1
vote
1answer
88 views

if you replace the front gear system do you need to replace both the rear casette and the rear derailuer or neither

I've been given an old bike from the road which has gears where you can't tell what gear the lever is in (there is no number) just a lever in one of three positions or seven for the back). I am ...
1
vote
0answers
67 views

What's the inner width of my rim?

I just measured the inner width of my rim with a ruler and it seemed to be a hair over 14mm. Looking at the tire sizing chart on Sheldon Brown's site it doesn't have an entry for 14mm inner width ...
0
votes
1answer
75 views

Should I let chronic training load drop (as in stop training) to end my current level of tiredness or continue riding? [closed]

I currently feel very tired yet have not been doing much interns of high mileage, I have however entered a Tuesday night tt series which is usually 10 miles but the week it was a 25 mile tt. I feel ...
0
votes
0answers
79 views

Paint chips on MTB

I've picked up the inevitable paint chips on my LaPierre X Control 299, matte graphite or dark grey 2014. Is there anyone out there who is an expert on repairing same? Does anyone know what the car ...
0
votes
1answer
76 views

Handlebar size options

I was given few options to choose the handlebar size for my future road bike. The frame size is 60cm but for the handlebar I have these options: 40x90,40x100,42x100,42x110,44x110,44x120 I measured ...
4
votes
0answers
132 views

Why would anyone use DOT fluid and vacuum-based brakes?

Mineral oil is much less toxic than DOT, does not absorb water, has higher boiling point. Bleeding Shimano brakes is almost as easy as unscrewing the caliper bolt and pouring oil into the lever ...
-1
votes
1answer
105 views

Which type of bicycle is best for weight loss? [duplicate]

I want to know which type of bicycle is best for weight loss.
0
votes
2answers
157 views

Shimano tourney 7 speed shifter for rear not working

My bike's shifter for lowering the rear gears is not working. It just slide all the way and "click", "click" sound comes but gear does't shift to lower ones. Its currently stuck at the 7th gear and ...
1
vote
1answer
110 views

Can I mount a wheel with a narrow hub to a wide frame?

Suppose I have a 120mm hub with a long axle, that I want to mount in a frame with 130mm dropouts. In principle, it seems to me that this should be fine, but I want to confirm this. One immediate issue ...
0
votes
0answers
58 views

Burley Flex Connector, square tube vs round tube, does it really matter?

I have a new flatbed trailer that uses a square tube tow bar instead of a round like my kid trailer has. Since I'm setup on the Burley system, I need to use a flex connector for the new trailer. I ...
5
votes
2answers
202 views

Insurance for carless cyclist in California

I am a bike commuter without a car in California, that seems to be such an unusual combination that it is difficult to find insurance. I have health + disability insurance, my bike is worth less ...
0
votes
1answer
136 views

No Tourney or Altus parts on Shimano website?

Why are there no Tourney or Altus parts on Shimano site, only Acera? http://bike.shimano.com/publish/content/global_cycle/en/us/index/products/mountain/acera_9-speed.html? Did they stop producing ...
1
vote
2answers
93 views

Threads visible on axle of rear fixed wheel

See attached photo, I can see the threads on the drive side of my axel. Is this something that I should be worried about? Edit: Other side for reference
0
votes
1answer
21 views

Joshua X1 Rear Sprocket

I need a rear sprocket for a 1997 Joshua X1. Are they available anywhere? I live in North Carolina. If not does anyone buy the MTB for parts?
1
vote
1answer
346 views

Going from a 1x8 to 2x10 setup

After using my bike for a year I feel that although I enjoy the simplicity of a single chainring setup, I would prefer a more versatile 2x10 setup and would like to move to it. Currently the two ...
3
votes
3answers
387 views

How has biking changed in the past 15 years? [closed]

I am going to try commuting to work via bike and am really excited about it. The problem is, I haven't really ridden a bike in the past 15 years, when I was in high school. I used to love biking but ...
0
votes
1answer
108 views

Partially disassembling Sticky Shimano STI shifter for service

There are a few questions floating around regarding sticky STI shifters and the standard procedure seems to be to flush with a load of WD-40 and relube with aerosol grease or similar. My set is ...
0
votes
1answer
75 views

Replaced faulty Shimano twist shifter but front derailleur still won't catch 3rd

I have one of the ubiquitous Wal-Mart-sourced Chinese Kent bikes, badged as a "GMC Denali." It came with the Shimano RS41 3x7 twist shifters. The front shifter got to where it would not physically ...
0
votes
1answer
115 views

What Changed with Shimano Hyperglide-C?

Shimano's HyperGlide-C (11-speed), are the hubs backwards compatible? Can I put an 8/9/10-speed cassette on a Hyperglide-C hub? Can I put a Hyperglide-C cassette on a Hyperglide hub?
0
votes
0answers
39 views

Planet Bike speedometer won't reset

I have a planet bike speedometer and after the winter season it seems that it is no longer functioning. It will come on when the bike starts to move but I cannot reset it and it seems to be frozen on ...
3
votes
3answers
386 views

What to look for in a bicycle meant for the exercise?

I do NOT need the bicycle for daily commuting or mountain climbing. I need the bicycle for morning and evening exercise and just for roaming around in order to get some fresh air. I also want a ...
2
votes
2answers
127 views

Rim Stickers/Decals

I had my usual morning bike ride yesterday. Going home after about 1.5 hours, I noticed that my rim stickers (top part) were half gone because they get caught when I apply my brakes. Question 1: Is ...
1
vote
0answers
92 views

Chain drops in smallest gear under load

I'm baffled. I installed a new chain, cassette, cables and housing yesterday. On the stand, all is happy and shifting is silky smooth. On the road all seems happy except on the bigger cogs in back (in ...
1
vote
2answers
86 views

changing disc brake pad material while keeping same rotors

I would like to know what effect changing the material of a set of disc brake pads would have on the rotors if you kept them the same. for example, If I have resin pads and have been using them for ...
3
votes
3answers
184 views

Tyre Rubber Classifications

I was looking through a bike catalogue at one of the high-end road bikes (a $6000 Giant Propel) and I couldn't help but notice that this bike is advertised with specific tyres for front and rear ...
0
votes
2answers
167 views

Is it ok to mix 23 and 25 tyres

My road bike comes with 25 tires. They both seem to be slick smooth ones with little resistance. Recently I had couple of punctures in the rear and I decided to change the rear tire to a 23 which ...
1
vote
1answer
192 views

Chain not fitting chain ring

I just bought a 21-speed hybrid bike (Wal-Mart grade Schwinn) and to try to customize/simplify things (other bike is a fixie road bike), I removed the front deraileur and bought a new single-speed ...
0
votes
1answer
75 views

Trainers: Fluid or Mag

I'm looking at getting a trainer because I have next to no time to get on the road and want to start up with Carmichael's Time Crunched Training Program. Part of the program is to ride do high ...
0
votes
1answer
72 views

clincher wheel lifespan

What is the typical lifespan of a set of clincher wheel rims? I know there are a lot of variables, but roughly? To be specific I am looking at a set of Mavic Open Pro rims with 2000 miles on them. I ...
2
votes
1answer
219 views

Is it unhealthy to fail this bike fit and why?

Recently, on a beginner MTB lecture, I learned that the pedal axle should in no part of the stroke be horizontally in front of the knee. Not observing this is unhealthy for the knees. Also, here (btw ...
0
votes
5answers
241 views

Does Bike or Rider Weight / Groupset affect cruising speed on the flat

I posted this video on Facebook: ...
0
votes
0answers
40 views

Difference between Mavic Deemax Ultimate 2011 and latest version

Have an offer to get Mavic Deemax Ultimates from 2011 for my downhill bike. They cost half as much as the current model. Can anyone tell me what the changes are compared to the current models?
4
votes
0answers
138 views

Usage experience with anti-theft GPS trackers

Does anybody have any actual experience with anti-theft GPS trackers like BikeSpy? Their website looks terribly unprofessional and there are only very few testimonies online, but the idea is ...
1
vote
2answers
116 views

How do I tell the size of my braking discs?

Looking to replace my hydraulic disc brakes but intend to use the old discs. How do I tell the size of the discs to ensure I purchase the right brakes?
1
vote
1answer
152 views

Would an original Abloy padlock and [toughened] chain make a good bike lock?

Why are bike locks so fancy, so specialised? Would a small padlock, e.g. original Abloy make a good bike lock when connected to a chain? http://simple.wikipedia.org/wiki/Abloy (first image) Are ...
0
votes
1answer
109 views

What could be the reason for stem this far away

I own a bicycle similar to this one: (I replaced the handlebars with straight one on mine) I know that there were some weird designs back in '90s, but some reason probably exists for creating a ...
3
votes
3answers
259 views

26“ vs 28” wheels for touring

I was told by a friend that 26" wheels are better than 28" wheels for touring. Is this true? What are the pro's and con's? I'm told that 26" wheels are stronger for their spoke count. What are the ...
0
votes
2answers
141 views

WD40 on Single-Speed Chain [duplicate]

Simple Question: May I use WD40 to lubricate my single-speed chain? Does it not have any negative effects in terms of the chain performance and biking in general?
0
votes
1answer
45 views

Drop Bar for Lespo Frame?

I've been riding my Lespo single-speed since April, and been contemplating whether to change my handles to a drop bar: Any advice if changing to a drop bar will have a dramatic effect on my fitness ...
7
votes
4answers
285 views

Road bikes rim brake or disc brake

I am about to buy a new Road bike and there seems to be a host new road bikes with disc brakes, I've had a Mountain bike with disc and it's fine, just wondering what the pros and cons of having a road ...
1
vote
2answers
185 views

Are there front looking mirror options?

I have the standard drop handlebars on my road bike. When I'm in the lower position, my head is pointing down so my eyes are looking at the road and my front tire. Looking forward requires me to tilt ...
2
votes
2answers
97 views

Software to track and plan group rides

Is there software / online resources / Drupal distribution capable of letting riders self-track and perhaps rank various routes around a location? The end goal is to let new riders pair up with more ...
0
votes
1answer
81 views

Pain in my front shoulder muscle - suggestions? (Hybrid cycle)

I ride a hybrid cycle to/from work each day (10 km / 6 US miles each way). The handle bars are flat, and I ride with my thumbs gripped around the handle and 2 fingers close to or over the brakes (I ...
4
votes
4answers
236 views

Any tips on riding a roll-off, followed by a trench?

Any tips on riding this section of the trail? The land is sandy and the clearance afterwords is several meters. I can't ride it slowly, as it is too steep and the sand will slide off. I suspect the ...
0
votes
1answer
95 views

Replacing 28in wheels with 26in

I'm told that when touring (carrying a big load) you're much better off to have 26" wheels than 28". But most second-hand bikes seem to come with 28". Is it possible to replace the larger 28" wheels ...
0
votes
1answer
55 views

Shimano Deore Squeaking Sound

Any suggestions on how to reduce/eliminate the squeaking sound on my Shimano V-brakes? I dont remember doing anything, i just wipe my bike and rims every after ride.
7
votes
9answers
2k views

Good idea to commute with a road bike and keep it outside?

So I finally want to upgrade from my 1980 Schwinn World Sport 10-speed with suicide shifters to something more modern. I will be working in Texas this summer and want to commute to work, but I ...
2
votes
1answer
54 views

Are both sides of a Avid rotor the same?

i've got a Cotic Roadrat, and the disc mount on the fork is on the right hand side (as you're seated). However, the front rotor of the avid BB5s (road) i just bought can only be fit on the left fork ...
0
votes
0answers
66 views

How do I fasten my loose chain guard?

I have a dutch bike and over time the chain guard has come loose. It falls down and ends up resting on the chain. The problem is that I can't see a obvious way to fix it. There is no external bolt or ...
0
votes
1answer
51 views

Is the head angle on full suspension bikes given with or without sag?

Is the head angle on a full suspension mountain bike measured with our without sag? I would imagine that the rear shock sagging would give a slacker head angle than what is measured without sag.

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