2
votes
2answers
74 views

Material to make patches to fix Crosso / Ortlieb style waterproof panniers?

I've got some panniers to fix. I've bought some impact adhesive and I am working out which material to buy for the patches - will PVC ok ? or polyurethane or something else? Has to be waterproof and ...
9
votes
7answers
4k views

Is my bike getting ruined?

I have a 2015 Giant Trance that is about 3 weeks old. Used pretty much every weekend. It's kept in a shed (fully covered, no insulation just a regular shed), after every ride I give it a nice clean ...
11
votes
1answer
1k views

What powder is used inside an inner tube?

I just cut open an old inner tube I had laying around and noticed there is a white powder in there. What is it? Why is it there?
3
votes
3answers
3k views

Shimano PD-6800 vs PD-9000 pedals

Other than a 12g saving in weight and the Dura Ace label, are there any further potential reasons to prefer Shimano PD-9000 pedals over PD-6800? Edit: This question is specifically about pedals ...
5
votes
3answers
382 views

Can you tell me what the name of this bike is?

This is my bike from the 1970's and now 49 years later I would love to start looking for another one. I do not know the brand. Can anyone help?
1
vote
1answer
2k views

Replacing Tiagra 9-speed shifter with 9-speed 105 or Sora shifters

So my handlebars were stolen from my Salsa Casseroll the other night, levers and all. (Argh.) The bike has a Tiagra 9 speed triple drivetrain, and Shimano discontinued Tiagra 9 speed hardware, leaving ...
0
votes
1answer
124 views

Is it possible to add speeds to single-speed bike?

I found this cool cheap single-speed bike on amazon http://www.amazon.de/Fixie-Singlespeed-Viking-Farben-Auswahl/dp/B00BCKQ8AS/ref=lp_235171011_1_1?s=sports&ie=UTF8&qid=1422793944&sr=1-1 ...
3
votes
4answers
2k views

What type of shoes should I get with regular pedals

I have never been more than a casual rider, maybe 5 miles at a time. I signed up for a 500 mile multi-day bike event that i need to train for and was thinking about getting real bike shoes due to more ...
1
vote
1answer
1k views

Clicking noise coming from cog on fixed gear

Ever since I put my rear wheel on after taking it off, I have had this constant clicking noise from the cog. Here's what I know: It wasn't always like this. I rode for a few months with no ...
2
votes
1answer
595 views

How can I avoid mud from splashing onto my back without a rear wheel fender?

I enjoy cycling off-road. During rainy season, the cycling trails can get muddy. Most of the bikes from rental shops do not come with a rear mudguard. I tried to slow down and avoid puddles of water, ...
0
votes
2answers
187 views

Bicycles riding in pedestrian crosswalks — Houston

Should cyclists ride (not walk) their bike through a pedestrian walkway at an intersection? This may vary by municipality, so I am specifically interested in Houston, although I would be curious ...
2
votes
1answer
548 views

Do I really need a magic link or can I just replace the pin on my chain?

To install a new chain I need a chain tool to shorten it to the proper length. Why not just use that same tool to replace the pin and not deal with a magic link? Seems to me the pin would be ...
0
votes
2answers
379 views

Installing new threadless headset: how to set the crown ring and its rubber ring?

My old headset was loosy and feeling very instable. So I removed it, I got this: and I'd want to install it. I am wondering what is the right way to install the two pieces on the right. I know the ...
4
votes
4answers
897 views

Would a person standing on the top tube damage a carbon fibre road bike?

I was riding my aluminium bike and I met some people who had been trapped in a locked park, so I helped them escape by holding the bike against the fence and letting them stand on the top tube to ...
12
votes
5answers
1k views

How to thank motorists?

Often motorist do something that makes me wish they had stayed at home, but they also frequently do nice things too. Like slowing down to let me in to the lane, or making sure that they overtake with ...
0
votes
4answers
664 views

How to align a chain on a single speed

My bicycle currently has poor chainring/rear sprocket alignment (as in the chain at the front is more than a chain's width from the chain at the rear). I'm wondering what the procedure is to correct ...
0
votes
1answer
312 views

What to consider when looking for a chainguard?

Alright, the inner seam of my jeans is about done for, and I'm worried that I'll take a nasty spill the next time my pants get caught in there. Given that I don't want to wear gaiters or Lycra, I'm ...
3
votes
3answers
2k views

Unlock cleat from clipless pedal

I bought this week my first clipless pedals (Shimano A530) as well as some shoes to go with it. After installing one cleat on one shoe, I "locked" the shoe on the pedal, but I do not manage to ...
2
votes
4answers
1k views

Can I install caliper or cantilever brakes on a frame and set of wheels designed for disc brakes?

I have a 2008 Giant XTC 01 that came with disc brakes. Those brakes have been difficult to service throughout my time with the bike, now the pads on the back are worn out the fluid lines on the front ...
2
votes
1answer
103 views

Seating of spikes / studded tires

Some (most?) manufacturers recommend running studded tires on pavement for the first miles to facilitate "seating". As my commuting route touches little pavement but woods, I see little chance to do ...
4
votes
2answers
2k views

Is it safe to ride a steel bike with a dented/buckled frame?

I just noticed, to my great sadness, a small-ish buckle/dent in my diagonal lower tube. (I'm riding a Cooper T200 single speed.) I just moved house; I hope I didn't do it. I probably did. It's about ...
1
vote
1answer
281 views

Disk brake wheels - multiple wheelsets

I have a cx bike with disk brakes. I bought a second set of wheels to run road tyres while not off road. On my road bike there's always a minor adjustment to make to the brakes when changing ...
0
votes
2answers
74 views

What bike to get: [closed]

I live in Japan, where bicycles are an amazing thing to use. I was looking for a bike that had a place to put my backpack, as well as quick in the city but able to go over rough patches of pavement ...
3
votes
2answers
284 views

Bosch Nyon computer — syncs but no activities are transferred

I have an electric bike with a Bosch engine (Performance Line) and a Nyon Computer. My eBike Connect app (on iPhone) is able to connect to the Nyon (see screenshot) but no activities are ...
2
votes
2answers
405 views

Bosch Nyon and W-LAN

I have an electric bike with a Bosch engine (Performance Line) and a Nyon Computer. The Nyon is not able to connect to WPA or WPA2 password protected networks. If I remove authentication on my ...
7
votes
3answers
225 views

Why is this guy blocking the rear wheel?

In this video the guy has clearly blocked his rear brake, as we can see the rear wheel is not rolling, but sliding. In this particular context, what has been his intent? Could have he done it for ...
1
vote
3answers
206 views

Hamstring pain while cycling

I am getting serious pain in my hamstrings for the past couple of months while cycling. I warm up before I get on the bike and once I go back the road a bit the pain starts in both hamstrings. I got ...
5
votes
4answers
1k views

Bike lights with beam cut-off to avoid dazzling drivers?

Are there any bike headlights available that have a cut-off similar to a car's low beams, designed to avoid glare for other drivers? I am using the Light in Motion Urban 400 and while it's plenty ...
3
votes
2answers
2k views

Brake pads and removing the wheels

I am new to road bikes. I bought a new road bike. I wanted to take the front wheel out, but it was difficult because, despite of having "opened" the brake pads (with the quick release lever found on ...
0
votes
2answers
324 views

What size is the tiny ball bearing used in SRAM brake caliper quick release detents?

SRAM road brake calipers (mine are specifically Rival from 2011) have a quick release lever to facilitate wheel changes, as many calipers do. The SRAM QR lever has detents which make a little "click ...
0
votes
2answers
2k views

What fork will fit my bike? [duplicate]

I have this bike: http://www.bikebarn.co.nz/2015-merida-big-nine-20d-white.html I want to swap out the forks for some rigid forks. Please tell me what specs I should be looking at to get the right ...
5
votes
4answers
524 views

Schwalbe Marathon Plus recurring puncture - options?

Does anyone have any experience of using puncture resistant tyres when they have been cut so badly as the object pierces the tyre right through? Being Mr. Unlucky, 2-3 months ago I managed to get a ...
1
vote
1answer
214 views

Q-factor of external bearing BBs

Seems to me that the Q-factor for an external bearing bottom bracket will be greater than that of an equal size (say, 68mm road bike BB) cartridge bearing. Is that the case?
2
votes
1answer
152 views

How do I remove old hockey tape from drop bars

I used hockey tape on the drop bars for my bike and I need to remove it to replace the brake levers. Over time, the tape has become melted/fused together, and I used lots of layers for extra ...
0
votes
1answer
232 views

Incorrect number of clicks on SRAM MRX gear shifter

I purchased a bike with a "7 gear" SRAM MRX 200-70 gear shifter. However, the SRAM gear shifter only clicks 6 time (corresponding to 6 gear changes). Is the SRAM gear shifter faulty, and in need of ...
0
votes
2answers
2k views

Fox Float CTD Evolution vs Fox Float CTD Performance

What is the difference between Fox Float CTD Evolution and Fox Float CTD Performance? Except that one is most expensive and better? I mean real difference...
1
vote
2answers
321 views

Can I cut down a quick release skewer?

I recently purchased a Conquer brand trainer - I have learned a lot after buying this thing - but I didn't know what quick release skewers were before I purchased the trainer. I've got a skewer that ...
3
votes
0answers
122 views

Food for 400+km ride? (in single session) [closed]

Last September I did a 400km trip in ~23 hours. For food I went through 20 cliff bars. My stomach was pretty upset with all of those. This year I wanna try 500km. I am looking for an alternative ...
0
votes
2answers
75 views

Garmin edge 510

I've had this garmin since December all of a sudden it's not reading cadence and speed I've tried everything even reset it I think that made it worse can anyone help me I'm getting so frustrated ...
0
votes
2answers
166 views

Repair or Upgrade Centrepull Brakes?

I found an old Shogun Trailbreaker on the side of the road and I'm slowly fixing it up. It currently has centrepull cantilever brakes, which work fine on the front, however the rear brakes barely ...
-1
votes
1answer
98 views

Back wheel cannot turn.

I have an ONYX ONE 29' cruiser bike. It's a really big bike and it has rear wheel brakes. I recently removed the back wheel with a power tool, for I tried to remove it with a wrench, and it wouldn't ...
5
votes
2answers
254 views

Fatbike tire footprints?

I am curious if there are any empirical experiments, or theoretical computational results, comparing the "footprint" size of the various fatbike/29er/mountain bike tires? There are lots of claims ...
1
vote
3answers
218 views

How do I make my frame water tight?

I am trying to remove the rust from inside my steel frame. There are, however, a few small holes in various places along the frame. Any tips on how I can make these water tight so that I can fill it ...
3
votes
2answers
4k views

Trek Aluminium Grade Comparison

Looking through the Trek archives, I see they have frame materials described as: Alpha Black Aluminum Alpha White Aluminum Alpha Gold Aluminum Gold Series Aluminum 100 Series Alpha Aluminum etc ...
1
vote
2answers
349 views

How can I tell if I can add a front brake to my cruiser?

I recently had to give up running and decided to start commuting to/from work (about 15 miles round trip) so I could maintain my cardio fitness. One problem is I like to ride my cruiser (a Masi ...
1
vote
1answer
214 views

full fenders on a track bike

I recently purchased a Fuji Track Classic bicycle. It's meant to be my commuter bike. I was resigned to using a clip-on fender, but when I looked more closely it appeared that there should be room to ...
1
vote
1answer
32 views

What is the length of the Hope XC internal spacer from freehub to bearing?

I think I have a worn spacer as it has ragged edges. Does anyone have the length of this spacer when new?
0
votes
0answers
100 views

Which CARRERA model is this one?

I just saw an ad selling a used CARRERA bike. How can I tell which model is it?
0
votes
4answers
152 views

How tight should the spokes be on a bontegra wheel set stock for a madone 5.2?

Recently I encountered speed wobbles going down a bridge at 40 mph. I swear I saw death look me in the eyes. I'm considering the wobbles came from uneven tension on the spokes. The spokes are most ...
3
votes
3answers
360 views

How to board a ski chairlift that is not intended for bicycles?

As the end of the ski season is approaching, I am thinking about visiting our ski resort by bicycle. I would like to do it at the end of the season to avoid the inconvenience of the crowd, and ...

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