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1answer
21 views

How much flexibility is normal for steel frames?

I have an 1980ies steel road bike which I used to ride clipless pedals on. I have recently switched to platform pedals for commuting and found out that when I'm coasting and move my feet left and ...
0
votes
0answers
29 views

what's he difference between weldtite dirtwash Citrus degreaser spray and the WD40 chain degreaser?

I m planning buying a chain degreaser for my bike, I gone to two bike shops and they sell different brand of degreaser. First bike shop i went to is the shop where I got my ATX fromand He sells wd40 ...
1
vote
2answers
16 views

How much side-to-side foot movement is possible in Crankbrothers clipless pedals?

To be 100% clear I am not asking about rotating the foot, but moving side to side along pedal axis. The Crankbrothers cleat web page states there is -2/+2mm adjustment but this, as I understand it, ...
1
vote
0answers
58 views

Anyone know what brand this emblem is from?

I am curious to know if this is a custom head badge or if it is a stock emblem. searched the images on head badge sites but no luck. I even uploaded image to search by image engines and no correct ...
2
votes
0answers
71 views

How much energy loss should there be in an internal hub 8-speed?

I've recently acquired a Specialized Globe Haul 2, which was stored in a shed in Arkansas for 10 years and never ridden. It has the original Shimano Alfine 8 speed internal hub. I replaced the tires ...
1
vote
1answer
65 views

eBike winter battery power

My Bosch eBike has dual batteries which I usually ride with one battery. I feel like as the weather drops to freezing the bike power has dropped off slightly and when I ride with the second battery ...
-2
votes
1answer
45 views

I am 5'8 I ride around bad roads what is the ideal handle bar height for me [closed]

I am 5'8 and I ride around bad roads what is the ideal handle bar height for me.
0
votes
2answers
105 views

Choosing fabric when shopping for cycling pants

I have question similar to what to look for when buying bicycle pants Are Merino cycling boxers/cycling pants worth the cost? Finding good pants for winter biking How to minimize wear on pants ......
1
vote
3answers
76 views

How to get housing seated into shifter barrel adjuster

I just picked my bike up after getting some work done. Shifting was a little off so I tried to adjust the barrel adjuster on the tiagra SL-4700 shifter and it looks like the housing has come loose :| ...
5
votes
7answers
3k views

Mirrors on both bars

Is there conventional wisdom why bikers don't use mirrors on both handlebars in the same way as exist on a motorcycle or moped? Having both mirrors would seem to provide much better coverage which ...
6
votes
3answers
2k views

Will tires with spikes on a loaded heavy touring bicycle puncture the tubes?

I am thinking of buying Schwalbe "Marathon Winter Plus" or "Winter" tires with spikes. I intend to use them on a touring bike which when loaded will have: about 25kg (55 pounds) of luggage (2x5kg on ...
0
votes
2answers
34 views

8 speed shimano claris cassette on Campagnolo Calima C17

I'm looking to replace my two wheels and I've been recommended this Campagnolo Calima C17 Clincher Road Wheelset. I currently have a Shimano Claris 8 speed cassette. The wheels are described as 10/...
5
votes
1answer
125 views

What causes and how to fix wandering bite point on Shimano hydraulic brakes?

For the last two months and less than 600 km of riding I have been using a pair of new Shimano SLX BR-M7120 "high power" 4-piston hydraulic disc brakes. Yesterday I have noticed that the bite point of ...
3
votes
2answers
85 views

Is there any reason not to use a 9mm solid front axle hub in place of a QR hub?

I've got my hands on an old dynamo hub, with a view to building a 700C dynamo front wheel for my hybrid. It uses (I believe, and will check) an M9 solid axle, but the existing one is QR. It ...
17
votes
4answers
4k views

Why do people use bigger cassettes for lower gearing when they could instead use smaller chainrings?

I want lower (sub 1:1) gearing on my next drivetrain but also a decent range, reasonable spacing between gears and still be reasonably light. While looking at different combinations of components, I ...
0
votes
3answers
164 views

Risk of flat tire in bicycle

I am planning for a Ultra distance (~230 km) cycling. I don't own a good bicycle for that and when I was checking rental bicycles (Road bike & cross bike) one of the shopkeeper suggested me to ...
2
votes
0answers
75 views

Any shared workspace in the DC Metro area where I can build/weld bike frames?

Anyone in the DC metro area know of a community workspace that I could join to learn to build bike frames? I'm not looking for any equipment or lessons, just a space where I can work. I've been ...
0
votes
1answer
24 views

can i get a new suspension kit for a older mongoose XR-75

I've searched but I can't find anything online. Is there a store I can go to or something?
8
votes
2answers
797 views

Does the saddle height need to be changed when the crank length changes?

On my road bike I have 172.5mm crank and my saddle height is 810mm from the bottom bracket. On my track bike I have a crank arm 165mm. Do I need to change the saddle height on my track bike? Will it ...
2
votes
2answers
98 views

Will 20 inch BMX wheels fit a folding bike (with 20 inch wheels)?

I'm renovating a folding bike with 20 inch wheels and want to replace the wheels. Will BMX wheels fit ? I get it that I will probably have to go single-speed and therefore also replace the crank ...
0
votes
0answers
24 views

Can I put wider tyres on my bike [duplicate]

I have a Whyte 801 and I would like to put some wider tyres on. Currently has 2.25 maxxis tyres and on the rims it says 21mm. What size tyre could I fit on my bike?
1
vote
2answers
67 views

Can I switch a single speed mag rim into a six speed?

I’m interested in getting mag rims for a hybrid bike that I own. Only problem is that mag rims come in single speeds not six. Is it possible to have mag rims modified to mount a six speed cassette? ...
2
votes
1answer
52 views

Crank and Bottom Brackets Compatibility for Shimano GRX

I want to get myself a GRX810 2× but instead of buying the recommended (by Shimano) bottom brackets (SM-BBR60 or SM-BB72-41B Pressfit Hollowtech II) I would like to go with either the Token TF24 or ...
0
votes
1answer
27 views

Can I use a Shimano BL-MT200 lever on a Shimano BR-M446 brake caliper?

I have a leakage on my lever, and can't find any Shimano BR-M446s for sale. Was wondering if Shimano BL-MT200s were compatible.
1
vote
2answers
169 views

What is the difference between 1/2'' x 1/8'' and 1/8'' chain size for single speed?

I get the difference between 1/8'' and 3/32'', but does this 1/2'' really make a difference, or is it the same thing? I want to use the chain for track cycling.
2
votes
1answer
139 views

Tubeless valve leaking, what exactly is wrong & what do I need to do to fix it?

My front tyre has started to leak air at the top of the presta valve. It's very noticeable when the valve is unscrewed or even not really tightly screwed in: you can feel a breeze coming out of the ...
0
votes
0answers
155 views

Feasibility of using 1 inch square tubing to build bikes and attach wheels? [closed]

I came across this n55 site here which uses aluminum square tubing to build amazing looking bikes. What I find strange is that there are other companies doing similar things but they use specialized ...
0
votes
1answer
99 views

How much resistance should steerer have?

I'm replacing the fork on my Giant Defy 3 (2013) road bike. Since I couldn't find an exact replacement for the Overdrive taper, I chose a straight 1-1/8" fork, and ordered some new parts to make it ...
0
votes
3answers
112 views

Carbon wheels set or new groupset? [closed]

Currently, I'm running on Claris 3x8 speed drivetrain. I'm planning to either upgrade the groupset or a carbon wheelset. I dislike the groupset because of it's heavy and loud but usable but I want ...
0
votes
3answers
47 views

What is typically the best bolt to hold Park BBT-22 on to square-taper spindle?

If one is trying to remove a stuck square-taper bottom bracket, it is hard to both hold the tool onto the bottom bracket splines and turn it at the same time. Many tools, like the Park BBT-22, have a ...
2
votes
2answers
128 views

What is considered the bead in this diagram?

I'm trying to understand wheels better and I googled Bead Seat Diameter and this image comes up a lot ... There are two components that look to be the exact same with one flipped vertically. Here is ...
1
vote
1answer
73 views

How do the wheels attach on this trike design?

How do the wheels attach on this trike design? Here are the design drawings. If you go to the section titled Steering Bridge Components you can see were it should attach. However it does not show ...
0
votes
1answer
47 views

What to use on saddle clamp?

I'm purchasing a new seat-post as my saddle refused to stay at the same angle with my current one; it was a second hand bike (B'Twin Triban 500) with a single bolt clamp. I'm going to switch to a two ...
1
vote
1answer
48 views

Difference betwen two rear derailleur?

What is the difference between these two rear derailleurs? On the pictures it seems, that the "rotation angle" is different. https://bike.shimano.com/en-EU/product/component/tourney.html On the ...
0
votes
1answer
76 views

Can I install the double brakes on the tt handlebars?

I have a fixed gear bike. I want install a tt handlebars, but I don't know it can install double brakes?
3
votes
1answer
69 views

Do I need to have this thread screwed all the way in on bottom bracket BB-UN53

I'm restoring a 1994 Mongoose Switchback (which I've had since college so I'm unreasonably attached to it). When I was removing the bottom bracket, a Shimano BB-UN 53, I cracked the plastic non-drive ...
2
votes
1answer
82 views

How can I determine what these tire specs mean?

I am trying to build a space frame bike from the n55 project. They have some pretty cryptic "designs". What do these lines mean? FRONT WHEELS 24”x1.75 equipped with a reinforced axle (M12, 8.8) ...
1
vote
0answers
34 views

Are the side pockets of the Proviz Switch Men's Cycling Jacket - Yellow / Reflective accessible from both sides?

I'm considering buying the http://provizsports.com/en-gb/switch-mens-cycling-jacket-yellow-reflective.html jacket. Its description states "Two side pockets". As the jacket is reversible, are the ...
4
votes
1answer
142 views

Is it normal that I find it hard to skid?

I'm big on bicycle repairs and whipping vintage bikes back into shape. As such, I took an old Raleigh road bike frame and made it into my very first fixed gear bike. So far, loving the experience of ...
3
votes
4answers
203 views

How do sidewinds affect forward speed?

If I'm riding at 20mph on the flat with no wind, and then a 10mph wind kicks up, if I'm heading directly into it I'll slow down by X mph, and if I'm heading directly with it (i.e. pure tailwind) I'll ...
6
votes
2answers
2k views

What is this nut?

I've been searching on Google for the last hour trying to figure out if this is some kind of security nut. It's on a Shimano hub on the rear wheel.
0
votes
2answers
125 views

Crankset and derailleur

I am preparing my new mountain bike for summer by cleaning the bike and its parts. Which size should I expect the cage length must have at the rear derailleur before I can replace the rear ...
0
votes
1answer
107 views

Can you identify this Pinarello model?

I am currently eyeing this bike but can't seem to figure out what model it is nor does the current owner. I do know it has Campy Record and the ONDA carbon fork. I am just trying to do my research ...
2
votes
4answers
117 views

Can a road bike BB work on track bike?

I have Merida track 500. It comes with a 175mm FSA vero track crankset and JIS square taper cartridge. I want to change it with Miche Pistard Air track crankset, 165mm and for that I need to change ...
4
votes
2answers
209 views

Chain cassette noise

Hello fellow cyclists, I just bought a new Home Trainer that has a Shimano 105 Cassette. My Bike has an Ultegra drivetrain with less than 600km (375mi). I have checked the wear of the chain which ...
1
vote
2answers
66 views

Shimano METREA 1x11 from Shimano 3x8

Can I upgrade my bike with a METREA Urban crankset with chain guard 1x11-speed if my current system is Shimano FC-M171, 42/34/24 with bottom bracket Shimano BB UN26? And can I install CS-5800 ...
7
votes
5answers
8k views

Used WD-40 on headset and now it loosens daily

I've used WD-40 on my bike's headset as it produced some cracking noises. The result is a headset that gets loose after every ride. I've tried to use a wrench to tighten it, alas, it went loose after ...
1
vote
1answer
55 views

help me identify/find more info about bmx forks with this symbol - &

Trying to find out as much as I can about these forks and the logo. Originally the forks were grey and had a big sticker of this symbol ( & ) on one side. As you can see in the picture there is a ...
11
votes
12answers
3k views

Good type of bike to get for commuting (thinking of road v touring)

I'm new to this site but I've been intrigued by the thought of picking up cycling as a means of my new way of transport as well as for recreational purposes. As a little background, I live in London ...
3
votes
2answers
197 views

How to degrease a bicycle frame?

I have a carbon frame which I'm worried I will scratch the paintwork on. I know the basics of cleaning paintwork without scratching it, using two buckets, one to rinse and one to wash with, grit guard,...

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