Misc bolt list

Discuss light weight issues concerning road bikes & parts.
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Joined: Tue Jul 05, 2005 11:10 am
Location: On the road

by Leon

+1 for the figures from SRAM.

Thank you!

Edit: make it stick!!
Klein: handbuild science!

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by mrowkoob

Any changes for campy 11 speed?
The unbearable wallet lightness of being a weightweenie

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by mitre_tester

Boonen wrote:It's not much but it's something:

2007 SRAM Force rear derailleur:

Limit screws: 2 times M4x14 Buttonhead
Tension screw: M4x20 Buttonhead
Pulleywheel bolt upper: M4x14 Countersunk
Pulleywheel bolt lower: M5x14 Countersunk
Pinch bolt: M5x8

All these bolts are steel and IMO can be replaced by aluminium bolts saving around 5.5 grams. The pivoting bolt is already aluminium.

Sizes are good for Rival too. I used Ti grub screws for the limit and b-tension, Ti for the upper pulley bolt and Al for the cable clamp, saving approx 6g total. The lower pulley bolt has a smaller head than a standard M5 countersunk screw, looks like the KCNC one would fit but they're way too expensive at £10/pr

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by Timo

madcow wrote:Ergo Shifter
Pivot fixing bolt M4x22 (Socket head)
Ergo Mount M6x10-12mm(Brake mount nut)

Are these made of steel or titanium in standard 10 sp Record Ergo shifters?
And if I ever meet an aardvark, I'm going to step on its damn protruding nasal implement until it couldn't suck up an insect if its life depended on it.

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