3
votes
1answer
71 views

How to install rear rack & fenders on a vintage road bike

How feasible is it to install a rear rack and fenders on common vintage road bike frames (e.g. Peugeot PX-8, Raleigh Record/Super Course etc.), and how can it be done, exactly?-- on my "true" ...
13
votes
0answers
129 views

Construction hints for a sociable dicycle?

I'm thinking of building a dicycle, specifically a sociable one like the picture below but pedal powered. Has anyone seen one in real life, or better yet, tried to build one? The broad design is ...
4
votes
4answers
121 views

front wheel takes more impact than rear?

I was commuting to work this morning and was following a bus, suddenly I saw a huge crack, no time to steering around so just run over it. Then I felt my bike not steering properly. Pulled over and ...
1
vote
4answers
230 views

Why is a steady cadence so important? Or is it?

I read somewhere that steady cadence is a good thing but why is that? It is analogous to running long distance where it is a good idea to set a reasonable pace and stick to it? I would think that ...
0
votes
2answers
44 views

freewheel stress and possible difficult removal with super underdrive gear?

I tried to research this online but didn't see any examples of this exact concern, which is if I gear down a very cheap mountain bike that has a 7 speed freewheel, do I run the risk of creating so ...
4
votes
4answers
126 views

Does brake modulation matter, for efficiency, beyond having enough to avoid locking the wheels?

Edit: To Clarify this is regarding going as fast as possible, i.e. racing, off-road. I can't see why "modulation" matters so long as you have enough to apply near maximum braking force without ...
0
votes
1answer
58 views

How to lubricate a bicycle cable [duplicate]

so I'm very new to all this, so I don't know a lot. My mountain bike will no longer shift gears, I've been told this is because my cables need lubricated, but I have no idea how to do this, so, how ...
-5
votes
1answer
62 views

Why don't we see this special progressive 3x5 gear setup being offered? [duplicate]

This question is not the same as the 36 gear post which used a combination of internal hub gears, cogs, and chainrings. This one is much simpler and much lower cost. Part of the problem of something ...
-5
votes
1answer
43 views

How does a RD (rear derailleur) handle variable tooth gaps?

I am trying to better understand how a rear derailleur (RD) works. I can understand how the RD moves inward and outward but suppose someone changes several of their cogs on the cassette. Let's just ...
0
votes
3answers
85 views

Is it worth wearing a headlamp when cycling as well as having a bar mounted light? [duplicate]

Most bike lights seem to be the bar / seatpost mounted variety. Is it worth also having a headlamp for riding? I go cycle touring, ride in the city and do mountain bike xc trail riding. I've got a ...
0
votes
1answer
61 views

I got a 27.5“ fork for my 26” bike, what size wheel should I run?

I have an Ellsworth AM bike that's running a 26" rear wheel. I just scored a great deal on an x-fusion sweep fork that's 160mm travel (same as the frame) but for a 27.5 wheel. I am in search of a new ...
3
votes
3answers
519 views

Is a Roadie with wider tyres still faster then a MTB with slicks?

I need a new bike, but I´m in a dilema on which too choose, because my rides involve 4 kinds of pavement: smooth cycle ways, cobblestone, ok city roads and rough city roads. Was thinking just to keep ...
3
votes
2answers
89 views

Can you identify this vintage MTB?

I have quite a bit of experience with cycling in general mountain bikes especially. This bike got me stumped, it has a Titan racing stem, vintage Easton peregrine carbon str8 bars, Easton answer ...
4
votes
1answer
55 views

Gear cables replacement - inline barrel adjusters

I'm in the process of ordering replacement gear cables for my road bike which has 105-5800 groupset. My existing cables have inline barrel adjusters and I was wondering: Are the inline barrel ...
4
votes
1answer
72 views

What is the difference between disk brake rotors?

Differences in rotors include size, thickness, pattern cut out of the metal and attachment to the hub. What other differences are their and why? Reason I ask is I recently built up a budget mountain ...
-4
votes
1answer
76 views

More than 7 speeds on a freewheel? Ok for someone that rides moderately?

I am contemplating going from my 7 speed freewheel to an 8 speed because I want to go from a 14-28 7 speed to a MegaRange 14-34. Problem is my RD will not handle the 34 so if I have to buy a new one ...
4
votes
3answers
128 views

Hard to pedal even on flat street

I have a woman's cruiser bike with pedal brakes only. Everything has been working great but when I took a bike ride the other day I was on a flat street and it was extremely difficult to pedal...why ...
1
vote
1answer
101 views

Good cycling goals?

Last year I used a power meter, loved the progress and the tool. I am trying to set some power goals for Maximum 5Min and 20Min. What are some good goals to aim? Last year I had 16% increase in ...
0
votes
1answer
61 views

What is the difference between Fulcrum Racing 4 and racing 6 wheels?

I know that specialized uses a custom wheel from fulcrum racing that leaves them with a unique numbering system not found on the Fulcrum site. Backstory is that i have 4's on one bike and 6's on ...
0
votes
4answers
135 views

how to increace the friction between tyre and road [closed]

While designing a bicycle what are the designing factors to be considered to increase the friction to give more efficiency to the cycle.And what are the other factors that can be considered while ...
-7
votes
2answers
67 views

Flywheel on a bike to smooth things out? [closed]

Would it be a good idea to have a flywheel on a bicycle to help smooth out the "dead zones" when pedaling, kinda like those oval sprockets were designed to do? Perhaps some design that can let the ...
-2
votes
3answers
88 views

Sensible shifting on a triple chainring?

I have found from experience on my 3x7 MTB that shifting a triple front chainring is useful if you do the following: I tend to use only the first 3 cogs in the smallest chainring so that is 3 very ...
13
votes
5answers
3k views

Worries about a gear ratio of 1:1?

I'm planning a randonneur-like bike with drop bars, STI shifters, and nevertheless some low gears. The crankset could be a "compact plus" (I guess from Sugino), 44 and 28 teeths, and the cassette a ...
1
vote
1answer
83 views

Please help me identify this bike (Staiger MTB)

Please, help me identify (i wanna know "the model") this bike you see at the picture. Thank you so much, guys!
3
votes
2answers
81 views

Troubleshooting Hydraulic Disc Brakes

I replaced the fluid in my hydraulic disc brakes as they would not work within the first 10 minutes of cycling and would gradually sharpen up. I suspect they had air in the system. They were sharp ...
-3
votes
0answers
104 views

Closely spaced nonoverlapping 36 (2x12x2) gears borrowing from music theory. Good idea?

I had an idea. Why not space gears on a bike the same as musical notes? For example, in music, if you start on a certain note (let's say C3), you need to go up 12 more half steps (notes) to get to ...
5
votes
2answers
98 views

How do I remove the front axle from a sealed bearing hub?

I'm trying to remove the axle from my front wheel to fit it into a box. But the axle doesn't want to come out. I've been able to take all the bits off of one side, but I can't remove the ones from ...
0
votes
0answers
63 views

Hyper Summit mountain bike from Walmart. What model Shimano derailleurs are on it?

I am trying to determine what the maximum gear capabilities are of my bike. I don't see any specs in the owners manual about it nor anything online. Both derailleurs are marked Shimano. My current ...
0
votes
1answer
139 views

Has anyone tried this “poor mans” homemade electric bike idea?

I have a wiper motor from some car or van that has a shaft on it. When I apply 12 volts to it, with no load on it, it seems to spin at about 125 RPMs. I vaguely remember that when I load it, it can ...
-2
votes
2answers
113 views

how to design a shaft and gears for shaft driven bicycle [closed]

i want to know about the complete design and dimensions of the shaft and suggest me to give more efficiency to the bicycle
0
votes
1answer
71 views

Comfort vs comfort [closed]

New to the sport of cycling and considering two bikes. The Domane trek 4.3 Disc 2015 and the Domane 4.3 trek 2014 . It's for a 120 km event. Which would give more body comfort in such a distance ? ...
0
votes
0answers
26 views

Can I run Aluminum Backed organic brake pads with Elixir Avid 5 Hydraulic system?

The old pads were steel. I bought the aluminum thinking they would disperse heat better but if it's going to cause a problem with the braking system I'll go back to steel at less than half the price. ...
-4
votes
1answer
90 views

Super close ratio high gears via double size sprockets… practical?

I am wondering why they use such small cogs on a bike. Problem with that is as you get down below about 15 teeth, you cannot get precise steps to the next gear. For example, you can go 15 to 14 or ...
0
votes
1answer
68 views

After conversion, Paramount OS is super squirrely

All, I have a custom made Paramount OS from 1991. I converted the bike to be my bike for family rides. To do this, I replaced the handlebars and put larger tires on the rim ~ nothing crazy, just a ...
3
votes
2answers
231 views

Multi directional release pedals for road bicycling?

I saw one Force model that looked like a separated part that might release, twisting your leg upwards or sideways or something. Reminded me of the toe realease on ski bindings. Basically as many ...
1
vote
2answers
41 views

Better tyres for Cannondale Bad Boy?

90 % I bike off road, but easy and lazy, but 2 3 times a year I go seriously up hills I mean Ventoux and that kind of stuff. I would like then to use tires that are somewhat more effective. Since I ...
0
votes
1answer
18 views

Chain skip options on vintage 'frankenbike'

I have a late 80s Bianchi Volpe which came with Sakae Ringyo SX cranks and bb, SunTour barcon shifters and derailers, and SunTour chain. The freewheel was aftermarket 7 speed and never rolled well ...
-2
votes
0answers
87 views

Left side isolated granny gear, right side all other gears? Possible and practical?

To me, the left side on a bike that doesn't have a rear disc brake is being somewhat wasted. So how about this idea... on the right side have the normal gears but on the left side, have a ...
-2
votes
1answer
55 views

Quad chainring (4x12)?

Does anyone yet make an affordable quad chainring? I would love to see a 4x12 with my staggered cog idea such that all 12 gears are shifted progressively using the 4 chainrings. Each chainring would ...
3
votes
2answers
108 views

Replacing roller-clutch freehub with ratchet type

I live in Finland, and as such the weather right now is pretty cold. Since I rely on my bike for shopping in a rural area, the frequent and complete loss of drive I now suffer at below-freezing ...
1
vote
1answer
64 views

Ideal % jump between gears?

I am wondering if people prefer equally spaced gears (such as 20% per gear change) or if (like on motorcycles), the lower gears are spread out more and the upper gears are "tighter" (more closely ...
2
votes
2answers
163 views

Triple chainring + nonstandard sloped cogset. Can this work?

It seems that on my mountain bike and all other multispeed bikes I have seen having a rear cassette or freewheel all have sloped cogs, meaning they go from largest to smallest in order of decreasing ...
0
votes
1answer
37 views

Fixed hub threaded

I recently purchased a pre rad Bike, my friend who is a bike guy found it for me and said it was a good buy. Now when I learnt to skid I was fanging thru traffic non stop loving it, until that is the ...
3
votes
3answers
190 views

Can an aluminium frame rust from the inside if water has been in it for some time?

My bike has been sitting out in the open for a few months due to lack of space. When I finally decided to strip it down and bring it inside, a lot of water came out of the frame. It could have been ...
1
vote
1answer
121 views

At what temperature do you say its too cold to ride a bike? [closed]

It's been a great winter here in DC, its mostly high 30's but the last few days it's low 20's and in at night a little windy?
1
vote
2answers
72 views

Half speed internal hub gear?

Rather than resort to radical gears such as a very small granny chainring (such as 20T) and a very large rear cog (40T), both of which can cause some problems for derailleurs as well as other problems ...
-2
votes
1answer
78 views

do you think fixie can beat gear/non-fixie bikes?should i buy new bike? [closed]

i have hero hawk(road bike) which is 10 years old do you think i can beat non fixie bike with this or should i buy new bike? do you recommend fixie or non-fixie bikes?
7
votes
1answer
146 views

Using cheap bike computer as a cadence indicator, possible?

Has anyone ever tried just using a cheap ($5 for example) bike computer but instead of using the wheels, placing the magnet on the crank arms and then calibrating it to show cadence instead of road ...
1
vote
2answers
100 views

Hypothetical 1x10 simplification to 1x3 or 1x5

This is a hypothetical question that will help viewers (including myself) better understand gears and their limitations. Suppose someone sees a bike they like at a local bikeshop and it just happens ...
5
votes
2answers
162 views

How do I change the granny gear on a cheap Walmart mountain bike?

I have a cheap ($100) 26" Walmart mountain bike (Hyper Summit) that has a triple chainring (24,34,42). It appears there is no easy way to remove the granny gear since it has what looks like some type ...

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