Torque Spec For Handlbar Clamp on LItespeed Ti Quill Stem?

David White said:

Anyone know the recommended value for this clamp bolt? Thanks.

Handlebar clamps should be tightened sufficiently that the handlebar
can't slip.

It is absolutely inappropriate to use some rote torque number for such a
critical fastener.

Sheldon "Torque Wrenches Are Automotive Tools" Brown
+---------------------------------------+
| Whatever became of eternal truth? |
+---------------------------------------+
Harris Cyclery, West Newton, Massachusetts
Phone 617-244-9772 FAX 617-244-1041
http://harriscyclery.com
Hard-to-find parts shipped Worldwide
http://captainbike.com http://sheldonbrown.com

Sheldon Brown said:

David White said:

Anyone know the recommended value for this clamp bolt? Thanks.

Handlebar clamps should be tightened sufficiently that the handlebar
can't slip.

It is absolutely inappropriate to use some rote torque number for such a
critical fastener.

Sheldon "Torque Wrenches Are Automotive Tools" Brown
+---------------------------------------+
| Whatever became of eternal truth? |
+---------------------------------------+
Harris Cyclery, West Newton, Massachusetts
Phone 617-244-9772 FAX 617-244-1041
http://harriscyclery.com
Hard-to-find parts shipped Worldwide
http://captainbike.com http://sheldonbrown.com

Dear David and Sheldon,

Here's a link to some absolutely inappropriate torque values
that probably tighten clamps sufficiently that the handlebar
doesn't slip:

http://www.parktool.com/repair_help/torque.shtml

The manufacturer probably has specific values, which are
often found by tightening things up gradually, noting the
reading, seeing when things stop slipping, and continuing
until things begin to crack, crush, and fail.

Carl Fogel

Thanks Carl!

Quoted message said:

Sheldon Brown said:

David White said:

Anyone know the recommended value for this clamp bolt? Thanks.

Handlebar clamps should be tightened sufficiently that the handlebar
can't slip.

It is absolutely inappropriate to use some rote torque number for such a
critical fastener.

Sheldon "Torque Wrenches Are Automotive Tools" Brown
+---------------------------------------+
| Whatever became of eternal truth? |
+---------------------------------------+
Harris Cyclery, West Newton, Massachusetts
Phone 617-244-9772 FAX 617-244-1041
http://harriscyclery.com
Hard-to-find parts shipped Worldwide
http://captainbike.com http://sheldonbrown.com

Dear David and Sheldon,

Here's a link to some absolutely inappropriate torque values
that probably tighten clamps sufficiently that the handlebar
doesn't slip:

http://www.parktool.com/repair_help/torque.shtml

The manufacturer probably has specific values, which are
often found by tightening things up gradually, noting the
reading, seeing when things stop slipping, and continuing
until things begin to crack, crush, and fail.

Carl Fogel