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Title: My new rear rotor Post by: TAftonomos on June 10, 2009, 06:08:20 PM Stock - 2lbs 3 ounces
"improved" = 1lb 4 ounces (http://i3.photobucket.com/albums/y54/TheoAftonomos/DUcati%20S4Rt/DSCN5762.jpg) [thumbsup] Including the Ti rotor bolts, Alumiinum cush drive nuts, QC rear sprocket and carrier, 520 chain, and the rotor, I've lost 3 lbs 14 ounces (about 3.9lbs) off the rear in rotating weight. Take away another 1lb for the Ti caliper half bolts, Ti caliper mounting bolts, machined caliper carrier and thats almost 5lbs of unsprung weight back there. + The forged marchesini wheel that is supposed to be 2lbs lighter :D almost 6lbs in rotating weight [moto] [thumbsup] It'll get crazy if one day I can snag some BST's at a good price Title: Re: My new rear rotor Post by: minnesotamonster on June 10, 2009, 06:25:31 PM Nice. How much have you shaved off the bike so far?
Title: Re: My new rear rotor Post by: TAftonomos on June 10, 2009, 06:33:30 PM Between the rear end stuff (6lbs), the wheels, (4lbs), battery (8lbs), removed some clutch housing material, Ti all over, front axle is 1.5lbs lighter, DP carbon seat (?)
I would guestimate in the 30-35lb range including the stock exhaust (15lbs) And that, coupled with my 25lb reduced fatness (hopefully more coming soon), and it ought to feel like a new bike. I've got various notes and weights listed, I just have them scattered all over at the moment. After the bike is done I'll compile all of them on a spreadsheet and post it up. [thumbsup] Title: Re: My new rear rotor Post by: kopfjäger on June 10, 2009, 08:29:09 PM Very nice. [thumbsup]
Title: Re: My new rear rotor Post by: sbrguy on June 10, 2009, 10:11:15 PM just tell us how it rides with the lighter stuff. [thumbsup]
Title: Re: My new rear rotor Post by: fasterblkduc on June 11, 2009, 03:43:51 AM Were you also considering chopping the subframe and bolting up an aluminum subframe? I'm thinking of doing this on the race monster and waiting to see how much weight you save there.
Title: Re: My new rear rotor Post by: TAftonomos on June 11, 2009, 05:10:52 AM It's going to be 12lbs for the subframe. I've already done it on a spare junk frame to get an idea if the trouble is worth it.
IMHO = worth it [thumbsup] Title: Re: My new rear rotor Post by: Cicero on June 11, 2009, 07:36:11 AM Is that one of those elusive Ti rear rotors? I thought you couldn't buy them anymore.
Title: Re: My new rear rotor Post by: killerniceguy on June 11, 2009, 08:54:30 AM Where would you purchase a sub frames for S2R? KNG Were you also considering chopping the subframe and bolting up an aluminum subframe? I'm thinking of doing this on the race monster and waiting to see how much weight you save there. Title: Re: My new rear rotor Post by: ducaticop on June 11, 2009, 09:17:23 AM thats pretty substantial savings in rotating mass. how well do they stop?
Title: Re: My new rear rotor Post by: dbran1949 on June 11, 2009, 09:29:49 AM thats pretty substantial savings in rotating mass. how well do they stop? Can't be any worse than the stock rear brakesTitle: Re: My new rear rotor Post by: fasterblkduc on June 11, 2009, 06:21:59 PM Where would you purchase a sub frames for S2R? KNG Can't, it would be fabricated. I'm going to do it over the winter to mine. Just cut off the unwanted stock frame and weld on some mount tabs. then fab an aluminum subframe and bolt it up. Taft, Did you just weigh the chopped portion or did you actually already fab one up and weighed the difference? Title: Re: My new rear rotor Post by: TAftonomos on June 11, 2009, 09:45:55 PM Both, sort of.
Chopped and weighed it. Also weighed the weld-on fittings AND the length of tube I need to fab the subframe. It'll be a touch lighter after it's welded due to the rod. We're talking maybe a half ounce...so negligable even in my book. Title: Re: My new rear rotor Post by: DucHead on June 12, 2009, 03:53:15 AM From whence did the rotor come? ;D
Title: Re: My new rear rotor Post by: fasterblkduc on June 12, 2009, 06:09:30 AM Taft, thank you for doing my homework! [beer] Now would you like to fab one for me too? [cheeky]
Title: Re: My new rear rotor Post by: Ducnial on June 13, 2009, 07:56:05 PM At least rear brakes are good for something - BLING [bacon]
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