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Unanswered Questions

281 questions with no upvoted or accepted answers
10
votes
0answers
136 views

Ivanhoe ladies with wooden rims, wooden rear fender, wooden chain guard

Attic find, any thought as to age, options not on a stock bike, value range.
8
votes
0answers
108 views

Cut off tubeless plug head?

I use tubeless tires ranging from 30 to 40mm in width. When I puncture and the sealant doesn't cut it, I plug the hole with a Dynaplug. On longer rides, I carry a spare tube (or two) just in case. It ...
8
votes
0answers
259 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 ...
7
votes
1answer
159 views

What solutions are there for a tyre that won't stay seated?

I've got a Schwalbe snow and ice 700x38 (also marked 40-622) on a Mavic A319 (19 mm internal width). This, according to Sheldon should be an ideal combination (and if it wasn't, the failure ...
6
votes
0answers
135 views

Aero bars are a pain in the neck - are there strengthening exercises?

I've got a set of aero bars on my tourer, and now I've got the hang of them I rather like them, especially when solo and into headwinds or trying to put some distance behind me on a long straight. A ...
5
votes
1answer
124 views

Sealed bearings characteristics for road bike wheels?

I have fulcrum racing quattro road bike wheels. I'm changing my bearings quite often since I noticed that in general they last around 5000 km (over winter). I'm usualy using SKF 61903 bearings from ...
5
votes
0answers
100 views

Would like to identify a late 80s/early 90s lo-pro bicycle's manufacturer and tube type

I just purchased this bike locally in Southern California and thought it would be straightforward to identify but I've asked around and no one seems to know. The specs are: Lugged steel (fork crown ...
5
votes
0answers
117 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....
5
votes
1answer
536 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
493 views

Help identifying MTB frame

Apologies making ANOTHER one of these threads...Anyhows: Bought a bike third hand, frame has been stripped and painted. Trying to find make & model so I can get some offset bushings for the shock. ...
3
votes
1answer
65 views

What’s a good way to carry a kid’s bike on an otherwise full bakfiets?

I have a Workcycles KR8 bakfiets and the 3yo just got his first pedal bike. We wanted to take him and his bike for a fifteen minute ride to the park where he could ride by himself, but chucking his ...
3
votes
0answers
37 views

How to solve issue with self-unscrewing Praxis Convo BB for Shimano?

I am looking to solve the issue with Praxis Convo BB which unscrews by itself during the ride. What would be the best solution? On my second ride on a Specialized Venge Pro 2019, I noticed that my ...
3
votes
0answers
108 views

Back wheel suddenly started “wiggling”

I bought recently a second hand bike for my daily rides, and it seemed in good shape. I rode it for more than a month without any problems, but recently had issues with it and had to get it fixed (...
3
votes
0answers
63 views

Getting ride data from Bosch CX System

Recently got a Cube eMTB with Bosch CX system installed. Love the bike, does well for commutes and some bush bashing over the weekend. Being a nerd, I like my data. Considering the system already ...
3
votes
0answers
176 views

Please Help me identify my Bike Logo

Hello can someone help me identify my bike Frame?. It has this weird Logo and a Serial number of : "2948" . It has Suntour Dropouts likely NJS. Thanks!

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