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Re: Supermax Poly vs. steel rear sprocket [Re: Inge] #492077
04/01/18 09:54 AM
04/01/18 09:54 AM
Joined: Aug 2015
Posts: 32
M
MTWV2 Offline
Just Getting Started
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Just Getting Started
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Joined: Aug 2015
Posts: 32

Re: Supermax Poly vs. steel rear sprocket [Re: Inge] #574395
30/04/19 08:08 AM
30/04/19 08:08 AM
Joined: Sep 2016
Posts: 156
S
SOLMorgan Offline
L - Learner Plates On
SOLMorgan  Offline
L - Learner Plates On
S

Joined: Sep 2016
Posts: 156
Does anyone know if you can get supermax sprockets exchange in the UK or do you need to send to the US?

Re: Supermax Poly vs. steel rear sprocket [Re: Inge] #574403
30/04/19 09:57 AM
30/04/19 09:57 AM
Joined: Jun 2012
Posts: 1,966
United Kingdom, Lincolnshire
planenut Online NoMood
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planenut  Online NoMood
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Joined: Jun 2012
Posts: 1,966
United Kingdom, Lincolnshire

No UK exchange that I am aware of. You have to send an alloy one to the USA for conversion but I am told they are pretty quick returning it.

Re: Supermax Poly vs. steel rear sprocket [Re: Inge] #574405
30/04/19 10:06 AM
30/04/19 10:06 AM
Joined: Mar 2015
Posts: 902
London uk
rockabilly john Offline
Talk Morgan Regular
rockabilly john  Offline
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Joined: Mar 2015
Posts: 902
London uk
Supermax or steel?
You will get charged £90 by customs on return.
John.

Re: Supermax Poly vs. steel rear sprocket [Re: rockabilly john] #574406
30/04/19 10:12 AM
30/04/19 10:12 AM
Joined: Jul 2013
Posts: 3,409
West Sussex, UK
Chris99 Online content
Talk Morgan Addict
Chris99  Online Content
Talk Morgan Addict

Joined: Jul 2013
Posts: 3,409
West Sussex, UK
Give Krazy Horse a call as they were thinking about offering their own supermax type conversion


Red Leader drive
Re: Supermax Poly vs. steel rear sprocket [Re: Inge] #574410
30/04/19 10:35 AM
30/04/19 10:35 AM
Joined: Jul 2018
Posts: 971
M3W55 Online content
Talk Morgan Regular
M3W55  Online Content
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Joined: Jul 2018
Posts: 971
I would guess that shipping both ways might be well north of £120, plus Duty/VAT, so buying from the US bears quite a price premium.

Re: Supermax Poly vs. steel rear sprocket [Re: SOLMorgan] #574412
30/04/19 10:47 AM
30/04/19 10:47 AM
Joined: May 2011
Posts: 1,489
Near Windsor Berkshire
R
Rog G Online content
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Rog G  Online Content
Has a lot to Say!
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Joined: May 2011
Posts: 1,489
Near Windsor Berkshire
Originally Posted By SOLMorgan
Does anyone know if you can get supermax sprockets exchange in the UK or do you need to send to the US?


I had mine done about 3 years ago and had to send it to the US, turn around was about 3 weeks they do pulleys in batches so it just depends where you fall in the production cycle as to the actual timescale. Cost if I remember correctly was £450, shipping £60 return and import duty £90.


2021 M3W
2013 M3W - Sold
1971 4/4 2 Seater
1934 Sports
Re: Supermax Poly vs. steel rear sprocket [Re: Inge] #574421
30/04/19 11:55 AM
30/04/19 11:55 AM
Joined: Apr 2013
Posts: 1,301
Southern Vermont
Michael H Offline
Has a lot to Say!
Michael H  Offline
Has a lot to Say!

Joined: Apr 2013
Posts: 1,301
Southern Vermont
I was the first customer to order one and It lasted quite well until it failed! I have since bought the steel one with no regrets. The way the SuperMax is built makes it vulnerable. The neoprene wrap is not only bonded to the aluminum wheel but bolted as well in many places. The bolts are tiny as they must fit in the depressions (valleys) of the sprocket and not make contact with the belt. When we removed the wheel to replace the sprocket with the steel one, the neoprene had slipped and had caused some of the bolts to deform the aluminum as well as missing a few. The neoprene was spinning around the wheel so no movement.

I think I racked up about 19,000 miles before failure. I think that the amount of torque reaching the wheel as well as potholes and other obstacles took their toll.

This will never happen with the one piece steel sprocket.


What's your mileage? Who cares. Is it practical? See #1. What happens when it rains? You get wet.
Re: Supermax Poly vs. steel rear sprocket [Re: Inge] #574452
30/04/19 05:16 PM
30/04/19 05:16 PM
Joined: Mar 2014
Posts: 1,532
Leicestershire, UK
Bunny Offline
Talk Morgan Enthusiast
Bunny  Offline
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Joined: Mar 2014
Posts: 1,532
Leicestershire, UK
Yes, I caught the 'tiny bolts' coming loose on my Supermax so refitted them with adhesive on the threads. So far so good, but it's only done around 6K miles... If I had to replace it, I'd probably go for a Fabian steel one (if they're still available at the time).


Andy
Re: Supermax Poly vs. steel rear sprocket [Re: Bunny] #574481
30/04/19 06:37 PM
30/04/19 06:37 PM
Joined: Jul 2013
Posts: 3,409
West Sussex, UK
Chris99 Online content
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Chris99  Online Content
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Joined: Jul 2013
Posts: 3,409
West Sussex, UK
I've got over 22k miles on my MMC steel sprocket, no problems whatsoever.

It may be heavier that the original alloy (or Supermax) but to be honest I couldn't tell the difference in the way it drives.


Red Leader drive
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