All Questions
19,618
questions
0
votes
1
answer
17
views
Trouble finding the right headset for a tapered fork 1.1/8 to 1.25 for a semi integrated compatible 44 cm headtube
I'm building a bike for which I bought a 2015 Cube Aerium HPA Pro frame. I also have a Focus Evo 6th element fork. The fork is tapered from 1.1/8 to 1.25 inch, my headtube is 44 cm inner diameter. The ...
4
votes
1
answer
77
views
What's the significance of "Inside" vs "Outside" caliper hose connection?
When Shimano rolled over from the "x000" series mtb brakes (e.g. 6000, 7000, 8000) to the x100 series, one thing that changed is where the hose connects to the caliper. Before, it was on the ...
0
votes
0
answers
18
views
Shimano Dura-Ace M5 10-speed bar end shifters compatibility
I currently have Dura-Ace M5 10-speed bar end shifters on my triathlon bike. I want to add a larger cassette up to at least 30T. I will need a larger cage derailleur but I am not sure which one is ...
- 1
1
vote
1
answer
38
views
Most likely reason for a stuck lockout
My old RST First Air 100 Lockout (year 2010) fork has had a stuck lockout for some time. This fork has never been serviced so it is probably just damaged beyond repaired, but I am just researching if ...
1
vote
2
answers
54
views
I am trying to tighten my seat to keep it from rocking back and forth, but the bolt is stripped. this is a wide seat huffy
I was tightening my wide huffy seat and stripped the bolt, can I get just the bolt?
- 11
0
votes
1
answer
39
views
Rear brake is rubbing but the caliper is as far over as it can be
The hydraulic disc brake on the rear of my bike is rubbing quite badly, even after trying to realign the caliper. The caliper is as far over on the mounts as it can be and the rubbing still persists. ...
- 1
0
votes
0
answers
18
views
Diamond Back Ascent EX
I just purchased this vintage Gem, serial number 87H2509, I am planning to give a complete restore, with the exception of paint, paint is chipped a little but I really love the old school decals that ...
- 1
9
votes
1
answer
1k
views
Where is the speed sensor on my e-bike?
The speed indication on my ebike is acting up - most of the time it's showing a correct reading, but it occasionally drops to impossibly low values like 2 km/h for a few seconds while riding, then it ...
- 487
2
votes
2
answers
75
views
Disk brake caliber/fork compatibility
I bought a cheap 28" steel fork to replace a rusted 26" suspension one on an old Trek MTB for my kid. The geometry looks good, but I can't align the the disc brake caliper properly. The pads ...
- 21
15
votes
4
answers
3k
views
How maintenance-free can a commuter bike be?
Commuting is hard on bikes, especially when doing it all-year long. Maintenance is essential to assure one can get to work every morning without issues but it takes time and care.
Fixed-gear and ...
- 1,692
4
votes
2
answers
380
views
Hydraulic disc brakes: is 4 pistons front/2 pistons rear a "better" combination?
I bought recently a e-bike (urban/light offroad, front suspension). The spec sheet indicates that the brakes are Magura MT5 eSTOP. I noticed that the front calipers have 4 pistons, as one should ...
- 12.3k
13
votes
1
answer
446
views
Do "durable" brake pads accelerate the wear on the rotors?
When I bought my fun bike, the standard pads were B01S. Then a bit later, Shimano released B03S, that was touted as "40% more durable than B01S, with the same braking performance", and ...
- 12.3k
0
votes
2
answers
49
views
Wheel hub adjustment
My rear wheel was wobbly so I tightened the hub bearing which removed the play but caused the wheel to stop rotating freely. Stupid question I suppose, but is the adjustment just a matter of trial ...
1
vote
0
answers
32
views
Adjusting road bike to Wahoo Kickr: is this chain noise from cross-chaining, or do I need to index the gears?
I've got an 8-speed Mérida road bike (that is, 2x8, 2 front, 8 rear) that I'm fitting to a 2020 (v5) Kickr that I just bought new. I am learning about some bike mechanic stuff that despite many years ...
- 1,019
4
votes
2
answers
229
views
Shimano cassette replacement compatibility
I have a Marin bike with Shimano Deore gears. I think I need to replace the cassette, which is a 9-speed with the Shimano code CS-HG61-9. That cassette seems to be discontinued, as I cannot find it in ...
- 141
4
votes
2
answers
274
views
How long should an aluminium frame last?
This question has been asked before, and there have been several answers to it - including links to interesting articles and scientific analyses. The general consensus appears to be 5-10 years, ...
- 91
-1
votes
0
answers
36
views
LaFree Sport electronics
I opened the battery case on my LaFree Sport electric bike. The controller card inside was missing a fuse. I don't know with what value I should replace it. Help with amp value?
Also, since I am not ...
-2
votes
0
answers
59
views
New Stationary Bike Problem
Hello I have successfully put my bike together but…
Even when pedalling on the lowest setting the bike is to hard to pedal… I tried pedalling backwards today and the pedalling was smooth as I had ...
- 1
8
votes
2
answers
2k
views
What does this screw do (on my bicycle)?
I was trying to adjust the "H" and "L" screws on my rear derailleur to as to adjust the gears better to a Wahoo Kickr I just set up. However I accidentally gave a turn to another, ...
- 1,019
3
votes
2
answers
63
views
Shimano FC-RS510 compatibility with Shimano Ultegra 6800 and Shimano R7000
I have a BMC Granfondo gf01 (Rim Brake version) that was bought second-hand and came equipped with Shimano Ultegra 6800 (11-speed). Just the Crankset is different, being a Shimano Ultegra FC-6700 (10-...
- 31
2
votes
1
answer
80
views
Wireless bike computer will not enter sleep mode
I have used a Raleigh wireless cycle computer for ages and no issues. I just recently replaced the battery in the sensor and now the bike computer will not enter sleep mode. It is supposed to do so ...
- 21
7
votes
1
answer
327
views
Experiential difference between road and gravel bikes?
Specifically, looking at the Orbea Avant road bike vs. the Terra gravel bike, the frames look the same except for the fork. Can you just swap the fork and make one into the other? How close would an ...
- 225
7
votes
3
answers
2k
views
What do these tire markings mean?
My Schwalbe tire has the marking 37-622, 28x1.40, 700x35C, 37/110-622 M/C 26B on it. I understand that 37-622, 28x1.40 and 700x35C are alternative ways to indicate the same size. (Why isn't it 35-...
- 281
4
votes
3
answers
262
views
What do I need to consider when updating my Cannondale Topstone 4 groupset?
Last year I purchased a Cannondale Topstone 4, it was my first dropbar bike and I saw gravel as a safe do it all option as I got into cycling.
So far I love my bike but as I've become a better cyclist ...
- 49
1
vote
2
answers
77
views
Difficulties assessing whether drivetrain is worn
I've been a hobby mountain biker for a couple of years now. My bike is getting older and older (10+ years, still 26 inches) and I would like to do more maintenance jobs myself since it is not worth ...
- 11
4
votes
3
answers
526
views
Which direction should SH51 cleats disengage?
Trying out SPD-MTB Cleats on my hybrid bike.
Think I've realized I must have SH51 cleats because they only disengage in one direction. But it seems odd to me that they disengage in opposite directions ...
9
votes
7
answers
2k
views
Spokes damaged by chain – should they be replaced?
When servicing my rear hub I discovered that the drive-side spokes have been damaged by the chain. The spokes are rough to the touch (one even had a sharp edge that caught my nitrile glove) and some ...
- 3,548
1
vote
1
answer
39
views
What are the dimensions of a Trek Marlin 7 rear wheel quick release skewer?
My Trek Marlin 7 is size large and has 29-inch wheels. I want to replace the broken quick release skewer of the rear wheel and I need help finding a suitable replacement.
- 11
6
votes
2
answers
953
views
Pumps keep breaking
I've now had two floor pumps 'break' in use, a Beto and a Vandorm, the latter on the first use. Both are dual Presta-Schrader. Both 'broke' while attempting to inflate a Vavert 700X28/35C Presta inner ...
- 163
1
vote
1
answer
84
views
Old Raleigh Marathon road bike with new Shimano 105 crankset – What bottom bracket is needed?
Hey guys first time poster. I have a Raleigh Marathon road bike and I am pretty sure it’s an ‘85. The crank arm has been falling off so I have decided to just replace the whole crankset. I have been ...
- 11
-2
votes
0
answers
79
views
How do you put a bicycle chain back together? [closed]
Bit of a homework question, I admit, but it's not straightforward.
- 269
6
votes
3
answers
2k
views
Are you supposed to paint the spoke nipples?
I repainted my bike and recently rebuilt the rear wheel. But the front wheel has some ugly rust on the spoke nipples while the rest, protected by the paint, looks fine.
- 269
3
votes
1
answer
75
views
Shimano J-Kit installation
I'll soon be installing the BR-MT410 and BL-M4100 using the "easy hose joint system" (I assume) J-kit. The instructions look straight forward but i still have some questions.
The caliper ...
- 51
6
votes
4
answers
568
views
Pass/route/thread a chain? (Terminology)
What is the most common term referring to when you pass the chain through the RD when installing
a chain?
"Pass the chain through the RD"
"Route the chain through the RD"
"...
- 183
0
votes
2
answers
89
views
Question about durability of a hardtail
Having an mtb hardtail KTM ultra fire 27.5 (2015 model year) I wonder what it’s capable of in terms of jumping. I do get that it’s not designed for things of such sort but still want to know more ...
- 1
3
votes
5
answers
526
views
Shimano components upgrade - Claris/Tiagra to 105 R-7000
I posted the other day about giving my 20-year-old Specialized Sequoia a bit of a drivetrain upgrade. Currently, my set-up is a Shimano Claris triple crankset (50/39/30) with a Sora FD 3503 front ...
- 91
1
vote
0
answers
37
views
Does the rear gear hub on a 6 speed Brompton needs regular servicing? How do I know when it needs replacing?
I got my Brompton second hand. I believe it was originally manufactured in 2011 and I strongly suspect it's never been properly serviced - most teeth are pretty worn and the chain is sitting on circa ...
- 111
-3
votes
0
answers
45
views
Motor wheel Axel too wide [duplicate]
Edit: yes was referring to the below question. Go easy it's the first time I've asked for help on a forum.
Just wondering if there's any update regarding this issue?https://bicycles.stackexchange.com/...
- 1
5
votes
1
answer
235
views
Why do the ISO/ETRTO numbers not match the English measure on my Tires?
Given:
A flat tire
Tire size 47-507, 24 x 1.75
I want to replace both the tire and the tube. But in the shop it's only available 44-507, 24 x 1.75.
The tire size of 24 x 1.75 is common to both my ...
- 153
3
votes
1
answer
70
views
Clicking / cracking noise rotating crank MTB
Suddenly during the ride, strange cracking noise started to happen. It happens even without a chain. The crank seems to rotate smoothly otherwise. There are more cracking noises when rotating forward. ...
- 133
1
vote
1
answer
39
views
Roller Brake squeeking, even after body replacement
I have a Bakfiets with a roller brake system from Shimano (BR-C6000-F-DX).
The Front started making squeaking noises in the winter, so I bought the special Shimano Braking Lube, opened the brake, ...
- 574
0
votes
2
answers
108
views
My chain tool left a divot on my replacement pin. Is this normal?
I recently did a deep clean of my shimano 8 speed road bike chain by removing it from the bike. I used a chain tool to push out one of the pins (not the black one). I then replaced it with a 8 speed ...
2
votes
0
answers
52
views
Should the seatpost clamp be installed backward for a carbon seatpost in an aluminum frame? [duplicate]
Is it true that the seatpost clamp must be installed backward (i.e. its slot facing the handlebars) or at least with a slight offset to avoid aligning its slot with the aluminum seat tube slot when ...
- 1,692
4
votes
2
answers
341
views
Do I need to shorten the chain if I mount a smaller large chainring?
I have bike with 2x8 compact chain ring in front 50/34.
If I change the 50 to 46 do I need to cut the chain shorter?
I know I will adjust the front derailleur lower, right?
- 43
1
vote
1
answer
45
views
How to adjust fork and crown race?
When I removed the fork from my Marin Four Corners 2018 I discovered the headset is not as specified. Among other problem, the crown race is some noname piece not fitting any bearing (not the one ...
- 1,972
7
votes
2
answers
292
views
Aside from brakes, what items can be mounted to v-brake mounts?
I have a bicycle frame with mounts for both disc brakes and conventional brakes. I'm curious to know what other accessories I can attach to the conventional brake mounts if I decide to use disc brakes ...
- 1,398
1
vote
1
answer
97
views
How do you mod an internally geared hub to permanently run in one gear?
This is nowhere near a priority for me. But I fixed my first coaster brake, I'm high off my success and I want to learn more.
- 269
1
vote
1
answer
77
views
How to install a Bafang brake sensor on a road bike with drop bars and V brakes?
I'm planning to install an e-bike kit on a road bike with drop levers.
You must install a sensor for the motor to stop providing power during braking. However they are all used for normal brakes. ...
- 417
21
votes
7
answers
5k
views
14 "Trashed" bikes acquired for free. Worth repairing and reselling? What do I look for?
Very new to this, bike repair specifically. I tried my best with the tags. I'm mechanically inclined, like to tinker, and have many tools (not bike specific). Learning and time aren't really an issue. ...
- 211
-4
votes
0
answers
46
views
Serial number WYG8E00137 details?
Recently got a gt Power lite frame at a garage sale and its got no stickers on it or anything else to help me identify the bikes info
... I've searched for hours on the net and going round in circles.....
