All Questions
21,246
questions
1
vote
1
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16
views
Optimizing rear derailleur cage length
So I'm doing the last bits of research which parts I'm getting for my next build (for bikepacking).
With a 30/46t or 30/44t crankset and 9sp 11-42 cassette in theory I'd need a rear derailleur with a ...
1
vote
0
answers
17
views
How do I evaluate flat MTB pedals re poking foot soles?
After accumulating more pairs of cycling shoes than would be warranted by someone riding 3x or 4x my current yearly mileage, I'm trying to be a little more cautious while shopping.
I'm now aiming for ...
0
votes
0
answers
31
views
Ring of holes on the tube opposite the valve; what's the mechanism for puncture?
I just replaced a tube on my back wheel and it's got a slow leak. I can pump it up and ride for an hour or two, but when I come back the next day it's completely deflated. I did the "submerge ...
3
votes
4
answers
65
views
Bike post slips down
I have a metal bike post and frame and annoyingly after a ride I find my bike post slides down. its the stock seat so i'm sure it is the correct size.
Its a quick release so it is quite hard to ...
8
votes
6
answers
1k
views
Have hydraulic shift systems been developed?
Bowden brake cables are being gradually replaced with hydraulic brakes on enthusiast bicycles, yet Bowden shift cables are being replaced with electronic systems.
(1) Has anyone developed hydraulic ...
2
votes
1
answer
566
views
Bosch 625Wh: How to Charge Spare Battery At Home?
I have an extra Bosch 625Wh for the Bosch Cargo Line Cruise (Gen4) motor. I'd like to charge this extra battery at home while the other one is in use.
I haven't found any device I can buy to do so. Is ...
8
votes
4
answers
636
views
Using a dynamo hub to run ONLY rear lights
I have a trailer that I use regularly at night and I want to put some dynamo-powered lights on it.
I have an old Shimano DH-3N80 hub and was thinking of building a 16" wheel with it and getting ...
6
votes
2
answers
933
views
Is a stiff chain after hot wax application a sign of a correct wax application?
In many hot wax application tutorials, it is advised that, after removing the chain from the wax bath and having allowed it to cool, the chain should become stiff, requiring manual movement of the ...
1
vote
1
answer
24
views
What is the appropriate torque for an IRD setback seatpost and what could be done to prevent it from slipping?
The system is a single-bolt, M8 size. Generic Park Tool advice would suggest 20-24 Nm---does anyone have more specific suggestions/experience?
1
vote
1
answer
65
views
Please help to identity bike model/brand
Please help me to identify what model/brand this is, I have pic searched but can't find anything
4
votes
3
answers
359
views
How do I take apart Wellgo pedal (to lubricate bearings)?
I want to take apart a pedal on my sons Frog 55 kid's bike as there is play in the pedal and it is squeaking. While I am at it, I want to re-grease the bearings.
I am, however, not able to figure out ...
3
votes
1
answer
90
views
how to proceed with bike damaged by airline in cardboard bike box
The front of my bike box was ripped off and the box itself was twisted, so it appears it was placed under an extremely high load.
Upon building my bike back up, the frame and fork are scratched and ...
6
votes
3
answers
944
views
Are foldable tires less puncture resistant?
I like buying stuff on Amazon and most of the tires there are foldable. I bought a GP 5000 foldable tire and kept getting flats maybe 1-2 per month sometimes. I stopped using them and went back to ...
1
vote
1
answer
76
views
Where should I install shift cable rubber shields?
I installed the two parts
shift outer cap with long tongue, and
rubber shield
as shown below, but I'm not absolutely sure this is right.
If I put the rubber shield (the one on the right in the ...
3
votes
1
answer
206
views
Is this SRAM X7 bent?
Lower jockey wheel seems to not be in line with upper so wondering if if was in an accident or bent somehow. If so, anything likely needed besides a new derailleur?