4
votes
2answers
9k views

Can I use a 9sp chainring set on my MTB which has a 8 speed Shimano CS-HG70 Cassette

Just installed the CS-HG70 cassette and while doing some tuning, noticed that my chainring is no longer true, especially around the crank so am thinking about replacing the chainring set but can not ...
4
votes
3answers
6k views

Can you use a 8 speed Shimano shifter with a 7 speed cassette?

I want to use an 8-speed shifter with a 7-speed cassette. I saw this question, but I am unsure if this would work, since I believe the spacing is the same between a 7- and 8-speed, but the length is ...
4
votes
2answers
706 views

How to stop foot clipping front mudguard

My feet overlap the pedal and clip the front mudguard when I'm turning at a low speed because I have to turn the handlebars wider than normal. My foot doesn't clip the wheel when the mudguard is ...
4
votes
1answer
2k views

What would be the “definitive” formula to calculate chainstay length from sprocket size, chainring size and number of chain links?

Before I started to write this answer, I thoroughly read this question, its answers and comments: How do I calculate the diameter of a chainring from the number of teeth? So, my question tries to ...
4
votes
4answers
4k views

How can I stop a belt brake (band brake) from squealing?

One of our bikes is an electric bike. It's an older iZip HG 1000, and although we got it through the American "manufacturer" (Currie Technologies), like most of the low-end ebikes it's made in China ...
4
votes
2answers
1k views

GPS bike tracking (locks)

I have seen a few GPS devices either in the backlight or unside the seat tube which you can track if you lose your bike (your bike gets stolen). What do you think about this stuff. Is it worth the ...
4
votes
4answers
13k views

How do I calculate the power required to climb a hill at a given cadence?

Suppose I ride at a cadence of 50RPM for 10 minutes with a 39x23 gear ratio on a hill with 10% grade. Is there a simple formula to calculate the power output required?
4
votes
4answers
375 views

Should I ring my bell before going around corners?

I'm in a town in Bavaria, Germany and the local custom with the more dangerous corners is to honk a horn or ring a bell. Will this actually make me safer? Currently I am cycling in a half-urban ...
4
votes
4answers
2k views

Eliminating chainslap on a 90's Stumpjumper

I have a mountain bike - a Stumpjumper hardtail frame with a Shimano drivetrain - where I'm getting a good amount of chainslap. Before I start fiddling with stuff, I'd like to understand the problem ...
4
votes
4answers
867 views

Cruiser bottom bracket is clicking and grinding

My Trek Pure Deluxe 3-speed cruiser has been making a clicking noise when riding for some time. The problem is faint, and is more felt than heard. However, it's been getting worse; it now makes a ...
4
votes
3answers
9k views

What is the bicycle Danny MacAskill uses in his “Way Back Home” video?

I was wondering whether someone could help me identify what is the bicycle Danny MacAskill uses in his video. If it is unable to determine exactly what model he has, could you guys please tell me a ...
4
votes
3answers
291 views

combining friction shifting with indexed components

I would like to combine friction shifting and a 7 speed freewheel with current Campy Chorus derailleurs. It seems to me that the way that friction shifting works would allow this combination, since ...
4
votes
3answers
2k views

What caused diagonal cuts in the sidewalls of my tire?

I noticed some strange damage on my rear tire, where there appear to be diagonally cuts going around the entire wheel. I have no idea what might have caused this damage. I first saw it a few months ...
4
votes
3answers
3k views

Why does my back wheel keep becoming untrue?

So I broke a spoke a week ago, and when I put a new spoke in you know I trued it. Now, a week later, the bike feels like a kayak, because the back wheel is not very straight. Any idea why this would ...
4
votes
3answers
2k views

Which type of handle bars are best for off-road & road use?

There are quite a lot of types of bars. Some best bit for aerodynamics, some best fit for control, some offer significant amount of positions. I am looking to change my handlebars to the best fit ...
4
votes
4answers
1k views

When is Cyclometer useful?

Some call it speedometer or odometer but I mean the thing to measure velocity, trip distance and such things. When you come up with a usage-case, please, point out the function which you use. The only ...
4
votes
2answers
194 views

Switching from 3x9 Gears to Cheaper Ones?

Alert I am unsure of the right terminology for gear-wheel but I mean the round things near pedals such as 3x9 or typically with 3x7 (3 front, 7 back) mix in commuting bikes. My current gears are 3x9 ...
4
votes
2answers
880 views

Is there a special technique for truing flat spoked wheels?

I have a set of Shimano R560's that have flat, bladed spokes (16 front & 20 rear, from memory). They are a little worse for wear after a couple of years and at least 10,000 kms. My usual LBS has ...
4
votes
4answers
563 views

Good books on mountain biking

What books do you know about learning mountain biking.
4
votes
1answer
676 views

Gary Fisher Kaitai suffers from handlebar wobble at moderate speed with 10lbs on rear rack

I have a Gary Fisher Kaitai, their low-end hybrid. I use the bike for commuting so I have a rear rack and typically carry between 5 and 12 lbs back there. When I get up to moderate speed ...
4
votes
2answers
865 views

How do I know if mudguards will fit my 2009 Carrera Kraken?

With the nice (and muddy!) weather coming up, I'd like to get some mudguards, but I'm really unsure of what will fit my bike I have a 2009 Carrera Kraken, no modifications. I will probably buy them ...
4
votes
1answer
202 views

Glued grip has rotated, won't rotate back

The leather-like grips on my cruiser have rotated a bit over the last year and a half; the faux "stitching" on one of them is now at a location that feels weird when I'm holding it. I can't rotate the ...
3
votes
1answer
57 views

Can I replace my 650c wheels with a more standard size?

I have a Bianchi eros with 650c wheels. My back wheel was driven into and is now buckled and I am finding it very difficult to replace it without spending hundreds of pounds. Is there another wheel ...
3
votes
2answers
379 views

What is the best way to track you mileage, routes and calories burned?

Recently I got a new cyclocross bike and now I am daily commuting around 25km (not much, but daily) and I am trying to calculate my diet, calories etc. Now I am wondering if there is a good device ...
3
votes
5answers
1k views

Are older road bike parts compatible with newer standards? How do older and newer bikes match up performance wise?

I'm a big mountain biker and looking to get into road biking. However, I don't want to drop $1,500 on a new or relatively new road bike without being sure I'd want to stick with it. Anyway, I found ...
3
votes
1answer
70 views

Campagnolo Record C9 / Shimano CS-HG200-9 incompatibility

I drive cheap Shimano cassettes together with Campagnolo Record C9 chains. Yesterday I installed a new C9 and a CS-HG200-9. But the chain sort of slips over the sprockets, not unlike really worn ...
3
votes
1answer
38 views

Pistons are aligned only without pads in

I've reset the pistons (after taking the pads out) of my XT hydraulic brakes, and made sure they do extract evenly when operating the lever. After putting the pads and the wheel back in (and adjusting ...
3
votes
1answer
991 views

Shimano 105 10 and 11 speed compatibility

currently i have on my bike the Shimano 105 system (2 years old) with 10 speed cassette. Currently i am buying a new wheelset (Fulcrum racing zero) made for shimano 11 cassette. I was told that i can ...
3
votes
4answers
266 views

Identify my Motobécane racing bike

I bought a Motobécane last year (pics below), and now that the bottom bracket is broken, I really need to know the model of the bike, to help me change that piece. It would also be helpful if someone ...
3
votes
4answers
457 views

How accurate is the 'calories burned' figure on my GPS device?

I use the Garmin Edge 200 to record the route, distance and speed of my rides. It also gives me a prediction of the amount of calories I have burned on any particular ride. The only data I have ...
3
votes
6answers
2k views

Quick Release on Fixed Gear Bike

I recently purchased a fixed gear bike, Kilo TT. I had some fenders lying around, SKS raceblade. I tried to install them on my bikebut noticed that the fenders attached to the skewers. My fixed gear ...
3
votes
4answers
1k views

Clipless pedals: Why clipping in so darn difficult?

I do understand that this question been asked million times, and million people have million different opinions and it's all down to personal preferences, yet I am struggling and need to find a ...
3
votes
3answers
840 views

How to correctly align “to see” bicycle lights?

My "to see" bicycle light shifts out of position. While I need to fix it (fork bridge mounted dynamo), how do I determine when it is correctly aligned? In particular how are "to see" lights ...
3
votes
5answers
2k views

How much does rider weight increase tire pressure?

When a person sits on a bike, the air pressure in the tires must go up because of the additional weight. With 100 PSI in 700x23 tires on a riderless bike, what is the air pressure when a 100 lb rider ...
3
votes
2answers
2k views

Handlebar stem : height vs length

I want to decrease the reach of my handlebars. Does it matter whether I increase the height or get a stem with a smaller length(extension?) on my bike? And is there any way to calculate the ...
3
votes
2answers
461 views

MTB Manufactures and Upgrade-ability

I'm looking to purchase a new bike in the intermediate level and I'd like the option to upgrade all if not most of the parts over time. That said, I've read some concerning articles [sic] and I want ...
3
votes
4answers
974 views

What to look for when buying a single gear bike?

I'm looking to buy a single gear bicycle. My experience with bikes is very limited, I haven't owned a bike since I was a kid. I have been mountain biking in the Lake District a few times in the last 3 ...
3
votes
2answers
3k views

How do I identify an SR SunTour fork exact model?

I recently located this SR SunTour service manual, containing schematics of a load of forks. Trouble is, my fork only has "XCR" on a sticker, and production date stamped. At some forum this is ...
3
votes
1answer
194 views

How to do a bike fit?

Here on bicycles SE I often read questions about right sizing of a bike, how you should sit on a bike, what to do when some part of your body hurts etc. I also came across the answer Go to a local ...
3
votes
3answers
493 views

Do tires with worn sidewalls need to be replaced?

My bike needs a bit of a tune up, particularly the tires since the back tube has a hole in it. The rims on the bike are 26"x1.5" and the current tires are 26"x2" and both have great tread, but the ...
3
votes
5answers
827 views

How do you evaluate a chamois (padding in shorts) before buying?

Stores only allow you try out shorts with an additional layer of underwear because of the hygiene issues. While this is great for public health, it seems to make it impossible to evaluate whether a ...
3
votes
2answers
2k views

Can outer tyre (casing) punctures/cuts be fixed?

My flatmate got his tyre stabbed. With a knife, it seems. (The bike was tied to a staircase railing in the building and was obviously in some maniac's way. Though there was plenty of room around. And ...
3
votes
2answers
1k views

More freehub removal problems.

So helpful folks here helped me get the cog and lockring off, and now I'm stuck with this. I looked on Park's website again for "removal of freewheel" help, but mine didn't fit with any of the ...
3
votes
2answers
2k views

Is it possible to replace a 1 1/8 steering tube with a 1"?

I have a 94 Giant ATX. Threaded 1 inch steeering tube. I need a shorter stem, and would also like to install a suspension fork. Is it doable? Could I take a modern suspension fork, heat the crown, ...
3
votes
1answer
2k views

9 Speed Road STI + MTB Derailleur

Apologies if this is is obvious or has been answered before. I'm looking at setting up a touring bike, using road STI levers (Shimano or equivalent, looking at Tiagra 3x9 or possibly the Microshift ...
3
votes
1answer
2k views

How can I adjust index shifter so it doesn't skip the second chainring?

I recently replaced my chain and cassette on my commuter bike. It was a first time operation for me, as I am a new to doing bike maintenance. That part seems to have gone fine. While I was at it, I ...
3
votes
2answers
5k views

What do I need to research to switch to an internally geared hub?

I have a bike that I rather like, but it's geared entirely for high-speed road bike type work. It's fantastic on the flat areas of the route that I take every day, but I also have a couple of serious ...
3
votes
3answers
3k views

Will a 650x23 tire fit on my 26" rim?

I have an MTB that I have been riding in the city for many years. As such, slick tires suit me well and I have been using a set of 26x1.25 tires for the last 3-5 years but they are starting to show ...
3
votes
4answers
360 views

Suggestions on buying a road bike for the city

I'm looking to buy a bike with which to get around Atlanta. My budget is about $500. I've seen lots of suggestions for a fixie but those seem relatively difficult. I plan to ride about 5-10 miles ...
3
votes
2answers
4k views

How to take apart this rear BMX hub?

As shown in the photo, what tool do I need to take this rear hub apart? I assume I need a tool which will fit in the 4 notches. The problem I am trying to fix is that if you pedal, the rear cog spins ...

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