All Questions

Filter by
Sorted by
Tagged with
5
votes
2answers
163 views

Shimano Cassette Size Change

I recently purchased a wahoo kickr core and I picked up a Shimano Tiagra CS-HG500 11-32t cassette to put on it. Currently I am running an CS-HG500 11-34t cassette and GRX400 setup. Shimano's website ...
1
vote
1answer
51 views

What is this nut, and can I remove it and put it back without damaging it?

I am working on my bike and starting with derusting. The nut in the picture below has got some rust on it and since I am going for a proper looking-after I want to make sure everything is taken care ...
9
votes
4answers
240 views

"Private" roads in Virginia

So, a friend and I were out in Loudoun County, Virginia this weekend on a mixed-surface/gravel route that we got from a local bike shop. A few miles in, we are on a wooded two-track about a quarter ...
3
votes
1answer
53 views

repairing Meidai Top pump?

I've got a very old MeiDai Top floor pump, like this picture ... It suddenly stopped working, no resistance whatsoever from the plunger. I'd like to repair it. So far, I bought this "741" ...
9
votes
3answers
1k views

Upper pulley wheel suddenly totally off chain

Went for a bike ride today and thought the chain had slipped. Stopped and found the upper pulley wheel of the rear derailleur assembly was completely out of contact with the chain (please see photo)! ...
6
votes
4answers
771 views

What bicycle safe anti-car road spikes exist?

I am curious if there is a technology that allows bicycles to run over it, but will destroy car tires. From my understanding, usually poles like this are placed on trails to prevent vehicles from ...
1
vote
2answers
138 views

Road tyres and tubes for a mountain bike

A few years ago, I was given a very cheap dual-suspension 18 speed disc-braked mountain bike. Neither the giver nor I were very knowlegeable about bikes. I use it primarily for riding on the road, ...
1
vote
2answers
43 views

Repairing the rear drivetrain of an old road bike (issues with 7 speed)

My 7-speed freewheel (13-21t) needs replacing as it is very worn, yet it won't come off the wheel (it's stuck, the bike shop could not get it off). Since the rear wheel is old, for tubular tyres, and ...
7
votes
6answers
511 views

Back-free way to carry laptop

I commute to work and have been experimenting with various ways to bring my 16" laptop along with lock and few other small things. I currently just use a standard backpack. I'm looking for ...
0
votes
2answers
3k views

What's the approximate stack and reach for a 5'10" 178cm man

The top-tube length is no longer a good measurement for sizing a bike. Stack and reach are better for reasons I won't reiterate here. The problem is, while there are many lookup tables and calculators ...
4
votes
2answers
143 views

MTB Air Fork Settings

I have a rockshock air fork on my bike and it feels too firm. The compression is on the softest setting I believe so opposite to the lock symbol (see photo) so I think this means that it will compress ...
1
vote
1answer
33 views

Avid Jucy 3 Piston Removal (siezed)

I have a set of Avid Juicy 3 calipers that I have sucessfully replaced the pistons and seals on. Getting the pistons out of one of the calipers was not so easy though, and I ended up drilling the ...
31
votes
18answers
8k views

What can you do when a driver cuts you off?

Commuting into work by bicycle can be a serious challenge if you’re anywhere other than Amsterdam. I commute by cycling in London, about 6 km each way through busy parts of central London. Although I ...
34
votes
6answers
244k views

What is the maximum or minimum tire width I can fit on my bicycle

We often get questions on bicycles.stackexchange about fitting wider or narrower tires to bicycles. We have a large number of these with answers suiting the specific bike or style of bicycle in ...
1
vote
0answers
55 views

Am i getting the correct tire and inner tube?

So I have a Raleigh bike and I have to change the back tire and inner tube but don't know which one too choose I did write the number listed in the bike tire and a few options showed up when I ...
31
votes
9answers
10k views

Polite way to ride in the dark

Sometimes I ride in the park which has no light. There always are dog walkers, runners and other cyclists. So, when I ride towards someone I have two options: dim my light and slow down (since I can'...
3
votes
3answers
473 views

Internal hub shifters vs derailleur shifters indexing?

What is the indexing like on the popular internally-geared hubs (shimano nexus and sram i-motion)? Can one use a 3-speed front shimano derailleur shifter (e.g. acera) for a 3-speed shimano nexus hub? ...
5
votes
2answers
135 views

Burning smell from rear rim cantilever smooth pull brakes

Engaging the rear brake results in a burning smell and significant brake wear, so bad that within just a hundred miles or so I caused significant loss of material on a brand new pad set. Looking at ...
0
votes
0answers
35 views

managed to take lever apart, other then the pistons, because of retaining plastic piece

I have managed to take lever apart, other then the pistons, because of a retaining plastic piece, this would be removable, but is held onto the external part of the lever by a small needle sized ...
1
vote
2answers
61 views

SRAM Force eTap AXS 2x12 compatible with Shimano 11-speed crankset and Shimano rim brakes?

I wish to upgrade my bike with the "SRAM Force eTap AXS 2x12 Upgrade Set"; this set would include the derailleurs and levers. The thing is, my current Shimano Ultegra 11-speed crankset (FC-...
18
votes
2answers
5k views

On a long smooth descent, do brakes really heat less with intermittent hard braking compared to dragging?

It is my impression (both from experience and from online opinions) that braking on a mountain bike is to be done in intermittent hard engagement of one or both brakes. The reasoning being that ...
4
votes
2answers
351 views

What power adapter to use for the Cybex 700 stationary bike?

An old Cybex 700 stationary bike stopped being useful as the control panel doesn't turn on. There is a power socket but I don't know what power adapter to use: the user manual doesn't say, nothing I ...
1
vote
2answers
519 views

How to release Planet Bike fender safety release tabs

I have Planet Bike Cascadia Fenders and wondered how the safety release tabs work. I recently bought replacements for them: https://www.planetbike.com/store/products/bike-accessories/service-parts/...
2
votes
1answer
58 views

Shimano 105 5800 front derailleur hard to shift up

Hello i have a Shimano 105 5800 front derailleur but i have trouble using the low trim position. Shifting from the low to low trim is very hard and i have to overshoot it for the fd to move. This is ...
0
votes
2answers
83 views

Why does Shimano Nexus 3 internal gear feel differnt on 2nd gear with and without the pin and gear set up

I have a Windsor brand bike that has a Shimano Nexus 3 internal gear hub. Initially when I purchased the bike used it did not have the shifter. The chainring is 44 teeth and the cog is 22. It felt ...
13
votes
3answers
5k views

Why are all road bike frames now squashed parallelograms?

I am currently shopping for a road bike and have questions about current frame designs. My height is 6'3" and decade(s) ago I always liked frame designs for which the top of the seatstays joined ...
2
votes
1answer
91 views

How to create resistance in brake lever for v Brake

When I depress my front brake lever it just goes all the way to the handle bars offering no resistance and the brake pads apply little pressure to the rims Why is this and how do I fix my vbrake. ?
1
vote
2answers
25 views

PROMAX DECIPHER hydraulic brake hose replacement

I have a set of PROMAX Decipher hydraulic brakes and need to replace the hose cable (basically adapt these brakes to another bike and the cables length is longer). I would like to know how to split ...
1
vote
1answer
57 views

is Shimano GRX ST-RX810-R 11 speed shifter compatible with Shimano XT M8000 Shadow+ Rear Derailleur - 11 Speed - Medium Cage GS

is grx ST-RX810-R rear shifter compatible with xt rear derailleur, Shimano XT M8000 Shadow+ Rear Derailleur - 11 Speed - Medium Cage GS
3
votes
2answers
127 views

Felt F2 2014 Fork advice needed

I got hold of a 2014 Felt 2 56 cm frame without fork, really light frame. In my simple mind I thought I could easily find a fork for this bike. I had a look on here. https://99spokes.com/en-GB/bikes/...
1
vote
1answer
28 views

Loosen Thule Axle adaptor + hub adaptor

I recently changed my bike and need to migrate the Thule trailer axle kit. However I am unable to loosen the axle adaptor from the hub gear adaptor. These products: https://www.amazon.de/-/en/gp/...
0
votes
2answers
243 views

Crankset and derailleur

Iam checking out my new mtb for it's parts. How can I be sure, the cagelength on the rearderailleur it has the right lenght for a derailleur. The difference between the large and the small on the ...
4
votes
1answer
178 views

Safe to ride racing bike with dent in frame? (with images)

Through some relatives I got a Cannondale R700 2.8 bike for free, but it has a dent in the frame, and I heard from some people that it could be serious issue. So my question is, is it safe to ride ...
25
votes
4answers
3k views

Can road bumps excite frame eigen frequencies?

During my last bike holiday I have happened to ride downwhill on roads which had transversal stripes to mark the approaching of a turn. The stripes were made with road paint, and were slightly higher ...
4
votes
3answers
872 views

What's the deal with 135mm O.L.D. road bike wheels?

I've been shopping around for replacement wheels for my 10 year old Specialized Tricross, which came with an AlexRims Ace 19 rear wheel with a 130mm O.L.D. hub. I measured the rear dropout at 131.3mm ...
1
vote
2answers
125 views

Confirming: Bike tyres do not have date of manufacture stamped

Car tire/tyre manufacturers stamp the date of manufacture on the tyre. The idea is apparently that the rubber starts to deteriorate from that date, regardless of whether it has been installed. After a ...
1
vote
1answer
74 views

Hub motor is frozen!

I bought a 1500w motor & supposedly compatible controller from ebay. I put it together, and it worked good! I let it sit a few weeks. Hub is now FROZEN. it has ~2" of free roll then hard ...
2
votes
1answer
109 views

Is this level of wear okay on a new chainring

Very recently I bought my first new bike! I only did 750km on it so far. However the the chain rings are showing some level of wear, see picture. The teeth used to be all black, now you can see bits ...
1
vote
1answer
40 views

What to replace a rear Shimano RSX derailleur with?

I have a Shimano RSX 8 speed rear derailleur and on a 20year old bike. It starts to play up and I would like to replace it. Since the RSX-Series is not produced any more, I was wondering with which ...
6
votes
3answers
1k views

Crack in aluminum seat lug on carbon-aluminum frame

I recently bought this old road bike and just noticed this little crack. Any advice on how to handle this? Can I reinforce it somehow? It's aluminum and carbon fiber frame. Mahalo, Casey
4
votes
2answers
609 views

Tubeless ready tires remain porous after addition of sealant

This question is a follow up this question: Used tubeless ready tires leaking air (that were used previously with tubes) I'm trying to get a 'working tubeless' system, and the pressure keeps dropping (...
16
votes
8answers
3k views

How do I overcome pre-ride anxiety and sleep well before a long ride?

I would consider myself an advanced rider in that I’ve ridden a great many century (miles) rides, am an organizer of group road rides, and can change a flat in my sleep. I am not a racer. The problem ...
1
vote
1answer
2k views

What make is my bike?

I would like to cycle to my school but there are some questions that I can't answer like "Make of bicycle" , "Type of bike" and "Frame of bike" I would like it if someone could tell me.
3
votes
2answers
88 views

One rear cog doesn't shift down

Recently, I have replaced a chain after noticing that the old one gained 0.75-1 percent of elongation. After that everything worked fine, i.e. shifting was consistent and smooth, drivetrain worked ...
1
vote
2answers
86 views

Are these N04C pads worn out or not?

I don't know how to tell myself so need help, please. It does look like there is still metal to be used for braking, but the brakes barely grab these and instead make a squeaking sound. I have ...
0
votes
2answers
79 views

Derailleur Hanger Replacement

I have just replaced my derailleur hanger but it wont tighten properly the back keeps spinning so it never gets fully tight? Is there a special tool I need or is it meant to be like this?
2
votes
1answer
63 views

Crankset with one chainring and two chain guards?

I would like to custom build a crankset which would like the one I have on my ebike, but with more teeth. My current chainring is 52T, and I would like to go up to 58T. What I have is a four bolt, ...
11
votes
5answers
2k views

What conditions are studless winter tires good in?

We're coming up on the time of year when the roads freeze overnight and thaw for the day, and studded tires are irritatingly loud on bare pavement. Because of this I'm thinking of getting the studless,...
12
votes
3answers
2k views

Whatever happened to the 4 x n derailleur drivetrains?

Around the mid-1990s I am positive I remember seeing bikes with 4 x n drive trains e.g. 28-speed (4 x 7 gears). There is nowadays a trend towards just 2 or even 1 front sprocket e.g. 1 x 12. More than ...
3
votes
1answer
129 views

Atomized bubbles while following Park process to bleed Magura MT5

I have the Park tool mineral oil bleeding kit (BKM-1), and followed their instructions for bleeding my MT5 calipers. I ended up with soft/useless brake caliper. I think maybe I introduced air into ...

15 30 50 per page
1
2 3 4 5
357