BST carbon wheels compared to HP4 wheels - Page 3 - BMW S1000RR Forums: BMW Sportbike Forum
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post #21 of 24 (permalink) Old 06-08-2017, 06:47 AM
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Originally Posted by MotoMillion View Post
Do you currently have forged wheels? I'm not sure what adapter you are speaking of for rotors.
Unfortunately no I have standard wheels. So am I supposed to order pre 2015 wheels? Any design weight difference between pre-15 and 15-17 models?
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post #22 of 24 (permalink) Old 06-08-2017, 08:13 AM
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Unless you want to purchase newer rotors, get the older version BST. You can visually see the difference on Brock's page, the front rotor adapters are silver. Rear wheels are the same for all years.
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post #23 of 24 (permalink) Old 06-08-2017, 11:27 AM
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Originally Posted by ejlover View Post
Unfortunately no I have standard wheels. So am I supposed to order pre 2015 wheels? Any design weight difference between pre-15 and 15-17 models?
You need to get the wheels specific for your bike. The only difference as far as we are aware are between "Cast" and "Forged" wheels. All 09 to 17 models with the cast wheel are the same.
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post #24 of 24 (permalink) Old 09-18-2019, 01:12 PM
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Originally Posted by Luker669 View Post
Thought I'd post a weight comparison . All wheels weight with discs ,cush drive and sprocket.
HP4 forged wheels F-14.4 R-15.6
BST Carbon wheels F-13 R-13.2
Total savings 3.8 lbs
Cast stock wheels F- 15.8 R-30.2
Sorry to revive old post. So the Forged wheels are ~15 LBS lighter than the cast?

This means a 2018 S1000RR with forged wheels fully fueled is closer to ~445 LBS rather than the claimed ~459 we see in all the spec sheets? or? (obviously tires being maybe 200 slightly more)
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