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Unanswered Questions

7
votes
0answers
143 views

Please help identify my 1940's (?) Tandem Bicycle

Please help me identify this tandem bicycle. Here's what I know: I'm pretty sure it's not a Schwinn, as all Schwinn bikes had straight frames without curves. From what I can tell, Hawthorne used ...
6
votes
0answers
255 views

Can someone help identify my vintage bike frame?

I don't know a lot about bikes and bought this frame about 5 years ago in Montreal. It was repainted and looks like an old touring frame. It is very light steel, very low (close to the ground), doesn'...
5
votes
0answers
134 views

Extraterrestrial thing found in my suspension fork!

I have recently disassembled my suspension fork and found an extraterrestrial piece of rubber in the coil spring. After some highly accurate measuring it was safe to say that this rubber piece is ...
5
votes
1answer
347 views

Cylinder volume of hydraulic brakes and levers

I've been asking around for a while now but even workshop pros couldn't answer this (by citing exact figures): How big are the brake cylinders of disk and rim brakes in terms of volume and surface ...
4
votes
0answers
97 views

Testicles chafing on legs - are my bibs too loose or too tight?

Some context - I have a pair of bib shorts that fit me well though could certainly be tighter without causing discomfort. I have a good bike fit, and I can do 100km+ rides without saddle discomfort. ...
4
votes
1answer
229 views

Road bikes for tall guys

I'm looking to find out about any beginner road bikes for tall, and somewhat larger guys. I am currently 6'8" and 305lbs. Been losing weight a lot, so I plan to be somewhere between 250 to 265 ...
4
votes
0answers
92 views

Swain Power-HR relation

I am trying to understand how to use Swain HR to Power equation in my case. Here is a calculator where one can vary the inputs and see the various outputs based based on the equation: http://www....
4
votes
1answer
201 views

Road cyclist keeps popping out of speedplay pedals

I've been riding for years and suddenly I've developed a problem with my right foot involuntarily popping out of my speedplay pedals. New shoes/cleats and new pedals did not help. I've even been ...
3
votes
0answers
53 views

What is considered a small hand for shimano?

The new shimano r7000 offers two options r7025 and r7000 in the brake levers, the first one is for small hands. What is considered small hands?
3
votes
0answers
39 views

Pannier Bags for Burley Kazoo

I have a burley kazoo trail-a-bike, which my five year-old and I are really enjoying. When not trailing my 5yo, I can easily put my Arkel pack onto the burley rack, but its attachment points don't ...
3
votes
0answers
101 views

Using Rohloff with a thicker chain

I have a Bosch/Rohloff bike that currently uses a 3/32 chain. Seems like that's the standard for Rohloff hubs. Problem is, I'd much rather use a 3/16 chain, i.e. a chain that's exactly twice as thick. ...
3
votes
0answers
72 views

Help Identifying Italian track frame

Hi I would like to know the maker of this bike I brought back from my stay in Italy. It has been repainted, It isn't the original fork, and the serial located on the top of th bb is :1148591 Any clue ?...
3
votes
0answers
82 views

Measuring fork steerer diameter

I've acquired a Raleigh Suntour (circa 1990s) frame which I am re-fitting. I need to refit the headset and so I need to know the dimensions of the steerer column. The frame had an threaded stem. I've ...
3
votes
0answers
255 views

Help identify this loop frame bike

I'm trying to find out more information about this old loop frame bike I'm planning to refurbish. I haven't found any other marks that may be identifying, if there's anything else I can take a photo ...

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