-1
votes
0answers
7 views

Why is part of this Derailleur loose? (Sun Tour Cyclone II)

As you can see from this picture, part of my Derailleur is loose. Notice how the gear is not in flush with the cylinder. It has a no other parts (that I can find!) than a threaded screw to go in ...
0
votes
2answers
15 views

Finding the right length of chain lock for my road bike

I am trying to buy a chain lock as I would be leaving my cycle in quite a busy area. I am not sure what length of chain lock I will need if I wanted to secure my bike using a chain that runs through ...
0
votes
0answers
11 views

SON 28 Hub Dynamo “Rotation Lock”?

Good morning/evening/night. I have bought and succesfully installed a SON 28 Dynamo Hub and a Supernova The Plug III on my bycicle. However, when the wheel spins, the Hub Dynamo connectors will spin ...
0
votes
0answers
10 views

Motobecane Sprint Retro Fixie

Question for rebicycling a Motobecane Sprint Blue. I have a desire to rebicycle this Motobecane Sprint into a semi retro style with the orginal theme. In short i would like to purchase the same ...
0
votes
0answers
19 views

3 Speed Front Derailleur can't reach small gear

I bought a new frame and put my old Campagnolo Racing T components on it. The seat tube has a diameter of 35mm and I use the Campagnolo 35mm clap for the racing t derailleur. The problem is the ...
0
votes
0answers
16 views

Replacing rubber connection in a bicycle trailer coupling

I salvaged an old bicycle trailer. I have one concern though. The bar that goes from the trailer to the bike, I believe it's called the tow hitch, ends with a small rubber coupling, to allow for ...
1
vote
2answers
16 views

Rounding spoke length calculator results

The spoke calculator gave me the following results left 292.34 and right 290.98. I am going to buy DT Swiss Competition spokes which are sold by 2mm increments from here. So which spoke length is ...
2
votes
0answers
38 views

What is this tool for?

I recently found this in my cycling shirt. I don't know where it came from, and what it is used for. It reads "Simson" on the other side, but I have no clue what I could use it for. Does it have ...
0
votes
0answers
20 views

Recommendations for a fork-mount rack

I'm looking for a fork-mount bike rack so I can attach a small-ish pannier on my road bike that can hold a U-lock, pair of shoes, and other light items. I've read reviews on the Axiom DLX Lowrider ...
0
votes
0answers
45 views

Why does my Rear bike tire slow down when Pedaling?

I just replaced a flat on my rear road-bike tire. I had also tried to replace the rear axle, By removing the axle completely, to a quick release lock but realized the axle that had been installed with ...
1
vote
0answers
13 views

BB92 (Shimano bottom bracket) with SRAM 30mm crankshaft (X01 or XX1 BB30)?

The frame that I want to build has BB92 bottom bracket. The drivetrain I want to use is 1x11 SRAM XX1 or X01 with 30mm crankshaft (BB30). There are ways to fit it - directly pressing these bearings ...
0
votes
1answer
38 views

Any small bags that mount to seat post?

I am looking for something similar to a saddle bag but that mounts to the seat post and not the saddle. I have a rear mounted camera that attaches to the saddle so want a bag that I can mount lower ...
0
votes
1answer
24 views

Need help choosing rims for fixed gear

I have a Specialized Langster (really old model i think), and it got ran over, well the rims did, and I don't know which ones to get. I wanted to buy the rims and the spokes separate. I would like ...
1
vote
1answer
84 views

Do 16g CO2 cartridges have a shelf life?

I mainly use my road bike during the triathlon season and now that the season is coming back around again, I am finding some old, unused CO2 cartridges from last season (fall). I typically use 16 ...
2
votes
1answer
31 views

Removing and reseating front wheel makes disc brakes rub

I have a brand new bike with Hayes CX Expert disc brakes. When I picked it up at the shop, they had dialed the front brake in nicely so it grabbed pretty quick (i.e. without having to pull it right to ...
0
votes
1answer
31 views

What bottom bracket do I need for a decathlon rockrider 5.0

The bottom bracket on my Rockrider 5.0 has a little too much play in it so I figured it best to change it before I get a failure whilst I'm commuting. Does anyone know which bottom bracket I would ...
6
votes
6answers
920 views

Help for a 169 mile bike ride

I am not a pro and I have never taken a long bike trip before, but I think I am up to it. The trip is not going to be one-go. I'll stop for rest. I am thinking that if I do 10 miles a day, I should be ...
0
votes
1answer
18 views

1996 Mongoose size 19" Crossway 650 replacement size inner tube [duplicate]

My bicycle has a label saying size 19" . What is the tire size for my bicycle and the what is the inner tube size?
4
votes
1answer
90 views

How do internal hubs work

This question is just one of curiosity. I have a hard time visualizing this. How do internal hubs work? Does anyone have a cross cut image that is easy to understand?
2
votes
1answer
44 views

Inner elbow/bicep tendon pain from drop bars?

I've just recently bought a new bike with drop bars for my daily commute. It's great fun and actual feels quite comfortable after following a few fitment videos and guides online. The bike is a ...
2
votes
1answer
76 views

Every time I move my handle bar left or right the wheel turns in different direction

I crashed my bike and now every time I push on the front wheel a little, or if I turn the handle bar a little hard the wheel turns in the other direction. What could cause this and what can I do ...
0
votes
0answers
39 views

Security wheel skewers for front facing horizontal dropouts

I was looking into upgrading my current skewers to security skewers, e.g. Pitlock skewers (These are skewers which are designed so that its harder to remove a wheel without a specific key provided ...
2
votes
2answers
46 views

French handlebar fit

I have an Atax stem ('85 Peugeot). Original steel handlebars are 25 mm. Is it prudent to spread the stem to accommodate Nitto 25.4 randonneur bars?
2
votes
1answer
40 views

Peugeot rear brake location

I have a 1985 Peugeot P16 (mixte). The Weinmann 730 sidepull rear brake was located at the seatstay bridge. Q: Is it safe to relocate it to the gusset plate located behind the seat tube and attached ...
0
votes
1answer
49 views

Beginner trails near Manchester UK

I'm very much a novice when it comes to mountain biking. By novice I mean I have absolutely no experience of this. I have two questions Are there any trails within commute from Manchester that are ...
8
votes
1answer
379 views

Pros and cons of single-sided forks (Cannondale Lefty)?

Looks like they save some weight, but how do they have a better strength/weight ratio than a traditional two legged fork? With the single-legged fork the fork and axle must resist huge bending all ...
0
votes
0answers
27 views

Has anyone ever tried to estimate peter sagans ftp and 5 sprint power, if so what would they look like?

Does Peter Sagans ftp and 5 second power differ hugely from someone like Mark Cavendish or is Mark Cavendish close in his ftp power range but not world class like Sagan? As Mark Cavendish is 70kgs ...
2
votes
0answers
30 views

Steel vs Aluminum Spokes and Rims

I'm looking at a couple of cruiser bikes on Craigslist. I want to take them to my beach house for guests. How can I tell if the rims and spokes are steel or aluminum? The steel spokes on an ...
1
vote
1answer
61 views

Are these steel rims safe?

I recently bought an old Eastman ten-speed. It's got 700x23 tires on steel rims. The walls of both rims bend out slightly, maybe 10 degrees each. I'm not sure if they were built that way, or if ...
2
votes
0answers
29 views

"Le vélo de Tati” - Jacques Tati by Robert Doisneau

Does anyone know where i can purchase this iconic poster? I've searched the most obvious websites. thanks
0
votes
1answer
36 views

Cross-Bike for my size / weight

I'm 183 cm / 100 kg (220 lbs) and was thinking of buying a bike. I was looking at the following models: Trek Bike 7.4FX (http://www.trekbikes.com/us/en/bikes/city/fitness/fx/7_4_fx/) and Giant ...
0
votes
0answers
50 views

Can anyone identify this? [on hold]

looking for some help please. Can anyone identify this bike ? Any idea of value? Any help would be appreciated Thank you in advance.
2
votes
1answer
42 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 ...
0
votes
0answers
17 views

Missing valve part from Marzocchi MX Pro 2003- how does it work?

I'm trying to figure out if I can make a replacement part for an old pair of Marzocchi MX Pro 2003 forks. Its part of the rebound damping rod and is the metal bit in this photo on the top where the ...
7
votes
1answer
182 views

Why are riders allowed to draft behind cars in Grand Tours?

During one of this week's stages of the Giro d'Italia, Richie Porte had a 'technical' issue with his bike that caused him to lose a number of minutes from the peloton. It was of significance as it was ...
4
votes
1answer
83 views

How do self-sealing inner tubes work?

How do self-sealing inner tubes work? I understand it protects against objects up to a certain length, but do I need to still remove the offending object eventually? Or do I need to leave it in? Are ...
0
votes
1answer
41 views

Rear disc calliper won't fit, disc mount bent?

I am upgrading my MTB to disc brakes. I have disc compatible wheels and a set of Shimano M446 Postmount callipers and 160mm rotors. Front fork is a Manitou who decided to jump on the Postmount wagon ...
8
votes
1answer
167 views

Bike pump: what is this lump?

What is this lump in the picture and how does it work? I have another pump, which physically is the same but minus the bulge. The one in the picture seems to perform better, ie less work to reach ...
0
votes
1answer
44 views

Feet slip off flat/cleat hybrid pedals when it's wet

I have those hybrid pedals that allow for both clipping in with cleats, and riding on flat pedals with ordinary shoes. As I use my bike for cycling around the city, I mostly use the flats. What ...
2
votes
0answers
39 views

Who recognises this titanium frame?

I bought this titanium frame some time ago. No markings, only this serialnumber on the bottombracket. The 84 propably stands for 1984 as the bike was fitted with Campy's 50th Anniversary gruppo. BB is ...
0
votes
0answers
17 views

Wheel building for n360 + disc brakes on H Plus Son 700c, 36h

I'm working on building a couple of wheels for a road/commuter bike. This is my first wheel building endeavor. I have: 2 H Plus Son 700c, 36 hole wheels A Nuvinci n360, 2012 model A set of TRP Hylex ...
0
votes
1answer
27 views

Help on calculating spoke length

I am going to replace my bent hub on my MTB. The hub is Novatec D042SB and the rim which I am going to order is Sun Ringle Inferno 25 29er. Since my hub is not so popular there are not any default ...
0
votes
1answer
18 views

SRAM compatible 11 speed 12-25 cassette?

I'm looking for an 11 speed 12-25 cassette compatible with a SRAM drivetrain, however I don't think SRAM makes one. They list specs for their 11 speed cassettes as follows: 11-25: ...
0
votes
1answer
17 views

How do I adjust my rear coil suspension?

I have a full suspension bike with rear spring-style suspension. I find the rear suspension too soft. How do I make it firmer?
0
votes
2answers
40 views

Alex CXD6 Wheelset Clincher or tubular?

The 2015 Kona Jake the Snakee has Alex CXD6 wheelset installed, but i could not find any information is it for tubular, clincher or for both tire types ? It has Challenge Grifo Comp 700x32c tires ...
1
vote
3answers
280 views

Why should you not just buy the chain with more links?

I have the choice of buying a 114 or a 116 link chain for the same price. Why would I not buy the longer one and shorten it? In my case my bike previously had 108 links, and assuming that was ...
9
votes
3answers
1k views

What is a power meter and why do I need one?

So I've been looking to become a triathlete soon and I'm hearing all this talk about power meters. Now, upon googling I found vague information which is why I came here. Exhibit A. That article gives ...
2
votes
1answer
66 views

How to turn right in Japan

In Japan, how are bicycles supposed to turn right? Apparently, new rules have been decided in 2015, and there is a specific way to turn to the right at a crossroad, depending whether there are ...
0
votes
0answers
62 views

Small puncture not repaired even after three attempts, patch leaks every time

I am trying to repair a puncture, it's a small one, but even after applying the glue and patch it starts leaking after a while. I have followed the procedure of scrubbing the tube and then applied the ...
4
votes
1answer
68 views

Guidelines for building tape delimited MTB courses

There are a few vacant lots around where I live and last weekend, I built a small (170m) tape delimited course. Some of the kids in the neighborhood rode in it. I also worked out in it, going full ...

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