1
vote
0answers
52 views

Play in Jockey wheels Sram X7 rear derailleur

I have an SRAM x7 rear derailleur only been using it a few months (through the rain) and the jockey wheels seem in a bad way. There's a lot of side to side play in them and the teeth look sharp when i ...
1
vote
1answer
170 views

Fitting a bottle cage

I have an old steel frame Peugot road bike that I want to fit a bottle cage to. It has braze-ons but I'm not sure how to mount it. Can anyone advise? Pictures uploaded.
8
votes
3answers
940 views

Are road bikes capable of being ridden on gravel?

I am new to road bikes and was wondering if these bikes are capable of riding on light gravel or whether I will get flats? Does it depend on the tire material or are generally all road bike tires for ...
1
vote
1answer
77 views

Have you built your own components? [closed]

I got a commuter rig from a mailorder mike operation and would love to replace the stem with something I've made. I am getting into some CNC/casting/woodworking was curious if people have fabricated ...
5
votes
2answers
104 views

What tolerances should I use for spoke tension when building a wheel

I am replacing the rim on my rear wheel with a new one. I've brought up the tension on the spokes close to the final tension by truing / increasing tension / truing / increasing tension. I've got ...
12
votes
2answers
306 views

Cut U-Lock…Bicycle Left?

Is this a common thing, and if so, what is the motivation behind it? When I went to unlock my bicycle this morning, when I touched the U-Lock, it basically fell apart. It looks like someone used a ...
4
votes
2answers
109 views

Tapping threads into braze-ons

I have a rather old frame that doesn't have threads on the rear rack braze-ons, and thus requires a nut. This nut makes contact with the chain if the chain is on the outer sprocket, so I'd like to tap ...
6
votes
4answers
218 views

Howto design a route in Google Maps on the pc and navigate on the android device

I would like to do the following: Create a route in Google Maps on the pc and save it under my account Set Start and Target and let google maps create a route for my bycicle. Change the route and ...
7
votes
0answers
275 views

Name that frame! (Likely Japanese, likely made in 1986, with known serial number, but with an unknown manufacturer)

I have a bike frame of unknown lineage. The bike question is if the manufacture can be identified from the serial number. What is known: The serial number under the bottom bracket is IS513786 The ...
1
vote
1answer
111 views

When I press on pedal, intermittent loss of power

Recently, when I cycled my bike the pedals would jump when I pushed down on them. I brought it to a shop who replaced the cassette, the chain, the two crank arms and probably the crankset. I have also ...
3
votes
2answers
88 views

Which way to wrap handlebar tape

Seing this thread showed me what the tape should be wrapped up from the outside of the handlebars (left side handle wrapped clockwise seen from behind, and vice versa) but looking at some videos at ...
0
votes
1answer
53 views

how to adjust the derailer - apart from the L/H limiting screws

Pardon my newb terminology. My bike's chain will not stay on the H gear (the big ring) The front derailleur will not allow it. I have loosened the limiter screw out to it's maximum and, still, no ...
2
votes
1answer
101 views

Why are Avid brakes so difficult to bleed? [closed]

I have bled Avid Elixirs 3, 5, CR, etc... I still have a hard time getting a "good bleed." I follow the instructions online, and via Avid's youtube video, I use the kit and it still takes me going ...
3
votes
1answer
74 views

Modifying Brake Cable to Fit?

I have recently decided to replace my brake cables before a particularly long ride, since they haven't been replaced in a number of years. The problem I have is that the stock rear cable on my bike ...
1
vote
2answers
72 views

loose spoke that will not screw back in

Noticed that my rear wheel is pretty un-true and is hitting the brake pad / wont spin freely. Decided that I would try to fix it myself before opting to pay 20 bucks. There is one spoke that is ...
0
votes
1answer
51 views

KMC Z8S IG or HG compatibility

I have bought a KMC Z8S chain , but it slides over the rear cassette . The model of the cassette is Shimano CS-HG30-81 , it is not worn yet , and the chain length is also perfectly calculated . The ...
2
votes
2answers
186 views

What does a “dished” wheel mean? How to tighten spokes on such a wheel, without a spoke tension meter?

Should all the rear wheel spokes have equal tension? Or should the spokes from the side of the cassette be tighter, in order to skew to wheel in that direction, and the wheel to be centered in the ...
5
votes
1answer
168 views

How tight should brakes and shifters be on the handlebars?

How tight should handlebar components be? Here it's said 6-8Nm. However, I don't own a torque wrench at that range. Should the brake levers and commands be tight, or should they be able to twist, ...
2
votes
1answer
75 views

why does the lemond revolution turbo trainer quote its volume of air resistance in meter^2 and not per second cubed?

The Lemond revolution states that it creates consistent aero resistance with its fan power from 0 newtons to 40 newtons along one axis and 0 to 160 meters/second^2 on the other axis. Since air flow is ...
0
votes
1answer
48 views

Rockrider 8.1 rack and bags

I'll do a bike trip that will last a week and I need to mount a rear rack. My bike is a Rockrider 8.1 with disc brakes without threaded seat-stay bosses to attach the mounting bracket arms. A ...
1
vote
0answers
47 views

Sliding chain back on hub gear bikes

I got a folding bike 2 months ago and got my first hiccup. It has a 3-speed hub gear and while changing gears today, it seems like the chain slipped off the smaller chainring near the back wheel into ...
6
votes
4answers
516 views

If a lane is going to expand should the left lane be taken prior to the expansion?

This is US law and roads. Drive on right side. Speed Limit is 45mph (72kmh) And as @Benedikt Bauer pointed out solid white lines are not supposed to be crossed. In the morning though there is very ...
5
votes
1answer
113 views

What is the actual cable pull of brake levers?

I understand that there are 2 brake lever cable pull standards: Standard Pull Levers Long Pull Levers (for V-brakes and disc brakes) But what is the actual difference in pull? And specifically: ...
0
votes
2answers
66 views

Sliding chain over the cassette [duplicate]

Today I have replaced my chain with a kmc z8s. The rear cassette is Shimano acera 8 speed , and is not worn yet , so everything is OK with the cassette. But the problem is that the chain doesn't fit ...
5
votes
1answer
94 views

Do I need to be concerned about a carbon frame if I attach a bike trailer?

We have a bike trailer with the hitch attached to the rear axle. The frame of my wife's bike frame is part carbon (right around the rear axle), which I understand is more brittle than other materials. ...
2
votes
5answers
487 views

Speed and comfort of a racing bicycle?

I just saw this guy called Jason Rourke breaking the record of 112.94mph (181km/h) on his bicycle. I wish I could have such a bicycle to ride, but I have never ridden a racing bicycle with gears. I ...
2
votes
1answer
99 views

Calculate frame stack and reach

Is is possible to calculate stack and reach for framesize 63?
1
vote
3answers
121 views

Cycle tyre and tube burst

I pumped my cycle front tyre to 105 psi (700*23c) 5 days back and cycled some 60 km on the same day without any punctures. Afterwards I parked the cycle in my bedroom for the last 5 days (due to ...
5
votes
2answers
318 views

Bottom bracket removal, what is this part?

I have a new (old) bicycle, and I am in the process of disassembling it. I arrived to the bottom bracket (with a cottered crank), and unscrewed the ring without problems, but then I'm faced with a ...
1
vote
1answer
65 views

Adaptor for 20mm Shimano saint 810 hub to 15mm?

Currently I'm running a Shimano Saint 810 front hub and fork Lyrik coil 20mm. I've a good offer on a brand new Manitou Mattoc 2014. But this fork uses 15mm axle. I'm looking for an adapter to be able ...
0
votes
1answer
67 views

Can big drop-offs and rocky descents be handled by 29er with 120mm

Looking to buy the new Whyte T-129s. Other bikes I've looked at (Trek Remedy, Orange 5, Lapierre Zesty) have 140+mm of travel whereas the Whyte only has 120. Will this be an issue for riding off large ...
2
votes
3answers
306 views

Backpack size - 10L vs 14L

Looking at the Osprey raptor 10 or 14 litre hydration packs. Does anyone have any experience with these, and can suggest whether there is a significant advantage in the extra capacity offered by the ...
1
vote
1answer
53 views

Adapt V-brakes bicycle to disk brakes

I've been thinking in changing my v-brakes to disc brakes. Now that my rear v-break can't brake anymore I think that it is time change it. I've already seen this article. My frame is prepared for disc ...
5
votes
4answers
579 views

Bicycle Storage: Does Kvartal method need studs (or other suggestions)?

Does anyone know how http://www.apartmenttherapy.com/ikea-kvartal-easy-unobtrusive-137753 was done? Do I need to get them into studs? Here's some photos of my laundry room, I thought it would fit ...
9
votes
3answers
255 views

Why do some triathlon seatposts go straight up and down instead of at an angle?

Why is it that some triathlon bikes have a seat post that adjusts straight up and down instead of the more standard axis that aims at the bottom bracket? This means that if you raise (or lower) the ...
2
votes
1answer
83 views

What format should I select for automatic upload to Strava?

I have three choices of file format to use for automatic uploads from my device to Strava: GPX TCX FIT. Which if these will provide the best data? Are there other issues that distinguish them — such ...
4
votes
4answers
314 views

Type of cycle for losing weight and staying fit for a beginner [closed]

Over a year ago I was diagnosed with a collapsed arch in my left foot and despite trying many times I have not been able to get back on the treadmill. I have been thinking of getting a bicycle to ...
3
votes
1answer
52 views

Bike lock bar jiggles in locked position — indicative of weakness?

I've been using the same bike lock for a number of years now (one like, but not necessarily exactly the same as, this one). I noticed today that when in the locked position there is quite a bit of ...
5
votes
2answers
404 views

Can I enter an enduro race on a hardtail mountain bike?

I really like the idea of enduro racing but I cant currently afford an enduro specific bike. Is it acceptable to enter an enduro event on an aggressive XC/trail hardtail mountain bike? Are there any ...
4
votes
3answers
165 views

Best 9 speed cassette for fast & flat

I have a road bike with a 28/12 rear cassette. I cycle in Cambridgeshire on a daily basis and it's very flat. I find that I never use the hardest cog, leave the chainring on the biggest cog and ...
0
votes
1answer
129 views

looking for an entry level bike [closed]

I need your help. I am looking for an entry level bike to ride everyday. I am looking for something to excercise. I am 6 feet tall and weigh about 240lb. I want to start slow about 10 miles a day ...
2
votes
2answers
137 views

MTB Crank on a Cyclocross Bicycle?

I have a new FELT Cyclocross frame and i am looking for a BB30 Crank to go with it. I don't really need more more than one chainring, so i end up looking at a lo9t of MTB cranks on eBay. What are the ...
2
votes
2answers
78 views

Cyclocross Rim Wearing with Rim Brakes and appropriate Solutions

For Reasons that are not to be discussed here i did choose a cyclocross frame without disc brakes mounts and i am going to train/compete with Canti Lever Brakes. Obviously, with all the mud and dirt ...
4
votes
3answers
249 views

Transition between hybrid bike and endurance road bike

What are the different skills I need to develop when transitioning between a hybrid bike and an endurance road bike?
4
votes
1answer
160 views

I'm a bit confused on bike shoe terminology. Particularly regarding Look KEO Plus Pedals - what is required to use them?

I'm a bit confused on terminology. Clipless pedals are the clip-in style pedals. Correct? Then the cleat are the shoes you wear? Or are cleats just bottom attachments for any cycling shoe? A used ...
0
votes
1answer
35 views

Dropper seat post with 150 mm of travel

Are there dropper seat posts with 150 mm of travel on the market other than Rock Shox Reverb Stealth and Kind Shock (LEV & Supernatural)?
3
votes
2answers
70 views

Bicycle speakers

Hey I am looking for a pair of speakers to mount to my bike. How I plan to mount these speakers has yet too be determined, but I have tried once in the past, where I added a pair of speakers to the ...
1
vote
3answers
123 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?
6
votes
2answers
388 views

Why aren't most suspension bikes extremely long travel?

Considering that all mid-range rear shocks have a setting to limit the travel (called oil gate?): CTD or equivalent, why wouldn't most frames be designed for extremely long travel? What is the ...
-2
votes
1answer
61 views

different types of rear shock suspension and their uses? [closed]

explain me about the rear suspension of mountain bike.

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