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Top sellers

Piston Pin Circlip Malossi G-Clip 10mm

High-quality replacement gudgeon pin circlips from Malossi for 10mm and...

CAD$ 0.99
Variator Roller Weights Malossi

The HAT weights are very durable and self lubricating. Available in a...

CAD$ 17.99
Tire IRC MB99

IRC high quality dual-Purpose scooter tires that provide good traction...

CAD$ 69.99
Variator Roller Weights Motoforce

Budget weights by Motoforce, choice of weights. Available in a range of...

CAD$ 8.99
Reed Valve Gasket Minarelli Horizontal

Replacement reed valve gasket for all Minarelli Horizontal engines.

CAD$ 1.99
Downhill Dragbar Race

In order to offer optimal handling, a dragrace handlebar should be...

CAD$ 39.99
Spark plug BR8HS (Removable Tip)

The thermal grade of the spark-plug is of prime importance with tuning...

CAD$ 5.99
Exhaust Gasket Minarelli

We can offer high-quality exhaust gaskets for all common original, sport...

CAD$ 2.99

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New products

Crankshaft Top Performances TPR Factory 47mm stroke/98mm conrod Piaggio

Made from high-strength alloy steel with full plate half-shafts, and...

CAD$ 1,099.99
Cylinder kit Top Performances TPR Factory 100cc RC-ONE (Flanged Mount)

The new aluminium thermal kit represents a performance and technical...

CAD$ 999.99
Rear Hub Multi Bolt Pattern 4x110, 3x80 Yamaha Bws/Zuma 50F

CAD$ 279.99
Speedometer Error Bypass Module (Zuma 50F 2012+)

CAD$ 64.99
Throttle Grip Voca Bestia CNC

CAD$ 109.99
Carburettor Dellorto RACING PHDG 24mm

CAD$ 259.99
Carburettor Dellorto RACING PHDG 21mm

CAD$ 239.99
Carburettor Dellorto RACING PHDG 19mm

CAD$ 239.99

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Specials

Exhaust Malossi Wild Lion Cpi-Vento-Keeway

Malossi offer here great performance...

CAD$ 251.99 -10% CAD$ 279.99

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Viewed products

Secondary Gear Kit NCY...

NCY QMB139 upgear kit for your 50cc 4-strokes...
Exhaust Giannelli...

Extra exhausts made their way to become a great...
Secondary Gear kit...

Fitting a big bore kit does not always give the...
Crankshaft Bearing MHR...

Carbonitrided inner ring and special reduced...
Flywheel / Internal...

Universal flywheel / internal rotor puller for...
Camshaft for 139QMB/QMA

Standard camshaft for 50cc 139 QMB/QMA engines...

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Secondary Gear Kit NCY 16/42 for GY6 139QMB/QMA

Reference: 1200-1269

Condition: New product

Brand: NCY

NCY QMB139 upgear kit for your 50cc 4-strokes is finally here! This kit is made specifically for big bored engines and increases your gear ratio by 24%. This will allow you to maximize your big bore kit by increased top speed and a more usable rev range. You won't see much if any improved performance if you install these on a stock top end

In stock