Gear Reduction Options on FL
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Joined: Sep 2009
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Gear Reduction Options on FL
I have a 2009 Street Glide. Wanted to change the stock overall gear ratio which is my understanding @ 2.89. My understanding to do this is I have two options:
Change the primary trans gear sprocket down from 32 to 30T
Or
Change the front belt drive pullet from 32 to 30T
My questions are:
Change the primary trans gear sprocket down from 32 to 30T
Or
Change the front belt drive pullet from 32 to 30T
My questions are:
- What are the pros or cons of each option?
- Would I get the same result doing either option?
Ultimate HDF Member
Joined: Jan 2008
Posts: 6,532
Likes: 132
From: SoCal
I have a 2009 Street Glide. Wanted to change the stock overall gear ratio which is my understanding @ 2.89. My understanding to do this is I have two options:
Change the primary trans gear sprocket down from 32 to 30T
Or
Change the front belt drive pullet from 32 to 30T
My questions are:
Change the primary trans gear sprocket down from 32 to 30T
Or
Change the front belt drive pullet from 32 to 30T
My questions are:
- What are the pros or cons of each option?
- Would I get the same result doing either option?
Club Member
Joined: Jun 2007
Posts: 45,429
Likes: 2,898
From: Bedford UK
My reading of this is there is a further option, of fitting a 68T rear pulley. Personally I would leave the primary gearing alone, as changing the clutch sprocket is a silly price and ditching the compensator doesn't seem wise!
If you go to 30/68 belt drive your overall will change to 3.07:1 and top gear will change from approx 27mph/1,000rpm to 24.5mph/1,000rpm. From what I can make out the stock belt will still fit when changing both pulleys.
There is more on this over in the Touring forum. Just search that forum for '68T'.
If you go to 30/68 belt drive your overall will change to 3.07:1 and top gear will change from approx 27mph/1,000rpm to 24.5mph/1,000rpm. From what I can make out the stock belt will still fit when changing both pulleys.
There is more on this over in the Touring forum. Just search that forum for '68T'.
Ultimate HDF Member
Joined: Jan 2008
Posts: 6,532
Likes: 132
From: SoCal
My reading of this is there is a further option, of fitting a 68T rear pulley. Personally I would leave the primary gearing alone, as changing the clutch sprocket is a silly price and ditching the compensator doesn't seem wise!
If you go to 30/68 belt drive your overall will change to 3.07:1 and top gear will change from approx 27mph/1,000rpm to 24.5mph/1,000rpm. From what I can make out the stock belt will still fit when changing both pulleys.
There is more on this over in the Touring forum. Just search that forum for '68T'.
If you go to 30/68 belt drive your overall will change to 3.07:1 and top gear will change from approx 27mph/1,000rpm to 24.5mph/1,000rpm. From what I can make out the stock belt will still fit when changing both pulleys.
There is more on this over in the Touring forum. Just search that forum for '68T'.
Last edited by qtrracer; Apr 12, 2011 at 09:40 AM.
Club Member
Joined: Jun 2007
Posts: 45,429
Likes: 2,898
From: Bedford UK
Oops! Should have checked my facts!
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Joined: Nov 2006
Posts: 3,647
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From: Stockbridge, GA (Atlanta)
I have been looking for a chain drive my 09 -- some say an 08 chain conversion will work; does anyone know of any other options?
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