BLK ICE

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posted February 28, 2012 06:23 PM
Edited By: BLK ICE on 29 Feb 2012 02:33
180 to flat slick gearing?
When using a flat slick 26.0/7.0/17, how many more teeth most the rear sprocket have to equal the same gear ratio as a 180/55/17?
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Wheelie

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posted February 28, 2012 06:28 PM
I bet kawa74 can answer that.
wee
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kawa74

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posted February 28, 2012 07:25 PM
16 x 48 = 130 mph @ 11,000 in 4th with 180/55/17 = 24.8"
16 x 51 = 130 mph @ 11,000 in 4th with 26" slick
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BLK ICE

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posted February 28, 2012 07:37 PM
quote: 16 x 48 = 130 mph @ 11,000 in 4th with 180/55/17 = 24.8"
16 x 51 = 130 mph @ 11,000 in 4th with 26" slick
Are you saying, go up 3 teeth on the rear to make them equal?
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Repersenting: BLACK ICE PERFORMANCE and NO QUARTER MOTORSPORTS
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Shane661

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posted February 29, 2012 06:06 AM
Edited By: Shane661 on 29 Feb 2012 15:19
You need to measure the radius (floor to center of axle) of the tire once mounted, and compare it to the radius of your 180, when mounted. Then I can answer you fairly accurately.
The numerical designation of the tire size doesn't tell the full story. There are huge variances in the real world.
Shane
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madnessracing

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posted February 29, 2012 07:12 AM
I put 2 more teeth on my bike and it was almost right from where it was with the street tire
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BLK ICE

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posted March 02, 2012 09:49 PM
Edited By: BLK ICE on 3 Mar 2012 06:18
quote: You need to measure the radius (floor to center of axle) of the tire once mounted, and compare it to the radius of your 180, when mounted. Then I can answer you fairly accurately.
The numerical designation of the tire size doesn't tell the full story. There are huge variances in the real world.
Shane
flat slick radius=12.5"
180 radius= 11.5"
flat slick's circumference is 5.5" larger than 180's circumference.
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Fastest Stock Motor, Stock Bodywork, Hand Clutch, N/A Super Heavy Hitter on the Planet!
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Repersenting: BLACK ICE PERFORMANCE and NO QUARTER MOTORSPORTS
Nitrous and Tires Sponsored by: Custom Specialties Cycles
Dyno Tuned by: Garron of ADAMS PERFORMANCE. http://www.adamsperformance.net/
BlackIce Performance: Honor, Freedom, Love of Country!
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kawasakijockey

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posted March 02, 2012 10:01 PM
Maybe the circumference is but not the overall diameter.
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BLK ICE

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posted March 02, 2012 10:16 PM
quote: Maybe the circumference is but not the overall diameter.
You are right, I will edit. Thanks
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Fastest Stock Motor, Stock Bodywork, Hand Clutch, N/A Super Heavy Hitter on the Planet!
Fastest Stock Motor, Stock Bodywork, Hand Clutch, Nitrous Super Heavy Hitter on the Planet!
Bikeland 1/8 mile 5 sec.N/A Stock Motor Club Member.
Repersenting: BLACK ICE PERFORMANCE and NO QUARTER MOTORSPORTS
Nitrous and Tires Sponsored by: Custom Specialties Cycles
Dyno Tuned by: Garron of ADAMS PERFORMANCE. http://www.adamsperformance.net/
BlackIce Performance: Honor, Freedom, Love of Country!
(I am open to Sponsorship and Product Testing and Review. Contact BlackIce Performance at blackice_performance@yahoo.com) or BlackIce Perf on Facebook
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