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fir those of you with carbon fiber wheels
for a 12S. BST lists their front and rear wheels for BMW 12S at 8.8 and 12.1 pounds, respectively. BlackStone Tek– BST – BST Wheels for High Perfomance and Drag Racing
I'm wondering if this is accurate because the forged wheels I just bought from PVM weigh 8.5 and 8 pounds, respectively. That includes bearings and spacers for the front wheel. |
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11-01-2013, 03:22 PM
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That sounds high. Do a search for a thread I started called "BST in the house" I weighed all the wheels there.
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2017 R1200GSW Rallye Shreddr Signature Model |
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11-01-2013, 04:55 PM
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I saw that
It was more like 5-6 pounds if I remember correctly. I wonder if they have beefed them up and if there is someone on the board with a more recent set.
I wrote BST with no reply. |
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11-01-2013, 06:16 PM
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Join Date: Jan 2010
Posts: 863
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I have PVM ( forged stock HP2S) and BST's. I can't remember exactly - but they were very close. BST's get a big nod over cast R1200S wheels but weight alone doesn't justify the cost over the forged wheels.
BST weights from Droptarotter: 6.1 lbs and 8.92 lbs Christmas Arrived Early Compared to cast wheels: Both wheels were weighed with new tires and the fronts had BMW rotors on the BMW wheels and the Alth rotors on the BST wheels. Front had a difference of 1.740 grams or 3.83Lbs less for the BST's Rear had a difference of 1.860 grams or 4.1Lbs less for the BST's Total difference is 2.990 grams or 6.59Lbs for the BST's. 6.5 pounds of rotating mass is a huge difference. And Shredder's findings: according to my incredibly accurate bathroom scale: Stock front 11.5 lbs stock rear 12.5 lbs BST Front 7.5 lbs BST rear 9.5 lbs I bet his wife wants an a more accurate scale.
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2008 HP2S Sport Touring 2009 525 Beta RR North Vancouver Last edited by LeftCoast Peter; 11-02-2013 at 03:01 PM.. |
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11-02-2013, 02:45 PM
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very helpful, thanks
Looks like shreddr weighed the front wheel without the rotor carriers, with bearings and without the spacer. I would guess the BSTs are about half a pound to 3/4 pounds lighter in front and a pound heavier in the rear.
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11-02-2013, 06:24 PM
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Join Date: Jan 2001
Location: Far south.
Posts: 2,067
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 My front with bearings and carriers are 3.2 kgs or 7.17 lbsMy rear is 4.0 kgs or 8.96 lbs
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Lennie www.boxer-performance.com 1998 R1100S Yellow is the best (now departed from my life) |
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11-02-2013, 10:11 PM
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Thanks, very helpful
So roughly 1.3 pounds lighter on the front for the BST but 1 pd heavier on the back.
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11-03-2013, 04:17 PM
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No try, do or not do
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Quote:
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2017 R1200GSW Rallye Shreddr Signature Model |
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11-04-2013, 11:37 AM
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diz plaz is cwazy
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So how much do these pornographic accessories cost_?
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Life rewards action, He who is not afraid is safe! A Zest for living requires a willingness to die! -------------------------------------------------------- BWM R1100S 2004 (fat girl) BMW S1000RR 2011(skinny BMW R1200S 2007 (stingger) Honda CX500TC 1982 (turbo) |
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11-04-2013, 05:08 PM
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Black Beauty
