4
votes
1answer
65 views

Rim dish and flange angle problem

this is the n-th time I have faced with this problem. The problem is than one flange of the rim is higher than another one. As you can see on the photo. My rim is new this time, I have dynamo ...
0
votes
1answer
42 views

Rear derailleur on this set

I have one KHS sixfifty 500, I want to upgrade my bike so I have already bought Shimano Deore XT M771 front derailleur Shimano Deore M590 shifter So I want to know your suggestion to rear ...
0
votes
1answer
69 views

Can't take out front wheel

Someone messed up by quick release on the front wheel, so the side that says open is pointing outward. I can't undo the quick release now and take out the front wheel.
2
votes
4answers
57 views

Handlebar-mounted “turn indicator” that can pair with a smartphone for turn-by-turn GPS navigation [closed]

So far I've been using my Android smartphone and a combination of Strava and Google Maps for navigating/recording my routes. This works reasonably well, but as I've been going on longer and longer ...
3
votes
1answer
42 views

Do the cups of headsets with cartridge bearings wear out?

On my bike I have an FSA headset Orbit X-CX which has cartridge bearrings. I re-grease the headset a few times each year and have recently replaced the lower bearing after ca 13,000 miles. The upper ...
7
votes
2answers
88 views

Teaching a child to push off

My four year old started riding a pedal bike a few days ago, and thanks to his balance bike took to it like a fish to water; he's going up and down the street or park like a pro already. He ...
0
votes
1answer
41 views

What tool is needed to remove KMC X11 w/MissingLink, 11-speed chain?

I need to take it out and then clean it- its full of sand. Maybe even replace it. Does any universal chain tool work. Should I get one from the manufacturer.
3
votes
2answers
90 views

Should my aftermarket frame have a serial number on it?

I was riding a mostly custom WTP Crysis frame which had a serial in case the bike was lost or stolen. I snapped the drop out arms on Sunday and ended up buying a new FBM Hard Way frame. I checked all ...
1
vote
2answers
48 views

How to carry a large backpack on a bike rack?

My 3 kids ride their bikes to school and carry 20 pound back packs stuffed quite large. They won't fit in any pannier I can find. I've considered hanging them off the side of the pannier with bungies ...
5
votes
0answers
67 views

Is changing wheel necessary if freewheel hub with a different speed then previous is attached?

Approx. 3 weeks ago I have found an abandoned frame (including steering wheel, fork, brakes, pedals and shifting gears attached to it). I decided to use it to build a new bicycle since only recently ...
3
votes
1answer
81 views

convert 9 speed wheel to 10 speed, won't shift to largest ring

My Cervelo P2 has Dura Ace front/rear derailleurs, the ear wheel has Shimano 6600 10 speed cassette, it runs well. Now I want to use a pair of old Corima carbon wheels. The rear wheel, a 4-spoke, ...
4
votes
2answers
1k views

How should one cross the IJ river with a bike?

The IJ river flows through Amsterdam. Well, actually, it flows north of historical Amsterdam, but these days there's a northern borough. I've never been north of the river before, and I'm going there ...
4
votes
3answers
145 views

50/34 vs 52/36 crankset for 11-32 cassette (shimano 105 5800FC)

Following up on this enlightening answer, I would like to know the differences between 50/34(compact), 52/36(mid-compact) and 53/39 (standard). The cassette I am choosing is 11-32 to give me a wider ...
0
votes
0answers
25 views

What brand is my 20 bmx frame

Serial on bottom of crank case left side wen frame upright-F601W0135. Right side of crank when bike up right-HT-B01
1
vote
1answer
45 views

Maxxis Hookworm Tires

I recently purchased two Maxxis Hookworm street tires. There are no rotation arrows on them. Does this mean it doesn't matter how they are mounted on the wheel?
3
votes
1answer
28 views

Replacing rusty crankset

I am trying to replace a rusted crankset for a friend's hybrid and I was wondering if I get the same ratio set would I have to change the mechanism as that's fine.
4
votes
3answers
876 views

Why/how did flat bars take over?

Is there a verifiable reason for the ubiquity of flat bars on bikes these days?-- if so, what is it? It seems that 90% of the time I see people riding a newish bike that isn't a Dutch bike/roadster, ...
0
votes
1answer
70 views

Flat tires every morning [duplicate]

I just bought a new bike. I ride about 3 times a week. The last 2 times I've taken my bike out the front tire has been completely flat. I put air in it the first time it happened and went for a 10mi ...
4
votes
1answer
538 views

Why don't women have Cat. 5?

For road racing in the US, USA Cycling has women divided into four categories (4,3,2,1) and men divided into five categories (5,4,3,2,1). The procedures for category upgrades for 4-3, 3-2 and 2-1 are ...
0
votes
0answers
20 views

Need new 27x1 1/4 (32x630) tires, would the ones stated ONLY as 27x1 1/4 (without the 32x630 specification) fit?

Bought an old raleigh bike that needs new tires. Already made the mistake with the 700c (with horrible frustrating results), so need a bit of help. I saw some Kenda ones that ONLY state 27x1 1/4 ...
0
votes
1answer
62 views

My chain snapped ,need help [duplicate]

My chain broke today and I want to get a new replacement for it I just don't know what size I need my bike has 3 gears in front and 6 in the back which I'm guessing is an 18 speed and if you can leave ...
0
votes
1answer
45 views

How to clean a grimy old bike frame?

It's a 1950s eatons glider , used to be my great uncles. Sat in the garage since the 80s and now it's mine. Finally. Haha , but the paint just won't clean up. I've tried soap and water with a ...
5
votes
1answer
166 views

How many spokes can break before I need a new wheel?

3 of the spokes on my wheel are broken. How can I tell if the wheel is still good to use? Can I just replace the spokes or do I need to buy a brand new wheel?
3
votes
3answers
259 views

My rear wheel isn't properly spinning. How can I tell whats wrong?

I'm just getting back into cycling after a long hiatus. My bike is a little old and worn and its got some issues. The biggest one is the rear wheel. My rear wheel spins, but it seems to be off ...
2
votes
1answer
52 views

Shimano Rear Derailleur Max Capacity

I need to get a new rear derailleur. My chain rings are 53/39 and my cogs are 28/11 so if I am not mistaken I need a total capacity of (53-39) + (28-11) = 31. I need a 11 speed compatible rear ...
1
vote
1answer
30 views

cranks for a JIS bottom bracket

My bike is a 2016 Brompton, I am thinking to swap current cranks. Current BB possibly is this one (a JIS square taper), model: stronglight jp400 119 mm. ...
2
votes
1answer
53 views

Trouble removing bottom bracket

I've got an FSA MegaExo bottom bottom bracket that seems to have gone bad. I've head that FSA doesn't have the greatest bottom brackets, so I was going to try to replace it with this Shimano bottom ...
3
votes
0answers
65 views

one side of cantilever brake pads does not spring back

Same as this question one side of brake pad retention problem (i.e. attached to rim) but mine is a cantilever brake. The answer there doesn't work as mine doesn't have those screws and the brake ...
1
vote
1answer
28 views

Can one upgrade cable fork remote to a hydraulic fork remote? (Rockshox Pushloc to XLoc Sprint?)

I have a hard tail with a cable based remote lock: RockShox Pushloc: However, it's not that reliable. 90% of the time it works, but sometimes it get's stuck and won't unlock the first time ...
0
votes
1answer
36 views

How does this work? “Rotor BB30 to 24mm Steel Road Bottom Bracket”

I'm looking at ways to make a Claris/Tourney crankset fit a BB30 frame. I've seen that a "Rotor BB30 to 24mm Steel Road Bottom Bracket" is one of the options to make the two sizes work together. ...
0
votes
0answers
32 views

mountain bike URT modify

how do you make a URT mountain bike a hardtail bike? since URT has a 2nd suspension,how do I make that 2nd suspension feel like its not there?,just like a hardtail. also,are there any pro mountain ...
1
vote
1answer
49 views

E-bike battery doesn't work anymore, where do I get this specific one? [closed]

Can somebody tell me exactly what battery this is or where I can buy it? I appreciate any help a lot! If you need more information, please let me know. Edit: This is the e-bike the battery used to. ...
1
vote
1answer
41 views

Trouble with spiral folding bike lock - jammed

I use a spiral folding bike lock similiar to the one here: http://www.amazon.co.uk/RockBros-Theft-Folding-Hamburg-Colors/dp/B00MB7NUB6 It was a fairly decent lock, but now it's jammed; I've tried all ...
1
vote
1answer
33 views

Old bike compatibility with direct train bike trainer?

I'd like to get a direct train bike trainer (wahoo kickr) to exercise on. My current road bike is a Schwinn le Tour circa 1980, and does not have the 10 or 11 speed required to run on most direct ...
1
vote
1answer
70 views

Can I upgrade cassette without replacing rear derailleur?

On my road bike, I have an old 8 speed Shimano 600 Cassette like this: I'm not 100% sure about tooth count on each cog, but I think it's something like: 23, 21, 19,17,15, 14, 13,12 (probably?) I'm ...
2
votes
3answers
530 views

Shoulder pain caused by messenger bag?

I have a professional messenger bag (chrome mini metro messenger) I have been carrying for about 2 months. The bag weighs around 3 lbs and I generally carry about 4 lbs of stuff in it. Biketools, ...
4
votes
7answers
263 views

why would my chain slip on the road, but not when the bike is on a stand?

The chain on my bike has started to slip a lot -- every couple of seconds when riding. It happens, as far as I can tell, in every gear, and is unrelated to shifting. The precise nature of the problem ...
0
votes
0answers
32 views

New front fork on old Cannondale XR800

I have an old 2000 Cannondale XR800 (CAAD3?) that I want to upgrade with a non-suspension, disk-brake compatible front fork. Something like this. But what fork to buy? Anything I should know about ...
0
votes
0answers
32 views

How to carry professional clothing while riding a bike? [duplicate]

In the coming months I plan on moving significantly closer to my place of work. Since the commute by bicycle would then be about 30 minutes I plan to take my bike when possible. The only issue I have ...
4
votes
2answers
64 views

Is there a “conventional” configuration for mounted accessories?

Many different types of bike accessories as designed to be mounted via somewhat-conventionalized braze-ons: These braze-ons most often are on the down tube and occasionally on the seat tube and nearly ...
4
votes
2answers
245 views

Would a hard tail 29er be a good starter bike for road and light trails?

I can't really figure out what kind of bike I should be getting as a "loaner" bike. I have plenty of friends who want to go for a ride but have no bike, and ever since my last loaner got "borrowed" 2 ...
6
votes
2answers
212 views

Smooth tires on wet road?

In this answer : link (With regard to tires, there seems to be a widespread belief that the mountain bike tires will grip all kinds of surfaces better, including asphalt: in other words, that they ...
3
votes
1answer
28 views

Bottom Bracket size issues

I need to replace my bottom bracket on my giant rapid 3, the BB is a FSA BB-7420ST - 116mm (68x116mm), but it's hard to found or not available. My Question is: can I use a BB in 68x115 or 117mm ...
4
votes
2answers
234 views

Can I use a road bike stem on my mountain bike?

I've got a XC mtb which 1. I'm trying to cut the weight off , 2. I want a bit extra reach. I've got a longer road bike stem made by 'Deda' (I think Planet X)? and I was wondering if it will be strong ...
0
votes
1answer
52 views

How to tell the size of a bike chain? [duplicate]

My bike's chain broke, so I have to replace it now. The question is - how can I tell what size chain do I need to buy so it fits the bike? It's a 5 gear internal-hub bike.
1
vote
2answers
66 views

Is this brake cable alignment correct or problematic?

I have a BB7 disc brake to fit to a CAAD10. Am I fitting this wrong or have I bought the wrong thing? It doesn't look like the brake cable lines up with the rubber bit - like this: I have not ...
4
votes
3answers
98 views

I have a hybrid bike which the frame is too big, is there any modifications I can make to make it more comfortable?

I bought a hybrid bike from halfords around 6 months ago, however i have only recently had chance to ride it. I have found that the frame is too big, they wont exchange or give me a refund. I was ...
3
votes
1answer
18 views

Replacement for Shimano Nexus 7 outer casing holder

I swapped my Nexus 7 sprocket with a new and the bracket apparently has a much larger diameter, so my cable is not stopped. The drawings that came along showed that I need an "outer casing holder" ...
6
votes
1answer
112 views

Where does the energy loss in cycling go proportionally? [duplicate]

If you are biking on level ground with no wind, I understand that there are losses inherent in your activity which you provide effort to overcome (if you want to maintain a steady speed): Air/wind ...
3
votes
3answers
87 views

What is the minimum repair kit/parts I should bring on a 150 mile bikepacking trip?

Planning a 150 mile rails-to-trail ride (GAP trail from Pittsburg) with my family of 5. We'd potentially be 10 to 15 miles max from "civilization", probably further from a bike shop. But expect to see ...

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