0
votes
1answer
17 views

Loose Handlebars

I recently got into a small bike accident and the handlebars became loose. It seems to not be in sync with the front bike tire. I tried to tighten the headset and locknut, nothing seems to work. I can ...
0
votes
1answer
13 views

I'm evaluating how to best match a new handset and rear wheel to a vintage rebuild

My first bike after move to Japan. Picked up an old 520 Cro-MO frame by Tsunoda - Grand Prix , minimal rust and decent paint. It had some old Suntour VX derailleurs, aluminum-far-too-narrow drop bar ...
3
votes
4answers
75 views

Torque wrenches

How do I determine the torque required for different bolts, etc.? I am new to the world of torque wrenches and have not purchased one yet. I am suffering from chronic loosening of the left side crank ...
1
vote
0answers
37 views

What does this road sign mean?

Every day on my way to work (in the UK) I pass a road sign that I don't recognise (reproduced below). My gut instinct is that it's a bridge of some description but it's on a normal ...
0
votes
1answer
15 views

Shimano Alivio M4000 vs Altus M370 shifters

I'm planning to upgrade my shifters to Alivio M4000. My old shifters are Altus M370. My question is will this make a significant differrence on my shifting? I'm running Altus M310 FD with Alivio M4000 ...
0
votes
2answers
417 views

Can you inflate a completely flat tire?

I haven't used my bike for almost a year and I need to start riding it again, but it appears I have a flat tire. I don't think there's something wrong with the tube cause I haven't used it for a ...
3
votes
1answer
98 views

Bicycle Frame: anodized Aluminium?

I need help with identify what materials is this frame I need to know if this is indeed aluminium? (weight 1.2 kg for 15 inch frame hybrid, is not ferromagnetic). If it is, why would it have a ...
2
votes
2answers
152 views

8 speed free wheel with single speed crankset

I would like to change my bike setup. I have a 8 speed freewheel and a 3 chainrings crankset and I would like to add a single speed crankset in front (around 50 teeth) because I am not using my front ...
0
votes
2answers
29 views

Race Face Crank/Chainring Compatibility

I have a Race Face Evolve DH crankset which takes 104 BCD chainrings. However, I pulled a 104 BCD chainring off a Shimano Acera Crankset and the rings don't interface properly with the Race Face ...
0
votes
1answer
26 views

Shimano RT66 Rotors on Tektro Auriga

I'm thinking of changing my original Tektro Polygon rotors to Shimano RT66 rotors. Both use 6 bolts and 160mm size. Is this will be fine with my Tektro Auriga brakes? And will changing the rotors ...
2
votes
2answers
38 views

inner tube length size question

So I bought a used road bike from WI recently. and just a couple days ago i got a flat. I took out the tube wanting to patch but saw that it was all patched up. So i decided to just buy a new on. the ...
1
vote
1answer
361 views

Pedals feel like they are too far back

I bought a cheap bike to ride around the driveway/neighborhood with my kids. It feels like the pedals are right underneath my butt rather than just in front. Makes for not so comfortable position. ...
3
votes
1answer
95 views

Standing vs. high rpm for acceleration

I've been working on my cadence for several months now, and I feel like I've gotten to the point where I'm more comfortable using high cadence instead of standing up when I want to accelerate hard. ...
0
votes
0answers
17 views

Preload Adjuster Use on SR Suntour XCM

I've got an SR Suntour XCM HLO 27.5" 100mm travel that comes with my bike. It has preload adjuster on the left and lock on the right. What I wonder is how to properly adjust the fork ...
7
votes
5answers
711 views

Speed and distance for a beginner

I'm 26 and haven't ridden a bike since I was 15. I decided to start again and purchased a nakamura crossland, last Saturday, to get back into action. Last Sunday, I did 17km in 50 minutes on a mostly ...
0
votes
2answers
115 views

Expanding the range of capabilities of a gravel bike

I'm a believer in having just one bike that i can use for anything I do, mostly club rides and light touring. I currently have a Giant Defy 1 with 28c tires, but am intrigued by the new gravel grinder ...
6
votes
1answer
156 views

What is the second thread on the crank for?

I am trying to fix the problem with my bicycle where the left crank keeps unscrewing itself. The thread on which a serrated lock nut should keep the pedal in place is conventional (clockwise to ...
1
vote
1answer
52 views

Is Specialized brain something unique or are its variations common?

I am looking into getting a full suspensions mountain bike. Specialized touts the brain system and I'm wondering is this some unique technology they have or are at least more advanced at makining than ...
0
votes
0answers
40 views

What exactly are Quest bikes?

My wife has about 10-15 years old, but very rarely used (thus in quite good condition) bike with a large "Quest" label in place, where all other bikes has its brand name. By reading all the labels on ...
2
votes
0answers
70 views

How does the risk of a cyclist colliding with a vehicle vary with the speed difference?

In a recent answer I asserted Statistics show that the probability of a collision rises rapidly after the speed difference between two road users exceeds 20 kph (12 mph). So choose paths without ...
-1
votes
0answers
26 views

OlderBike Newbie [on hold]

Just bought Specialized Low Entry Sport with 7 gears. Shimano Tourney Revoshift. Right shifter shows 7 speeds and the Left shifter only shows L and 2 - no 3. Is this correct?
1
vote
1answer
98 views

What can cause disc brakes not to react after keeping/moving the bike upright, then recover?

Recently, I experienced a strange situation with the Tektro hydro disc brakes on my hybrid bike (would the model be helpful here?): I carried it upstairs at a friend's place, and later moved it ...
2
votes
1answer
55 views

Will degreaser formula 88 harm your tire?

I was using degreaser formula 88 and got some on my tire. I rinsed it off with some water and then the next day the tire had cracks and was faded. Will the tire get messed up ?
1
vote
4answers
77 views

Commuting on flat terrain/handle bar

For my new job I'll have to commute about 10 - 20km (6 - 12mi) each day (one trip) in flat terrain. Right now, I'm commuting 6km/4mi each day, with an elevation gain of 160m uphill to work. I'm ...
2
votes
7answers
601 views

Is it possible to get a light that is too bright?

This question is related to this recent question: Best ways to avoid getting hit by cars? I have a 750 lumens front head light - it's bright! Some of my riding buddies say it is too bright for the ...
2
votes
1answer
32 views

Short Pull Brake Levers

The brake levers on the bike for my son are too far apart for him to grab comfortably; can the lever be changed to adjust for his smaller hands? His bike is a Magna Hardtail with a linear pull system. ...
0
votes
0answers
39 views

Create the shortest route from A to B with an altitude penalty [duplicate]

I'm using the android app "Locus Pro". Before I've used a computer and created my first route with: http://geo.ebp.ch/gelaendeprofil/, converted it to GPX format with http://www.gpsies.com/convert.do ...
0
votes
2answers
18 views

Sora 9 Speed on Campagnolo Cassette

I have a wheelset with a Campagnolo cassette body. I want to run Sora 9-speed brifters with my wheelset. Will this work? I believe that it will because according to the information posted on ...
0
votes
1answer
32 views

Can an Alfine 11 replace a Nexus 8?

An online store currently offers the Dahon Curve XL with a Shimano Nexus 8 IGH (The Dahon site shows the Nexus 7 model). I'd like to replace it with an Alfine 11. Does someone know if the OLD (Over ...
0
votes
0answers
46 views

How do I find out what kind of bike I have if the serial number from the bottom of the frame isn't giving me any results [on hold]

I have searched the serial number from the bottom of the frame and it's saying no results
7
votes
7answers
1k views

What are the absolute essentials a cyclist should own? [closed]

Context: My bike shop includes free servicing as a standard with a new bike. I don't need such thing and live too far away. In lieu of waiver I can get €100 of stuff from the shop. Best bike problem ...
6
votes
4answers
102 views

Bicycle maintenance notes, technical book: do you have one?

Well, I drive a car and I have a technical book (maintenance) and automatically I want to do the same for my newly bought bicycle. I would love to track repairs, maintenance schedules, changed / added ...
0
votes
2answers
102 views

How to avoid buckle wheel?

So I have been commuting to work on my bike for about 12 months. The route takes me over a mixture of asphalt and some rocky forest trails. Just last week, I managed to get my rear wheel buckle. It ...
3
votes
3answers
153 views

Roads that look uphill feel flat and flat looking roads feel uphill. Possible causes?

There's a route I usually do that has some specific parts that look uphill but ride and feel as flat, and some parts that look flat but feel as uphill. Besides this being an optical illusion, which ...
24
votes
12answers
6k views

Best ways to avoid getting hit by cars?

When riding through city traffic, what are the best ways to increase the chance you are seen, given a bit of space, and are not touched by any vehicles?
0
votes
0answers
20 views

Electronic bike doesn't move?

I have Lianmei e bike. After recharging my battery, I had to go to some place and then when I pushed on the control handle, the bike basically doesn't move. When I push the control handle, I hear ...
2
votes
2answers
54 views

Finding better routes than bicycle apps suggest

Nowadays there are many cycling apps like Strava, etc. One useful feature of them is giving the shortest or lowest altitude change route between point A and B. Although they have that lowest altitude ...
4
votes
6answers
1k views

Group of Bikes: Is 3x1 an option?

I'm an RA for a dorm that is considering buying a number of bikes that would be owned by the dorm and lent out to students. I will be at least in part responsible for maintaining the fleet (about 10 ...
0
votes
4answers
118 views

Disadvantages of Riding Larger Frame Sized Bike than Reccomended Frame Sized Bike

I unconsciously bought a bike which's frame size is larger than recommended. (My height is 163cm bikes frame size is for people 174-190cm) (I dont have any problems with reaching ground with my feet ...
9
votes
5answers
2k views

How to decrease belly fat while cycling?

I've been cycling for about 1.5 yrs now doing about 1.5 hrs on a daily basis. I've been able to tone my muscles but I cannot lose my belly fat. Does anybody have any idea to decrease belly fat while ...
9
votes
3answers
219 views

Why are foot-long pedals not widely used?

A lot of effort and resources go into making cycling shoes stiff, presumably to keep the foot in a suitable shape and spread the force across the sole. It seems like it would be possible to achieve a ...
2
votes
1answer
45 views

Indexed rear derailer shifts two cogs for each step

I'm trying to troubleshoot poor shifting issues on a mountain bike that appears to have been built out of the spare parts box… The current problem is "instability" on the rear derailer – the chain ...
2
votes
1answer
100 views

Tube sealant vs. tire liners vs. puncture-resistant tires — which best prevents flats?

Clarification: I am not asking for a solution to punctures, or about the nuances of ride quality with the various solutions. I am asking whether one method of reducing punctures has been proven ...
1
vote
1answer
93 views

Is graphite grease suitable for bicycle bearings?

The Wikipedia article doesn't explicitly list the applications of graphite grease. Would it be suitable for bicycle bearings and threads? Furthermore, I went ahead and purchased a single package (the ...
1
vote
0answers
26 views

Schwinn Racer - Frequent Punctures - Schwalbe Marathon Plus [duplicate]

I'm a noob, based in Hyderabad and planning to cycle to work - atleast 2-3 times in a week (36 kms from house to work - can't do it right-away - but plan to definitely do it later, when I build up the ...
0
votes
0answers
16 views

Wrench style fork vs Through Axle forks? [duplicate]

I'm looking into a bike rack which requires the front wheel to be removed. From what I can tell it works with wrench style forks but it will not work with the "newer through axle forks". Question - ...
3
votes
3answers
79 views

Bike for college campus [closed]

I'm looking for a good bike to use to get around campus and use on the local trail which is about 10 miles paved and unpaved and goes around a lake. Preferably under $300.
1
vote
1answer
60 views

Rekey a Kryptonite lock outside North America

Kryptonite offer a re-keying service in North America for those who failed to register their keys and have since lost all of them. I'm in Europe, and such a service is not offered here, I'm wondering ...
0
votes
3answers
98 views

Chain falls to the outside of the chainring, but I can't reproduce the problem

I have a Dahon Speed P8 that I use for touring Japan, which has about 3000km on it. The bicycle has 8 gears on the back, and 1 gear on the front. Note: I love riding my bike, but honestly (and ...
2
votes
1answer
59 views

Symptoms of handlebars that are too narrow? Triceps pain?

Recently I went down from 42cm handlebars to 40cm ones, but I've been getting really tight/sore triceps whilst on the bike. I've read that usually the symptom of running bars that are too narrow is ...

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