Newest Questions
22,000 questions
1
vote
1
answer
41
views
How do I use this pump?
This is my tire valve:
Tire Size: 27X1 3/8
These are my pump parts:
https://www.amazon.co.jp/dp/B009VYEKSO?ref=ppx_yo2ov_dt_b_fed_asin_title
"Supports American, British, and French bulbs"
...
- 347
8
votes
3
answers
681
views
Very weak performance of the rear disk brake
In the last weeks I observed a marked decrease of performance of my rear disk brake (I have a Canyon Grizl CF SL 6 AXS, with a SRAM groupset).
When the bike is on the stand and I spin the wheel the ...
- 225
2
votes
0
answers
92
views
E-bike hub motor spins on direct battery voltage, but refuses to run on both old and new controllers — could throttle protection be locking it out?
I’m troubleshooting an e-bike with a rear hub motor that refuses to power up when connected to a controller, but the motor itself appears to be functional.
The hub motor spins normally when connected ...
5
votes
2
answers
662
views
Which training structure is better for me?
I am 15 year old female and I train cycling for 2 years. I train with coach in a club but he ''leaves'' us for winter alone. This year I bought myself Wahoo Kickr Core v2 (I used some old snap bike ...
- 51
10
votes
2
answers
519
views
What is the proper way to install an external circlip with no eyelets?
I took apart a rear wheel, single-speed coaster break hub and the driver is held to the sprocket with an external circlip. The circlip does not have eyelets. I did buy snap ring pliers, which did help ...
- 201
2
votes
1
answer
123
views
Vintage bike identification
Good morning everyone. Tried to look for a sticky but could not find, please understand I am new to the threads.
I purchased a vintage bike, seems to be between 1998-2005, just because it has these ...
- 21
4
votes
0
answers
65
views
Shimano Di2 shifter problem - Shifter Battery Discharging Abnormally Quickly
My problem is that the RH shifter stops working, I check the shifter batteries by depressing both levers and it showing red or nothing. However, when I check the batteries with a battery tester, they ...
- 41
-4
votes
2
answers
74
views
I need to replace my ebike battery
The ebike is the Cleytro ES7-W.
THE BATTERY is a lithium battery
52v 19Ah
Charging voltage:58.8
Production date 01/19 2024
2HJXD202401019 YV33V
6
votes
2
answers
617
views
Rear rack/fender mounting holes
I have a mid-2000s Trek FX 7.3 on which I'd like to install a rack and a fender, but I am not certain which holes are for a rack (or a fender). There are similar questions on the site, but as far as I ...
- 163
7
votes
5
answers
1k
views
How bad can it get if you ride indoors on rollers and fall off the tracks?
Context/Prelude
Despite my best intentions, and despite being thoroughly prepared with clothing and a bike with studded tires, I'm not stepping out as often as I would like over winter. (My excuses: ...
- 11.9k
10
votes
1
answer
797
views
Does tubeless sealant work in very wet conditions?
Sometimes I ride in very wet conditions, like puddles half of the way, so that the wheels are all the time totally wet.
Are there any tests or measurements showing how well do sealants work then? I ...
- 2,171
1
vote
3
answers
119
views
Pump doesn't attach to Presta valve
I have a Bontrager pump (one hole for both valve types; I think it's this one). I've been using it for several years with my Presta tubes. I just replaced my tube (the new one happens to be ...
- 11
16
votes
3
answers
2k
views
Making your own brake pads for mechanical disc brakes
I have an ebike with cable disc brakes and the brake pads wore out. There's no replacement pads to be had so I have replaced the whole brake units with the ones off my mountain bike. The actual pads ...
- 1,826
2
votes
0
answers
32
views
Will this Ubuy e-bike controller work with my Phoenix X1 350W motor and 36V battery?
I am buying a replacement controller for my e-bike on Ubuy, and I want to confirm compatibility before ordering.
{I did a continuity test from the battery and confirmed that the controller's ICs were ...
1
vote
0
answers
25
views
Replace hub rear wheel Giant Stance 1
Which HG rear hub is recommandable to replace a GIANT AM 29 wheelset, alloy 30mm inner with Satim spokes. This wheel is from a GIANT STANCE 1 Year 2022. The currently hub is a GIANT performance ...
