1
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1answer
941 views

diference between 170mm 172mm 175mm crank arm length on road bike [duplicate]

What is best for which use, advantage, or application, especially for climbing.
1
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2answers
721 views

Why use 54T (or bigger) chainring?

In time trial races, I see people are using these big chainrings. Is 50/11 combination doesn't give enough top speed? What's the real advantage? I can only think of the negative, which is it makes the ...
1
vote
2answers
138 views

Where can I find touch-up paint?

I need grey touch-up paint for the headtube on a 2014 Whyte T-129s. How can I find out which colour exactly to buy?
1
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2answers
1k views

My SPD shoes + cleats won't clip in to my SPD pedals

I purchased some touring shoes (Giro Republic) that support a two bolt cleat. I opted for a standard, popular Shimano M520L pedal with matching cleats. I installed the pedals, loosened the tension on ...
1
vote
2answers
176 views

Is it a good idea to buy a 7-year-old MTB?

I'm a single speed rider and I'd like to buy an MTB. My main purpose for MTB is hardcore forest riding(rocks and little downhills). I thought of buying an used one and I saw today Marin Rock Springs ...
1
vote
3answers
279 views

Making bicycle semi-motor powered

Is there any way that I could easily and affordably (under $US200) add a motor to my bicycle, so that it would move both by my pedalling and with the help of the motor?
1
vote
1answer
878 views

Use of Shimano long-reach calipers with “New Super SLR” brake levers/shifters

So my bike has Shimano Tiagra ST-4600/4603 brifters (it's a triple) but is fitted with long-drop BR-R451 calipers. In theory, these should be incompatible because of the change in cable pull ratio, ...
1
vote
1answer
190 views

What is the matter with this Shimano disc brake lever?

I got the BR-M445L + BL-M505L a month ago. I am new to hydraulic disc brakes, so I can't tell if there is any problem with air in the system or other problems. Asked a mechanic and he said the brake ...
1
vote
1answer
835 views

How can I fit a tapered fork to a 1 1/8 semi-integrated/zero stack head tube?

I have a 2004 Giant VT frame with a zero stack / semi-integrated headset. It currently takes a straight steerer threadless fork. Is there any type of headset I can put on so I can fit a tapered ...
1
vote
5answers
922 views

How do I clean my bike in winter?

How or where do I clean my bike in winter? I live in Michigan, USA and winter can be very harsh, along with the added salt used for ice removal. I am not commuting or anything, just occasionally ...
1
vote
1answer
488 views

How tight should a threaded BB be?

I have an english-thread, octalink Shimano bottom bracket, and a new frame. The frame has been faced before painting. I am not sure the BB is compatible with the frame. When trying to install the ...
1
vote
3answers
4k views

Front derailleur won't spring back to lower gears

The front derailleur on my mountainbike sometimes gets stuck in high gears. When this happens and I want to shift down I can nudge it a bit with my foot and it will spring back to the lower gear. I ...
1
vote
1answer
152 views

Do headset and frame metals need to match, or will a steel/aluminum headset get stuck on an aluminum/steel frame?

Will a steel headset get stuck on an aluminum frame bike? Will an aluminum alloy headset get stuck on a steel frame bike? I am not asking about carbon frames, by the way. I ask because I have seen ...
1
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2answers
150 views

Where can I get a Job that involves bicycles? [closed]

I was wondering if anyone knows any job or if you could advise as of what I could do to obtain a new job that involves bicycles?
1
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2answers
629 views

Upgrade my Rear Cassette from 12/25t to 11/28t

I have a Specialized Secteur 8-speed road bike with a Shimano HG850 12/25t rear cassette running on a KMX Z type narrow chain my crankset is a 52/42/30, I have done about 2,000 miles so it's probably ...
1
vote
1answer
2k views

What Are the Widths of Shimano 8, 9, and 10 Speed Cassettes?

I was hoping that someone could provide me with the precise Shimano road-bike 8, 9, and 10 speed sizes for the following: Cassette Spacer Width Cog/Tooth Width Maximum Chain Width
1
vote
1answer
361 views

Repairing a Crimped Titanium Frame

I have a Van Nicholas Astraeus Titanium bike, and recently had problems with removing the seatpost. The aluminium shim oxidised itself to my frame. I took it to the bike shop, and in our efforts they ...
1
vote
2answers
202 views

What could be the reason for chain skipping

My chain is skipping only on the smallest sprocket, and it skips with every crank turn. The chain is not stretched. Also, chainrings are almost new. Could this freewheel be the reason, it doesn't seem ...
1
vote
6answers
158 views

How to prevent the derailleur cable fibres getting all over the places?

My bike is only 7 months old, but the front derailleur cable fibres are becoming loose i.e. the individual thin metal fibres twised together to form the cable are loosing out. I think I have lost the ...
1
vote
2answers
1k views

Minimum mountain groupset hard enough to resist abuse

I'm looking to upgrade my mountain bike and I would like to get something better than I have, if justified. I've never ridden any groupset better than alivio/deore, which work ok for me and have ...
1
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1answer
2k views

How to setup triple front derailleur with a double crankset

I want to use my front derailleur which is a tiagra on a 3x10 speed setup with a compact double crankset making it a 2x10 setup. What is the proper procedure for setting up the triple chainring ...
1
vote
2answers
814 views

10-speed chain too short, can I add links?

I purchased a new KMC DX10SC 10-speed 114 link chain to replace my worn out chain. I'm running a mountain triple and it seems that The chain is slightly too short at it's full length. I can't get in ...
1
vote
1answer
176 views

What type of valve do shock pumps use?

Do all shock pumps use a schrader valve? I've just taken a look at a couple of product listings and found no mention of the valve type. I guess that might be to avoid people buying those pumps for ...
1
vote
2answers
270 views

Shimano shoe size

I am riding clipless with the MT43 shoes I bought at my LBS. They are great,... when it is not cold outside... and now it is cold outside... and my toes are freezing. I was thinking of getting Shimano ...
1
vote
1answer
409 views

Do I need better “springs” on my disc brakes?

After 20 years commuting on old/cheap bikes, I finally evolved up to a nice solid touring rig with cable disc brakes (Avid BB5). I love the bike and the brakes. They're much easier to maintain, ...
1
vote
1answer
1k views

Bicycle slipping gears on middle sprocket gears 4-7

I see lots of questions on gears slipping but not sure it's the same as what I have. Out of 21 gears I only have problems with 4 (middle sprocket (2) on left shifter gears (4-7) on right shifter). ...
1
vote
1answer
2k views

How to determine size of freewheel?

My previous question was: How to take apart this rear BMX hub? How do I determine the size of my freewheel to replace it? I have seen on bicycle sites that a freewheel comes in sizes like 14t, 16t, ...
1
vote
1answer
175 views

What's a good setup for an experienced but rusty cyclist training for his first triathlon?

I've got my first (sprint) triathlon coming up at the end of July. I need a bike to train and race on. I'm comfortable on both road and MTB style bikes, but haven't ridden on either in several years. ...
1
vote
2answers
738 views

Why does a 28 1/3 tyre fit, when a 27 1/4 tyre is too big?

I've just bought these rims off eBay: ...
1
vote
2answers
9k views

Difference between Shimano HG51 8-Speed Cassette and Shimano HG50 8-Speed Cassette

Can anyone tell me the difference between Shimano HG51 and HG50 8-Speed Cassettes? I can't find any information online about this so was hoping someone might be able to help me. I am looking to ...
1
vote
1answer
537 views

Kickstand compatible with 2011 TREK Utopia

Will a kickstand fit on a 2011 Trek Utopia? I'm told the standard that bolts in near the front gear won't fit and I read that the one that mounts near the rear axle won't work with disc brakes.
1
vote
4answers
1k views

Feedback on Bern Helmets for winter

I was thinking about picking up a new helmet this afternoon. My current helmet: Has had a few accidents Isn't very warm in the winter. Doesn't have great clearance for ski goggles. I was ...
1
vote
3answers
2k views

Getting a cycling saddle that fits

I'm thinking of getting a new seat on my exercise bike How can I ensure that the seat will fit? Are there different types of fitting? How many types? My one the bike seat involves 2 hexagonal bolts ...
1
vote
3answers
2k views

How do you wrap a bicycle frame with used inner tubes?

What is the best way to wrap a frame with bicycle inner tubes? The bike is an aluminium framed MTB with suspension (rather than a roadie-courier bike that usually gets subjected to such treatment). ...
1
vote
1answer
1k views

Best Bike Rack for Honda Pilot?

I own a Honda Pilot and looking for the best bike rack that will allow me to hang the bike on the back of the pilot but possibly still open the door. 99.9% of the time we haul the bikes on my pickup ...
1
vote
2answers
387 views

What's the best way for a beginner cyclist to carry children?

My sister has two children, aged 4 and 2. The 4 year old is starting to get confident on his bike and my sister is finding she can't keep up with him on foot any more. She hasn't ridden since she was ...
1
vote
2answers
752 views

Are Merino cycling boxers/cycling pants worth the cost?

I can find boxers of various materials such as latex, spandex, nylon, cotton, merino -- now I am totally lost for the reasons to pay about 30 times more for Merino boxers. I am more interested in the ...
1
vote
3answers
1k views

How long does it take to replace bottom bracket bearings?

How long does it take to replace bottom bracket bearings? Is there anything that can make the procedure take more or less time? How does the type of mechanism affect repair time?
1
vote
6answers
927 views

Recommendation on new $400-500 hybrid

Analysis paralysis. My wife says I can spend up to $500 on a first bike. I don't want to spend it on the wrong stuff. My intention is to use it as the "last mile" on public transit on ...
1
vote
2answers
1k views

mountain bike freewheel hub stopped rotating

So I was trying to replace my rear bearings and got stuck, (see question below): how to reassemble mountain bike rear wheel hub and bearings After this I felt confident to go ahead. Was putting it ...
1
vote
5answers
161 views

How is infrastructure for bicyclists designed, and how does it evolve?

Question: How is infrastructure for bicyclists designed, and how does it evolve? Related questions to prompt more detailed answers: When is the right time to build bicycle roads? How is the budget ...
1
vote
2answers
9k views

Shimano Revoshift repair

My bike has a grip shift (Shimano revoshift) which isn't shifting through all 8 gears. Even with the gear cable removed (it recently broke) it will only shift through half of the gear numbers and ...
1
vote
5answers
4k views

Choosing a foldable 20" bike: Schwinn S2280 vs. Citizen Bike Miami

At the moment, I'm in the market for a foldable 20" bike, for commuting purposes. I've done my research, and have found two appealing models: Schwinn S2280 Citizen Bike MIAMI Which of them would ...
1
vote
6answers
928 views

I am about to buy a new bicycle - what should I check before I do so?

I'm not really a pro in bicycles, I barely know the basics about the construction itself, but I love cycling. I've been cycling on my old bicycle for 2 months now and I love it. Unfortunately, my ...
1
vote
1answer
1k views

How to install geneticbikes.com's chain tug to horizontal dropout with anti-rotational washer and hub gears?

I have 8 speed Shimano hub-geared bike. When I place the chain tug by geneticbikes.com, the black tud does not fit into the dropout. According to the thread, here, I can use one chain tug to the right ...
1
vote
2answers
820 views

FEM: How to Design weight-distribution in bike prototypes?

Inferio! No-one can understand this bloated question here, now more focussed. Suppose you are doing a new bike. How can you be certain that some critical point won't get too much force and the right ...
0
votes
2answers
98 views

Shimano Sora vs higher range brake pull ratio

I've just upgraded my commuter bike (old Trek 370) to the replaced components from my main road bike (originally 09 specialized allez - new head and handle) and found the brake calipers aren't long ...
0
votes
1answer
151 views

Easy build, high weight capacity trailer for Burning Man [closed]

TL;DR I want to make a high capacity trailer from bamboo to ride around at a desert festival. Bamboo structure (probably 1.5" or 2" major strength lengths, 1" for crosses) Hitch using bamboo & ...
0
votes
1answer
72 views

Restoring the original color of metal and chainrings

I bought a used bike and I want to pimp it up and make it cleaner. I found rust on the chainrings and I would like 1- to remove it and 2- get the original color of the metal back. How to do that? Here ...
0
votes
1answer
84 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.

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