Slight thread hijack, but is there a security bolt system that works well
with the recessed bolt/nut that fit Rivendells? Something like
this: http://www.bicyclebolts.com/products/torx-security-seatpost-binder-bolt
On Monday, October 13, 2014 8:47:14 AM UTC-7, DS wrote:
I emailed brian @ riv
Security bolt system for Rivs: you can use the M6 x22 security bolts (allen
or torx). like the ones here:
http://www.bicyclebolts.com/collections/security-allen-bolts
On Monday, October 20, 2014 2:49:36 PM UTC-4, cyclot...@gmail.com wrote:
Slight thread hijack, but is there a security bolt
That's perfect, thank you!
Very reasonable shipping if you go Parcel Post as well!
On Monday, October 20, 2014 12:18:32 PM UTC-7, Shoji Takahashi wrote:
Security bolt system for Rivs: you can use the M6 x22 security bolts
(allen or torx). like the ones here:
It could very well be that the threads on the seat post bolt were damaged
and that they had galled(?) in the nut so you couldn't tighten it properly.
That would explain that the bolt broke when you were releasing it and
normally very little force is needed. If this is the case you only need a
Pictures would help. But if I understand what I read right, Head broke off
bolt so what is left in the frame is post and locknut, so should just punch
out and get a replacement bolt and nut. The seat clamp part that is part of
the frame on Rivs is not threaded, one size captures a nut then bolt
Hunter - You are correct. Problem 2 has been solved by a simple tap out of
the nut and bolt per previous suggestions. I did not realize it was just a
bolt on the other side, I was under the impression there was some threads
in the housing and the bolt would have to be extracted by drilling a hole
Just a thought, Dave - but are you using a hanger-stop (eg Nitto) that
attaches to the seatpost bolt? And, if so- was it perhaps getting
lodged between the ears of the lug-slot and causing less-than-100%
clampage?
Something to watch out for!
=- Joe Bunik
Walnut Creek, CA
On 10/15/14, David Stein
Do you mean the hanger stop for the brakes? Yes, but it was pretty well
centered, though I may not understand what you're asking.
On Wed, Oct 15, 2014 at 12:43 PM, Joe Bunik jbu...@gmail.com wrote:
Just a thought, Dave - but are you using a hanger-stop (eg Nitto) that
attaches to the seatpost
Every time I see a bike with a built-in seat post clamp I cringe a little
bit. I've never been mechanically inclined and just started learning to
work on my own bikes less than two years ago. My only mishaps were
breaking the bolt in one of my Ergon grips (twice!!) and breaking the bolt
in a
while I'm guessing you're probably bored with my old Raleigh, it has the
best-functioning seatpost clamp I've ever monkeyed with. Tightening the
bolt is not what clamps the seatpost - it's the tension of the lug itself.
You take a big-blade screwdriver and spread the clamp - you can slide the
But integrated clamps are so much prettier! I cringe whenever I see a
separate clamp.
A bit more seriously, I myself tend to overtighten, less from being
hamfisted than from being impatient and anxious, and I've bent more than
one integrated clamp (fixed as Ron says with large screwdriver), and I
My seat post slipped also on my Hillborne. Part of the frame prep at any
bike shop is to take an abrasive round brush and smooth out the inside of
the seat tube where the seat stays and top tube have been welded to prevent
scratching the seat post.I measured my seat post and it was right on at
I know the feeling because I've had seatpost slippage on several bikes (I'm
100 kg +). The first time I ran into it, I also incrementally cranked the
bolt down tighter and tighter (without helping the slipping) until it
snapped. With that in mind, I guess if the bolt snaps it means the seatpost
Thanks!
Glad to know I'm not the only one! I almost never am hence why I asked.
Brian @ riv said I could bring in the seatpost and he would apply some
knurling to it, I had to look that up, will help with slipping.
Now I just need to work on tapping out the bolt and getting a new one.
--
You
Campagnolo's seat post bolts were notorious for breaking--I've snapped several.
When I went to PBP, I took a spare ... and ended up using it when I snapped
mine in France while making a small adjustment in seat height.
--Eric Norris
campyonly...@me.com
www.campyonly.com
Regarding tapping the bolt out. You should be able to shove it out with a
ballpoint pen. If you have a cable hanger hanging from the bolt to your
rear brake, then disconnect the cable down at the brakes. With slack in
the system there, literally you should be able to just shove it out with a
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