JMC 7020 Aluminium Swingarms for Harley-Davidson Bikes

When ordering or asking for a quote, let us know model, year, tyre size, finish required and adjuster type

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• JMC Aluminium Swingarm for Harley-Davidson Sportster Motorcycles

When ordering or asking for a quote, let us know model, year, tyre size, finish required and adjuster type

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• JMC High Performance Aluminium Swingarm for Harley-Davidson FXR and FXRS Motorcycle in Polished Finish - Can be made for wider tyres if required

When ordering or asking for a quote, let us know model, year, tyre size, finish required and adjuster type

Select your choice from the drop down list below and click 'Check Price'.

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• JMC Aluminium Swingarm for Harley-Davidson Shovelhead Motorcycles

When ordering or asking for a quote, let us know model, year, tyre size, finish required and adjuster type

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• JMC Aluminium 4in Extended Swingarm for Harley-Davidson Dyna Motorcycle

When ordering or asking for a quote, let us know model, year, tyre size, finish required and adjuster type

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• JMC Swingarms Eccentric Chain adjusters

Eccentric adjusters have three pre-drilled holes to accept 17mm, 20mm and 3/4in dia. spindles. Our Eccentric adjusters can make a difference to the ride height of the motorcycle by a maximum of 16mm from the standard position but many people are rather paranoid about this, thinking that this will influence the handling. In fact it can be an advantage as you may adjust the ride height to your preference or in most cases keep it exactly the same as stock. The ride height adjustment may generally be either above the 3 to 9 o clock position or below this. There are a few bikes that require the adjustment to be either above or below due to restrictions on the rear brake calliper or the chain fouling the swingarm.  In these cases adjustment must be made in a direction that eliminates this.

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• JMC Swingarms 45mm Adjuster

This type of Adjuster is favoured for use where a moderate increase in wheelbase may be required (45mm 1.77in), the forward most position is the same as the forward  most position on the standard swingarm. Wheel adjustment is carried out by loosening the large Nyloc nut then turning  the 8mm bolt (clockwise) to lengthen wheelbase or (anticlockwise) to shorten wheelbase. As can be seen the adjuster bolt remains inside the adjuster housing in all positions so does not leave an unsightly bolt protruding from the back of the swingarm .

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• JMC Swingarms adjusters for large increase in Wheelbase

This type of Adjuster is favoured for use where a large increase in wheelbase may be required (115mm / 4.5in), the forward most position is the same as the forward most position on the standard swingarm. Wheel adjustment is carried out by loosening the large Nyloc nut then turning the 8mm bolt (clockwise) to lengthen wheelbase or (anticlockwise) to shorten wheelbase.  As can be seen the adjuster bolt remains inside the adjuster housing in all  positions so does not leave an unsightly bolt protruding from the back of the swingarm .

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• JMC Swingarms adjusters for very large increase in Wheelbase

This type of Adjuster is favoured for use where a very large increase in wheelbase may be required (150mm, 6in), the forward most position is the same as the forward most  position on the standard swingarm. Wheel adjustment is carried out by loosening the large Nyloc nut then turning the 8mm bolt (clockwise) to lengthen wheelbase or (anticlockwise) to shorten wheelbase. As can  be seen the adjuster bolt remains inside the adjuster housing in all positions so does not leave an unsightly bolt protruding from the back of the swingarm. If you require the maximum wheelbase to extend beyond a maximum of 6in / 150mm then  we can also offer extended swingarms i.e the actual arm length is 3in longer than  standard plus the P150 slots giving you from +3in to +9in of wheelbase adjustment!

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• JMC Aluminium Swingarms for Suzuki, Honda, Yamaha, Kawasaki, Ducati and other Performance Motorcycles

When ordering or asking for a quote, let us know model, year, tyre size, finish required and adjuster type

Select your choice from the drop down list below and click 'Check Price'.

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• Accurate Engineering Custom Built American V-Twin Motorcycle Engine - 93 cu in Custom Shovelhead Motor