9
votes
1answer
2k views

Benefits of latex tubes… Are they worth it?

Is using latex inner tubes worth it? My use of it would be on a racing bike, for training and racing purposes, only on road, mostly in good condition (but in an urban environment so there are some ...
5
votes
1answer
529 views

Ultegra 6700 Left Side Crank with SRAM Red

I'm considering buying a TT bike that has a full SRAM Red group. I'm wondering if it's possible to use my Shimano Ultegra 6700 left-side crank in place of the SRAM Red crank. Why? I've got a Stages ...
6
votes
1answer
219 views

What is this serrated wrench tool for?

So I was trolling eBay and found this crazy looking old serrated wrench bike tool. The auction had no specifics. I can't think of what you would do with such an item. What the hell is it for?
9
votes
7answers
970 views

Repeat Punctures

I was cycling home today and I got a puncture a few minutes in where the air slowly drained rather than instant rim to concrete! Fitted a new tube and 10 minutes further down, exact same issue. ...
2
votes
1answer
140 views

Quiet Components/Configurations

Phrased towards someone looking to purchase a new commuter bike, I prioritize a quiet smooth ride when possible. One of my past issues is that bikes are often great on the test ride but pretty ...
0
votes
1answer
147 views

Why is the front brake always on the left? [duplicate]

You often signal on a bike like you signal a car, with your left hand. This lets most people keep their good hand on the handle for steering. Some of my friends, though, signal with their right hand ...
12
votes
4answers
612 views

Why does cable routing utilize alternation of sections of shielded and unshielded cable?

Why do manufacturers do this? What's even more interesting, many a bike have the middle cable fully housed, while the other two are "interrupted" as shown above. IMHO those are the pros and cons of ...
0
votes
1answer
236 views

Rockrider btwin 6.2 swingarm pivot

I have a Rockrider btwin 6.2 full-suspension mountain bike. After 3 years of use, most of the parts were shot. I replaced most of them but also noticed that the swingarm pivot seems to have a ...
6
votes
2answers
661 views

Which pannier racks give the best heel clearance?

I've just bought a new bike (Pinnacle Neon 1 2013) which has a 42cm chainstay. Just to be on the safe side, I was wondering which racks provide more heel clearance than average? I'll only be using it ...
-1
votes
1answer
383 views

Is there a best suspension frame? [closed]

According to Wikipedia Trek holds two of the several suspension frame designs, and uses them both (combined) on their mountain bikes. The technologies are EVO link and Full Floater, being claimed to ...
2
votes
1answer
720 views

Identify my bike

How do I find out what my mountain bike is? I bought this mountain bike frame from a friend about a year ago. He told me that it is a specialized frame but I can't find it anywhere on the internet. ...
6
votes
2answers
247 views

Hitch for a cart for braking

I was designing a cart for personal use. I live in an area with elevations on the road, and I fear braking might be an issue for the cart I have behind my bike. Can anyone suggest a good mechanism ...
2
votes
1answer
221 views

shimano xc30 mtb spd shoes for CycloCross?

I am planning on attempting my first cyclocross race on the cheap and cant decide on what shoes. As it will be very muddy and rainy (like most British weather) I want to make sure I get the shoes with ...
2
votes
1answer
61 views

Proper Weight input for a indoor power meter

When setting up the power meter on an indoor Elite Digital Mag Trainer should I put in my weight plus the weight of my bike when I input the weight?
8
votes
2answers
6k views

Benefits and drawbacks of Dropper posts?

From what I've seen, the last couple of years saw a new product type come into light, and since its inception it has started to appear on bikes (such as this one, this one, or this one) as a stock ...
3
votes
2answers
478 views

How to route cables aroung the head tube?

Consider this illustrative picture: The cables are routed "across" the heatube. Id est the cable leaves the shifter, crosses the headtube and then curves back under the top or bootom tube. I often ...
4
votes
2answers
174 views

Should I oil new cable housings?

When installing new cables and housing, is is wise to oil the housing? If so, how? Here Hicks recommends spraying (but for re-newing old cables). On the other hand, I have found it intuitive to put ...
1
vote
1answer
56 views

A Cart for a Bicycle

I was looking at building a Cart/cargo for attaching to the back of my bike. Are you guys aware of any DIY kits or manufacturers that can build it to my specifications. I did look at some on the ...
2
votes
2answers
1k views

How to clean rubber and plastic parts with sticky, thick teflon-based lube stains?

I once lubed inside a Grip Shifter with Finish Line teflon lube, and used that for a long time. Now I disassembled everything, and the outer rubber part is quite stained and sticky. I tried to brush ...
7
votes
5answers
3k views

Compact crankset, how to use and criticality of cross chaining

I have a road bike with 50/34 compact crankset and 12/27 10sp cassette. While I don't think I could run a 53/39 one given the hills I happen to climb, but sometimes I get the feeling the right gears ...
6
votes
3answers
834 views

Can I leave a suspension fork upside down?

I currently have my mountain bike disassembled, I broke a tire and needed some space in my room. The frame is resting upside down on the saddle and handlebar. The fork itself is a Rock Shox SID Dual ...
1
vote
2answers
491 views

What kind of road tyres should I go for winter commuting? [duplicate]

I currently have kevlar vittorio rubbino tyres on my road bike, but they don't have enough grip for the oncoming uk winter conditions. What level of tyre tread do I need for road commuting on uk ...
5
votes
1answer
3k views

Tightening torque: 5Nm, 40Nm… how do I tell?

I have wonderful new manuals everywhere, of brakes, wheels... In these manuals I see "tighten up to 5Nm", "tighten up to 40Nm". There must probably be tools with such measurements on them, but I ...
1
vote
1answer
2k views

Shimano RD TX55 Tourney TX 6/7 Speed Compatibility

I currently have a 7 speed bicycle, and recently changed my rear derailleur to a Shimano RD TX55 Tourney TX for a 6/7 speed compatibility. My shifter is Shimano Rapidfire for 7-speed. The current ...
4
votes
1answer
142 views

triathlon beginners guide [closed]

I'm new to triathlon and want to ask about what are bikes that consider a good choice for triathlon beginners? for both training and locale or small competitions. Here are some parameters to put in ...
1
vote
1answer
101 views

Rear Derailleur compatability?

I am replacing a broken Shimano RD-2200, and trying to find the right part. How do I determine compatability? The largest sprocket is 26 tooth, and the cassette is 8 speed. Will anything by ...
4
votes
1answer
353 views

Where should my sit bones rest on a leather hammock/sling saddle?

Where is the ideal / designed location for my sit bones to push on a leather sling/hammock style saddle? (Relative positioning, that works for any saddle width) While I'm riding on my leather ...
-2
votes
1answer
344 views

Does this sound right: $485 ticket for not walking my bike across the street? [closed]

We got a $485.00 ticket for not walking our bikes across the street. Can i fight this? $485.00 is a bit much!!??? This ticket was given in Glendale Ca. Has this ever happened to anyone? did you fight ...
1
vote
1answer
148 views

Can a bent hub damage my fork?

I've recently noticed that my front hub is bent, or at least the parts that connect to the fork (any name for this?). It's not a huge bent, but it's clearly visible with your eyes. It fits the fork ...
-3
votes
1answer
115 views

is contour going out of business? [closed]

I use a contour camera while a bike. Recently all contour videos stopped working, and now their site seems very flakey. Asking this here because Help/Support is broken there. (close if really ...
2
votes
1answer
140 views

How do I tell if a loose chain is because of the chain or the ring wearing?

My chain looks as though it's 'stretched' - by the time it's fed around the large front chainring it appears to be 'longer' than when on the other chainrings. Therefore I'm trying to work out whether ...
4
votes
6answers
7k views

How can I develop my abs while I ride my bicycle?

I have a mountain bike, and I wonder if I can develop my abs if I take my bike to work everyday.
6
votes
2answers
315 views

Why have 29-ers arisen only recently? [closed]

I have been hearing for the past months about twenty nine inch wheels for bikes, and seeing such at the showroom windows and on the street. Also heard that they have a lot of advantages and a couple ...
5
votes
3answers
369 views

Helmets with dedicated mounting system for lights, cameras etc.?

I have came to the conclusion, that headlights work much better for me for cycling than handlebar-mounted lights. This is because: A headlamp illuminates where one is looking, not where the bike is ...
2
votes
1answer
315 views

How can I prolong the life of my bottom bracket bearings?

I have a bike with Campy components. I've found I need to replace the bottom bracket bearings annually, which is expensive and inconvenient. I do less than 2000km per year on it, largely through ...
1
vote
1answer
356 views

Need replacement cones for Shimano front hub

I am rebuilding a Shimano HB-M475 front hub, but having trouble finding the replacement cones. This one has the M9 axle, but all of the replacement cones I have found are for a M10 axles. I need to ...
5
votes
4answers
3k views

Why does reducing bike weight have such an impact on speeds?

I am trying to understand the physics of bike weight. I have just made a switch from an 11Kg road bike to an 8Kg one (obviously there are many more factors and differences between the 2 bikes other ...
2
votes
1answer
81 views

Trials: knee and elbow hurting, am I doing it wrong? [closed]

I just started learning trials stunts. I'm currently playing at a trackstand / wheelie / endo level, so basic stuff. Yet, my knee and elbow on the lead foot side are hurting... I know quite a few ...
2
votes
1answer
178 views

Will this fork crown race installation tool work?

I am looking to purchase a fork crown race installation tool, ant this one is the only one available online. The IceToolz thing is "to be delivered" someday. I am very skeptical of this tool, as it ...
3
votes
3answers
238 views

Carbon bike specific maintainance

I am about to get my first carbon bike next spring, it's a MTB with a carbon frame with some aluminium components. What are the things I should do and should not do, to avoid damaging it by improper ...
4
votes
5answers
246 views

Nice Work Shoes That Won't Get Messed up in Toe-Clips [closed]

I'm a commuter and I'm looking for shoes that won't get totally messed up by my pedal toe clips. I've been using something similar to these. Any other suggestions?
1
vote
2answers
184 views

Must a Bicyclist Riding on a Sidewalk Stop at a Stop Sign?

Riding my bicycle legally on the sidewalk, I approach an intersection controlled by a stop sign. Let's say there are wheelchair ramps at the intersection, and there may or may not be painted ...
3
votes
1answer
520 views

Replacing needle bearing threaded headset with an ordinary one

I got a bicycle like this one (90's trekking/city bike). When I got it, the headset seemed overtightened, when I took it apart I saw that it was somewhat damaged (looks like ridden for some time while ...
4
votes
1answer
183 views

If external bearing BBs are better, why use traditional ones?

Related: What are the benefits of external bottom brackets? An outboard BB includes any BB which uses the same BSA or Italian threading as older style BB's, but places a larger bearing ...
5
votes
1answer
2k views

Fixing damage to brake rim surface

somehow the alloy braking surface of my rear wheel's rim has got a series of quite shallow lacerations, less than a mil' deep bunched quite closely together (the effected area is no more than 1/8 of ...
2
votes
1answer
222 views

Selecting a compatible BB: spindle offset

Replaced Shimano Bottom Bracket, now front derailleur won't shift to largest gear How do I measure a bottom bracket? I thought the only thing that mattered when replacing a bottom bracket ...
6
votes
5answers
11k views

Rear derailleur shifting poorly, skipping gears

I've got a Shimano Sora on a 8-gear cassette, and have odd behavior and skipping, shifting under stress. This started with a trip to the mechanic for a tune up which replaced the chain. I had some ...
0
votes
1answer
248 views

What Brand of Bicycle do I have?

I was thinking about restoring an old bike I bought years ago, but I don't know what kind it is, to the best I could see, here are the numbers that was on the bottom: MOTSX (the 0 is a maybe) then 45 ...
2
votes
2answers
600 views

Shimano Front derailleur

I am rebuilding a Trek 2005 model 6500 and my spec. sheet for the bike says it has a Shimano Alivio front derailleur. Where do I find the model no. that should be stamped on the part? I don't see it ...
4
votes
1answer
1k views

Hydraulic brake cable invisible leak. Possible?

I've crashed hard, handlebar rotated as much as it could and I guess rear brake cable was stretched. Braking became soft. Time to bleed I thought. But I'm completely unable to bleed it. Tried some ...

15 30 50 per page