6
votes
2answers
128 views

Why do spokes loosen?

Is it true that the they twist small amounts as you hit bumps while you ride, and that's why they loosen? Would gluing spoke nipples simply solve this problem?
4
votes
1answer
94 views

How old is this rear steer skip tooth tandem?

How old is this Tandem Rear Steer Skip tooth ??
1
vote
2answers
82 views

Power washing a bicycle [duplicate]

I'm moving from the UK to Australia later this year, and shipping most of my stuff, including two bicycles (simply hybrid bikes, nothing fancy). Australia has strict biosecurity rules about what you ...
1
vote
1answer
56 views

What does “HX” mean on a KMC chain?

I'm looking at buying a new single-speed chain and have pretty much settled on getting one of these two: KMC Z510 or KMC Z510 HX but can't figure out what the HX actually means. The HX costs 37% more ...
4
votes
1answer
56 views

Spokes popping, chains jumping gears while not shifting and derailing when shifting, etc

I've had the same Trek bike for 3 and a half years with ongoing shifting problems, but for the last 6 months I've had a litany of problems. My LBS is at their wits end. Spokes are shearing regularly, ...
0
votes
1answer
67 views

Do one-sided clip-in pedals have a bit more friction and inefficiency than alternatives?

Moving from old style pedals years ago, to when I took up cycling again more recently, I noticed a difference when oiling the bike, while doing maintenance. After oiling an old style pedal, I would ...
3
votes
0answers
58 views

Odd screw on brake disk

Worked on my first disk brake bike yesterday. It was a full-suspension BSO with cable disk brakes. The rear wheel had two broken spokes, and they where threaded such that I could not replace the ...
0
votes
3answers
84 views

Is there a technique/tool to assist with rear derailleur high, low, and index alignment?

Everything I read gives this picture like this: Yet the reality of this alignment, it can be somewhat difficult. Is there a better technique or tool to help get the high, low, and index shifting ...
10
votes
1answer
3k views

Can I ride on 15 spokes instead of 16?

On my way to work this morning, one of the spoke on my front-wheel broke. I removed it completely, leaving me with 15 spokes instead of 16. Can I still ride my bike over a 20km distance. I noticed ...
1
vote
1answer
34 views

Shimano 6 speed cassette

I have a new bicycle, my first with multiple gears. The shifter is on the right handlebar. Does gear 0ne on the shifter indicate the smallest wheel on the cassette or the largest wheel on the cassette?...
5
votes
3answers
105 views

Power Output at different Air Pressures

http://www.johnsavesenergy.com/resources/Air+Density+small.png At lower air pressures you get less Oxygen but how does riding at lower pressures exactly affect your performance? Assuming you are ...
10
votes
6answers
1k views

Hand signal before braking: a thing?

In this question I have seen a number of answers/comments mentioning hand signals to notify traffic/cyclists behind you ahead of braking. I have never seen anything similar in Europe (at least where ...
14
votes
1answer
647 views

What is a sensible user service schedule for a professional work bike in non loaded applications such as food delivery?

I am now a food delivery boy. I currently check brake and tyre pressure daily by riding. I wipe my chain and brake surfaces weekly. My weekly run is 400 km and 66 hours on road. As a non mechanic ...
0
votes
1answer
53 views

MTB front and rear shimano derailleur: which shifters for drop bars?

I would like to convert flat bars of my MTB (old one: ATX 770 Giant, 7 speeds cassette with Deore DX derailleur and 3 chainrings crankset with probably DX as well) to drop bars, for touring purposes (...
0
votes
1answer
97 views

When in a UCI race, does the helmet have to be to be fitted properly

I noticed that Nibali's helmet was very loose when he went down during one of the last stretches of the 2016 Giro d'Italia. A helmet is almost useless if it's not properly fastened. I understand that ...
3
votes
1answer
151 views

New puncture resistant tires punctured after 2 min ride

So, because I do ultra-light touring I bought new puncture resistant tires for my road bike (Continental Grand Prix 4-Season, 28c), I installed them and after two minutes I had a puncture. First I ...
1
vote
3answers
75 views

What parts needed with new chainring?

I've read that the chainring is that spikey gear wheel at the bike's pedals that the chain egages with. The teeth on that chainring are so worn on my bike that the chain jumps off depite adjusting ...
15
votes
1answer
912 views

What is this frame feature for?

I have a Kinesis Tripster ATR. The drive-side seat stay has a lug on it whose purpose I can't work out: There's no such feature on the other seat stay. What is it for?
3
votes
2answers
205 views

Foot shifting while pedalling

I have been contemplating clipless pedals as the next logical step. So after a bit of research and reading this question and it's answers I find myself a bit unconvinced mainly because nothing covers ...
7
votes
3answers
212 views

Any drills for looking while riding?

I have come to believe that the major skill when riding singletrack is scanning the terrain. After any turn there could be a hiker, a fallen log or just a boulder that you didn't memorize during the ...
1
vote
1answer
70 views

Which countries have employed rail biking in their armed forces?

Can anyone tell me which counties have employed rail bikes in their armed forces? I remember seeing pictures of soldiers riding the rails on bikes, but cannot recall any details of them. Rail ...
1
vote
0answers
37 views

Fork trail vs chainstay length in steering

Is fork trail or chainstay length is a bigger determinant in the overall steering of the bike? Consider an arbitrary frame that I think is steers too slowly. I'm going to rebuild it because I want a ...
3
votes
3answers
75 views

Disassembling crank on a 2006 Trek Pilot 2.1

I'm trying to disassemble the crankset on my 2006 Trek Pilot 2.1; the bike has all OEM parts. The crank is a Bontrager race crankset, which I'm to understand is a a rebranded Truvativ crank. For a ...
6
votes
3answers
685 views

Frame manufacturer not covering crack as saying it was crash damage

My Ti frame developed a huge crack in the frame a week or so ago. A pain I thought bit it'll be covered by warranty... The frame builder is now saying that it's crash damage. I really really doubt ...
0
votes
2answers
69 views

Does removing spacers require a refit?

As I get more and more used to my bike's aggressive geometry, I'd like to slowly remove the spacers. I have two right now and my LBS who did the fitting said you can remove them as you get more used ...
4
votes
1answer
125 views

Modded folding bike and strange chain skipping on most gears

I've a folding Tern Link D8 that I've started customize by replacing some parts...what is driving me nuts is a strange chain skipping that happens on some gears and only when I apply some force (...
0
votes
1answer
38 views

Changed shifters and chain isn't in same spot [duplicate]

My friend changed out the shifters on his bike and his rear derailleur isn't on the right sprocket based on what his shifter says. How can you fix this?
3
votes
1answer
48 views

I slightly wrecked my bike - looking for parts - how do I start?

2003 or 2004 Specialized Sirrus DISC - my son ran into a parked car and now I need a new front wheel, rotor and fork. The whole thing is silver, Chromoly. I love this bike, it was a trusted commuter ...
-4
votes
0answers
60 views

Do you know this brand?

Hey I'm trying to find the name of this brand. It is a BMX Bike, I am familiar with most brands and their logos, but not this one. Can anyone help?
2
votes
1answer
78 views

How strong is the remote lockout on rock shox?

I ask because I realized yesterday that I had left lockout on for hours of riding at a bmx style track hitting jumps and wallrides. I found the lockout helped a lot and I'll continue using it for ...
3
votes
2answers
109 views

Bottom bracket creak

I've recently bought a second hand carbon bicycle. The bottom bracket was making a creaking sound under pressure, so I took it to a shop and they put in new bearings. But after 1 or 2 cycles it was ...
0
votes
1answer
71 views

Choosing new tires: can't find my size on schwalbe site

My bicycle is Merida Crossway MD-40. I Measured the tires and got the following numbers: 701mm x 41mm. Or 27,42 In x 1,6 In. I wanted to buy one of Schwalbe tires for it. But to my surprise my size ...
1
vote
0answers
71 views

Semi-slick 29x2.4 (or larger) tires

I have a set of Velocity Dually 29” wheels. The interior rim width is 39mm. I currently have Surly Knard tires but get a lot of buzz when riding on pavement. Ideally, I'd like a set of tires that run ...
4
votes
3answers
158 views

How can I check if my bike is safe for touring?

I have an old second-hand bike that I use daily for commute, and in a few weeks I want to take it on my first bike tour around Europe. I'm a bit worried, since the bike is quite old (has some rust ...
1
vote
1answer
37 views

Do I need a different bottom bracket?

I have a road bike that has a triple chainwheel setup (48x38x28)in which the chainwheels are not replaceable. (Made by SunTour) The middle chainwheel has broken a tooth so the whole thing needs to ...
1
vote
3answers
88 views

Headset wobble after tightening

I own a Cannondale Super Six 105 (Ultegra now) Carbon 2012 bike and I can't stop the wobble in the headset. If I tighten down the top cap (with 6mm hex) I can get rid of the wobble (hands on the ...
2
votes
0answers
83 views

What kind of German bike is this?

I want to buy this second-hand bike but the person selling it lives in a different city and I can't go there at the moment. However I can't explain it but I really like the bike even though I only ...
5
votes
1answer
305 views

Are all folding pedals a bit… bendy?

I have recently acquired a folding bike. One of the most irritating things is the folding pedals, as pictured: Pedal in folded position Pedal in deployed position, ready to ride Close up of ...
1
vote
2answers
48 views

Can I convert a 1x9 speed Madsen kg271 cargo bike to a 2 or 3 x 9?

I know most these days seem to want to go the other direction, but my partner would like more gears on this heavy cargo bike that can be tough to pedal uphill. I think the frame has all of the ...
3
votes
2answers
76 views

What is the advantage of a “compact crankset” vs changing a chainring?

It seems that I'm old (my last good bike had a 5-speed freewheel and shifters mounted on down tube braze-ons - they were indexed, though!), and I've been out of cycling for quite some time. I've seen ...
2
votes
1answer
75 views

The sprocket wheel on my Shimano Nexus 7(SG-R46) no longer rotates freely when free-wheeling my bike

The hub has just been serviced at a bike shop. With the bike on a work-stand, the rear wheel rotates when I turn the pedals backwards. There is a lot of resistance if I hold the wheel and turn the ...
8
votes
1answer
1k views

Found at an Estate sale [closed]

I have an opportunity to buy this bicycle. No idea what it is or what its worth. Any help would be appreciated
5
votes
1answer
45 views

Replace my stock crankset and cassette for a 22-32-42t crankset and a 11-40t cassette on recumbent trike?

I am leaving on a coast to coast tour starting in Florida and ending in California this November. I have a Catrike Expedition with a 30-39-52t Truvativ Elita and a 11-30t cassette with a 26" rear ...
4
votes
2answers
234 views

Need I mount my wheel flush to the top of my fork ends?

Using 28c tires with a recently purchased carbon fork, I found I had only ~1mm of tire clearance from the top of the brake caliper. However, if I mount my wheel slightly lower in my fork ends so that ...
1
vote
1answer
86 views

When should a disc brake be replaced?

I've had my bicycle for about three and a half years. I use it just about every day, for a total of 30 kilometers of commute a day. The problem is that my disc brakes have started making weird noises ...
1
vote
1answer
58 views

Indexing 6 sprocket rear derailleur, having trouble reaching largest sprocket

I'm trying to index my rear gears after replacing my 6 sprocket freewheel. I've set the limit screws fine, but I didn't have enough play in the barrel adjusters to make much adjustment, so I undid the ...
4
votes
1answer
70 views

Uncut steerer tubes too short for 21" Frames

I am restoring two old bikes a 1996 Trek 8000 and 2000 Fuji Aloha. Both are 21" frames. The problem I am having is getting forks that do not cost $1000 and have steerer tubes with sufficient lengths. ...
1
vote
0answers
21 views

Schnell Flame Suspension Configuration [closed]

Do anyone have any idea about Schnell Flame Suspension Configuration like bounce absorption, jump capabilities, pot holes*disk brake measures etc.
1
vote
3answers
90 views

Stripped threads on left crank on the first ride

I just purchased a new road bike and had a friend assist me in the assembly. There must have been a problem because it fell off after only 2 miles of riding for the very first time. I used a pedal ...
0
votes
0answers
14 views

Road bike/3x7 shimano - Upper gears shift fine, Gear 1x7 unreachable [duplicate]

Getting it to shift down into gear 1 on the crank arm gearset is almost impossible unless I manually derail the chain with my foot on the fly while rapidly trying to prepare for a steep hill, etc. ...

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