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Discussion Starter · #1 ·
I know, I know! Why would any self-respecting WW be using brake's like this?

I searched and came up with nothing. What I seek is anyone out there that has tuned their BB7's, either ti/al bolt's and/or shaving/milling/drilling.

Anyone out there? Results? I know that there were a few guy's running ti/al bolt's, but the other tuning is what i'm really after.

PATIA!
 
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i have actually been considering doing some tuning on the Juicy7's on my bike. after looking at the new Juicy7 Carbons, they really took a lot of meat out of the clamp area.
 

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Get your freak on!
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This has been covered in the past, try searching under Avid Mechanicals:)

Light weight cables and housing, light brake levers, some nice rotors like the new 2 peice Hopes and a bunch of Alu/Ti bolts is pretty much all the can be done. I'm sure there was ways of shaving the calipers down if you REALLY want to save weight...
 

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Discussion Starter · #5 ·
CdaleTony said:
'tuned' is that some WW term? or is it 'turned' as in reduce the rotor thickness...?
CDT
Tuned, not turned. Tuning of parts referrs to swapping steel bolts with ti/aluminum and some shaving here and there. Shaving would be material removal (ie filing, dremeling, milling, drilling etc).
 

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Discussion Starter · #6 ·
bike_freak said:
This has been covered in the past, try searching under Avid Mechanicals:)

Light weight cables and housing, light brake levers, some nice rotors like the new 2 peice Hopes and a bunch of Alu/Ti bolts is pretty much all the can be done. I'm sure there was ways of shaving the calipers down if you REALLY want to save weight...
I did search. C'mon man, I ain't THAT new anymore. ;) Avid gave me 25 results with nothing, avid mechanical gave me 20 results with nothing.

I'm looking for any info about if anyone out there HAS done any shaving and what their results were. I guess i'll just attack the old pair over the holiday's. ;)
 

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AndrewTO said:
I did search. C'mon man, I ain't THAT new anymore. ;) Avid gave me 25 results with nothing, avid mechanical gave me 20 results with nothing.

I'm looking for any info about if anyone out there HAS done any shaving and what their results were. I guess i'll just attack the old pair over the holiday's. ;)
I remember this topic has been covered in the past, but sadly, i also can't find it:(

One other thing that would save some weight is using Post mount forks and Frame:) ;)
 

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Te mortuo heres tibi sim?
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yes, but.....unless you already have all the ti/alu hardware, and lighter levers, you may be better off to sell the mech stuff and just get some juicys. for the money you'd spend on the bolts vs. the cost of the hydros minus the cost from selling the mechs, that is what i'd reccomend.

i just swapped two bikes from bb7/paul love lever/full housing setup to a jucy-5 setup.

the old mech stuff was using ti and alu hardware, and i still dropped a little more weight by going with the juicy5s.

not only do i love the hydros more than the mechs (and i was a loooongtime mech lover) but i was able to tune them for even more.

you won't save a ton, but you will save a little. check this out.

http://forums.mtbr.com/showthread.php?t=136872

http://forums.mtbr.com/showthread.php?p=1349243#post1349243
 

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Discussion Starter · #9 ·
scrublover said:
yes, but.....unless you already have all the ti/alu hardware, and lighter levers, you may be better off to sell the mech stuff and just get some juicys. for the money you'd spend on the bolts vs. the cost of the hydros minus the cost from selling the mechs, that is what i'd reccomend.

i just swapped two bikes from bb7/paul love lever/full housing setup to a jucy-5 setup.

the old mech stuff was using ti and alu hardware, and i still dropped a little more weight by going with the juicy5s.

not only do i love the hydros more than the mechs (and i was a loooongtime mech lover) but i was able to tune them for even more.

you won't save a ton, but you will save a little. check this out.

http://forums.mtbr.com/showthread.php?t=136872

http://forums.mtbr.com/showthread.php?p=1349243#post1349243
Yes, I keep forgetting the simple fact that hydro weight's include the line's. My front and rear inner/outer cable's add 185 grams to the rest of the Avid's weight. :rolleyes:

Just for kicks I decided to start on one caliper last night. So far i've managed to massage 10 grams out of the caliper. I'm sure there's another whopping (!!!) 5 grams in there, maybe 8. I'll post picks when i'm done. Hey, it's FREE and I have some time to kill. Interestingly enough, the newer Type N caliper's are already 10 grams per caliper lighter the the older Type F.

I can't help but side up with the "negativity" towards hydro's in you second link (sorry, but i'm waiting for a deal, like you). Don't get me wrong - yes, there are a lot of people happy with their hydro's - clearly understood!!! I'm just not quite ready for THAT step..... yet. Heck, I have another frame and fork on their way and that combo might just be a v-brake set-up.

Anyways, THANKS for the link's! Very imformative. :)
 

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so your at about 500 grams now right? either front or back..

your aiming for 400 grams right?

al rotors would yield 60 grams less for each side, but pricey

have you sampled al fastners yet?

keep it up dude.

light mech's would be a dream.
 

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Discussion Starter · #11 ·
lowmach said:
so your at about 500 grams now right? either front or back..

your aiming for 400 grams right?

al rotors would yield 60 grams less for each side, but pricey

have you sampled al fastners yet?

keep it up dude.

light mech's would be a dream.
:confused: No, the entire box of contents of one of Avid's BBDB7 (with 160mm rotor) is 355 grams - give or take for the different mounting brackets. That's caliper, pads, brackets, rotor and all hardware.

I'd like to try Stan's aluminum rotor's and appropriate pads but haven't started researching anything about them (wondering about fade).

Bolts - yup, every bolt in Ti would roughly drop about 35 grams.

The real key, from what i'm seeing so far (if you wanna compare to hydro's), are the cable's and lever's. Nokon and Extralite.... mmmmmmmm, goooooood. Oooouuuch, expensive! :p :D BAH! It's only money and it IS Christmas, right?

Anyways, right now i'm just concentrating on shaving the crap outta the caliper. I'll see where that get's me first. If I wanna continue being a glutton for punishment then so bo it.
 
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if it comes down to JUST money, the Carbon Juicy 7's are super sweet, but not cheap.

if you want to save more weight than Ti hardware, put some Al hardware in there. just be carefull not to overtighten the fasteners :)
 

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mechmann_mtb said:
if it comes down to JUST money, the Carbon Juicy 7's are super sweet, but not cheap.

if you want to save more weight than Ti hardware, put some Al hardware in there. just be carefull not to overtighten the fasteners :)
i think the Juicy 5's are lighter then the Juicy 7 carbons...

If your really trying to save weight and willing to go Hydro, you should probably avoid the juicy's, Something like Martas or Mono mini's (but you already knew that:) ).

Good luck on getting your Avids to a respectable weight, looking foward to a detailed description:) ;)
 

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andrewTO- I was referring to one set of bb7 caliper/rotor/cable/housing/lever == 400 grams being a light goal.

yeah when you get a chance, lets see some photos of the shaven caliper.

so nokon is the lightest brake cable/housing? yikes their pricey. what about just using some black plastic tubing from home depot?

-cheers
 

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Discussion Starter · #15 ·
bike_freak said:
i think the Juicy 5's are lighter then the Juicy 7 carbons...

If your really trying to save weight and willing to go Hydro, you should probably avoid the juicy's, Something like Martas or Mono mini's (but you already knew that:) ).

Good luck on getting your Avids to a respectable weight, looking foward to a detailed description:) ;)
Yes, good luck indeed. I was hoping to score some time on the Bridgeport today, but it was set-up for another job. Tomorrow is clean-up and that's it for this year. :( Looks like they're stuck with a mere 10 gram weight savings for now. At least I can replace the two bolt's with titanium one's, so that'll help. Oh, they're M5 x 25mm, if anyone wants to know. These are the two bolts that pass through the caliper itself, holding the two halves together. The steel one's weight 10 grams for the pair.

I'll post some pics later tonight. They look HORRIBLE as they're not finished, so be prepared for nothing pretty.
 

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Discussion Starter · #16 ·
lowmach said:
andrewTO- I was referring to one set of bb7 caliper/rotor/cable/housing/lever == 400 grams being a light goal.

yeah when you get a chance, lets see some photos of the shaven caliper.

so nokon is the lightest brake cable/housing? yikes their pricey. what about just using some black plastic tubing from home depot?

-cheers
Ah yes, I see now. Apologies on my mis-interpretation. 400 grams would indeed be quite light for the set-up. Well, you've given me something to dream about, at the very least. :)

I can't say 100% that Nokon's are indeed THE lightest. It appears that way with all the scattered info out there. Expensive? Oh heck yeah. I'd say they're on the same level as Stan's rotor's. Go figure, huh? :rolleyes:

I've toyed with alternatives to cable housing, but the whole "teflon coated inside" area is something I have no idea to get around. Yes, there never used to be such a thing, but i'd sooner pay the extra $$$ and suffer the extra weight for the convenience and performance. It's just too much of a no-brainer, IMHO.

Anyways, the "exercise in futility" continue's. :)

On a WW-related note; just got my MegaAir in! :D :D :D :D Hmmmm, sub-3-pound fork. Arrhgrhgrhrghrgrghrg. :p :D Gotta go play. :)
 

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AndrewTO said:
Pics. Again, work in progress. Part 2.
wow all that for 10g...

I am a weight weenies myselft but sometimes i don't understand other, 20g of static weight are not even gonna make you 1sec faster on a 3h race...

Just cut your hair before the race
 

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Megaclocker said:
wow all that for 10g...

I am a weight weenies myselft but sometimes i don't understand other, 20g of static weight are not even gonna make you 1sec faster on a 3h race...

Just cut your hair before the race
See, you only thought you were a weight weenie! Yur a piker in the weenie world.
 
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