from drum to disk for the first series of Vespa PK forks. The fork and mudguard remain unchanged, only the swingarm is replaced. The conversion is fully reversible and provides noticeably more braking power at high speed. Please refer to the information box on fork variants by market to select the appropriate version.

Important: PK fork variants depending on the country

In some countries (e.g. Italy, Austria; in some cases the Netherlands), PK models were delivered with short-swinging smallframe forks with V50 characteristics, which leads to greater dipping when braking. In Germany, PK models are predominantly found with a longer swingarm (PX-like geometry). Please check briefly before buying:
Rubber stopper: If you have a rubber stopper (approx. Ø3cm) on the swingarm side in the center of the wheel, you have a short swingarm => the set offered here fits.
If you do not see a round rubber plug but only a plastic cover with a length of approx. 13cm, you have a long swingarm - the set does not fit here.
Parts notes: Parts lists sometimes explicitly state "PK (ital.)" - this indicates the short smallframe swingarm.
If unsure: submit a photo of the front in side view and the frame prefix (e.g. V5X...) to support - we will be happy to check for you which version you have.
PK 1st series Plug and Play Swap swingarm instead of frame work 4 piston radial caliper Integrated Anti Dive Compatible with 10 inch tubular rims Fully reversible

Field of application

Conversion of 1st series PK forks from drum to disk
Fork and mudguard remain intact, no drilling or milling
Reversible by simply replacing the swingarm
For sporty road, long distance and trackdays

Concept and effect

Anti-dive through defined damper linkage at axle height
Later braking points and stable front wheel guidance
High braking performance, low fade even at speed
Original look of the wheel hub

Technical details

Swingarm: CNC machined from solid, high-strength aluminum alloy
Wheel hub: original design, matching the PK 1st series
Brake calliper: 4 pistons, radial, 82 mm mount
Anti-dive: integrated design, reduced dipping tendency
Rims: 10 inch tubular rims compatible
Installation: plug and play, no frame work, retrofittable

Note

Depending on national regulations, registration may be required. Please check the local legal situation.

FAQ - Frequently asked questions about the PK 1st series brake kit

No. The original fork and mudguard remain unchanged. The conversion is carried out by replacing the swingarm and is completely reversible.
Designed for 4-piston calipers with 82 mm radial mount. Depending on the caliper, suitable adapters and pads must be selected.
The defined damper linkage at axle height significantly reduces dive. The result: a more stable front end, later braking points and smoother braking even on undulating surfaces.
Compatible with 10 inch tubular rims. For accessory rims, please check the offset and clearance of the brake.
That depends on the national regulations. Please check the local legal situation and possible expert opinions.
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