Shimano 7900 bar clamps..

Discuss light weight issues concerning road bikes & parts.
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Frankie - B
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by Frankie - B

I'm on board with the cf clamps. I weight between 80 an 85 kilo and would trust the cf ones better then alloy ones.

Sent from my HTC.
'Tape was made to wrap your GF's gifts, NOT hold a freakin tire on.'

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andy2
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by andy2

What Frankie said.
I've been on the BTP carbon clamps on several bikesfor a few years. One case in point, 85kg on a cross bike that I just had a look at and they're perfect.
Way these things work they are in tension when mounted, so cf is actually the perfect material.
/a
rolobikes

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2ndgen
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by 2ndgen

5 8 5 wrote:2ndgen, that links for Ti model - same part no?


:thumbup: Yes sir.

5 8 5
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by 5 8 5

Bit confused 2ndgen. You said you had some info on the aluminium clamps?

thisisatest
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by thisisatest

shimano doesnt make aluminum clamps.

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2ndgen
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by 2ndgen

5 8 5 wrote:Bit confused 2ndgen. You said you had some info on the aluminium clamps?


Did I? I must've mixed that up with another topic I was posting on.
I'm looking into a fr der clamp replacement in aluminum.

5 8 5
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by 5 8 5

2ndgen, you are correct. It was late, I was tired...............soz :lol:

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2ndgen
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by 2ndgen

5 8 5 wrote:2ndgen, you are correct. It was late, I was tired...............soz :lol:


No worries. :thumbup:

SL58
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Joined: Tue Oct 30, 2007 5:02 pm

by SL58

I used Ti t-bolt and Alu. nut with existing setup. Total weight is heavier than BTP but equal
to Shimano even though steel band was there. A lot cheaper though.

CAADEL
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Joined: Sun Jul 24, 2011 11:59 pm

by CAADEL

2ndgen wrote:http://www.ebikestop.com/shimano_st_7900_sti_lever_clamp_band_unit-LD7756.php?PARTNER=GOOGPS

Shimano ST-7900 STI Lever Clamp band Unit
MFR's Part #: Y6RT98130
$110./pr.

You're better off getting the Ti versions.

Image

Are the bolt and nut made of titanium too or just the band?

Neoryan7
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Joined: Tue Mar 27, 2012 6:56 am

by Neoryan7

the t-nut with the titanium band is about is more or less 1 gram lighter than the ones that come with the steel band. I upgraded my ultegra di2.

titanium band=6.7g t-nut=2g
steel band=9.5g t-nut=3.4

Saved 4.2 grams per shifter.

uraqt
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Joined: Mon Apr 03, 2006 8:53 am

by uraqt

Neoryan7,

Thanks for posting, There are new TI lighter bands for 9000, but nobody has confined with pix. Just from the Shimano part #'s

C

Neoryan7
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Joined: Tue Mar 27, 2012 6:56 am

by Neoryan7

The new ones look more heavily machined than the 7900 series ones.

drainyoo
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Joined: Sun Jun 17, 2007 6:56 pm

by drainyoo

Anyone have real weights for these, and are the nuts and bolts titanium as well?

indywagon
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Joined: Wed Nov 11, 2009 11:53 pm

by indywagon

I stripped one of mine a while back and wound up purchasing what turned out to be a bag five, I think. Somewhere in the garage, I still have four. Let me know if you're interested.

Chris

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