Unanswered Questions
8
votes
2answers
468 views
Identify this shaft driven bike for me
I can't identify the manufacturer nor the year it was produced.
It has a serial number on the frame, just above the front fork, something like 93042829 or so what (peculiarity: the numbers are ...
5
votes
0answers
61 views
Shimano Steps E010 and E012 errors: DIY fix possible?
My Shimano Steps-powered e-bike is frequently but irregularly giving me the errors E010 and E012. In the E6000 Series Dealer’s manual and E8000 Series User's manual I found the following:
E010:
A ...
5
votes
0answers
126 views
Shimano RS785 hydraulic disc brake caliper will not reset
Brand new RS685 lever and RS785 calipers. I installed the front with no trouble. Shortened line, bled, ready to go. The rear, however, was a problem. I shortened and bled the line same as the ...
5
votes
1answer
243 views
Accurately replicating the resistance felt whilst riding via a resistance fan diy turbo trainer
If I were to build my own Lemond Revolution style turbo trainer (link below) could I use the air speed in meters/second^2 the rider is moving into as a good indicator of what type and size of fan to ...
4
votes
0answers
72 views
What are the differences between Columbus Tubings?
I'm just wondering why there are seven kinds of tube sets by Columbus (or Reynolds). There's XCr, Spirit, Life, Zona, Max, SL, and Cromor. I recently had a frame made using the Cromor tubeset; mainly ...
4
votes
0answers
108 views
Internal cable routing blocked on '80s steel frame. What are my options?
I have a new-to-me ~80's steel frame with a rear derailleur cable that is routed through the chainstay. There's a blockage close to the BB end, and I'm wondering what my options are?
My assumption is ...
4
votes
0answers
85 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
1answer
562 views
Change the angle of the arc of downtube / stem shifter lever to make it an alternative thumb shifter?
I want to mount the following SunRace clamp-on shifter set horizontally as a "thumb" shifter on a straight MTB handlebar (22.2mm). I will remove the left lever and only use the right with the clamp.
...
3
votes
0answers
54 views
Noisy rear derailleur (Shimano RD-5800)
From the moment of buying the bike from a friend of mine, I have noticed that the rear derailleur was a little bit noisy. I thought that it would be problem solved by cleaning and greasing the jockey ...
3
votes
0answers
50 views
Longer stem, need to re-cable?
When I got my bike built, I chose a 60mm-long stem. It's a single-speed bike with front and rear cantilever break (cyclocross model.) After riding on the bike for a couple of months, I have decided ...
3
votes
0answers
45 views
Service/maintanace of Manitou fork and shock
I'm doing complete overhaul and service of my bike and it is time to service Manitou Minute fork and Manitou Radium shock. They both work fine but they have never been serviced (at least for two years ...
3
votes
1answer
63 views
What is the difference between the different oils for a suspension?
I am trying to rebuild a fork and quite confused on what I need for oil and some of the terms for the types of oil.
I have seen the following:
Suspension oil
Damper oil
Semi-bath oil
Gear oil
Motor ...
3
votes
0answers
68 views
When did Square Taper Bottom Brackets retire from racing?
I haven't been able to find any hard data on this. I have the impression that most top-end bikes made the switch around the year 2000.
It would be great if I could get an answer for both of these:
...
3
votes
0answers
53 views
Torpedo duomatic stuck in one gear because of too much grease. How to lubricate correctly?
I have a Speedo Duomatic that has been stuck in one gear the last 10 years. Probably because of too much lube in the wrong places. Now is the time to fix this. Everything is clean and I'm ready to put ...
3
votes
3answers
241 views
Choosing the right bike size
I'm looking to get the Trek Domane 4.3 and debating between a size 54 and a 56. One shop I've been to told me I'm a 56 and another said 54. According to Trek's sizing chart I'm 56.
I am 5 9" with an ...
