All Questions

1
vote
3answers
179 views

safety of carbon fiber bonded to aluminum fork crown

I recently experienced the failure of the carbon fork on my 2001 K2 Mod3 road bike at 20 miles per hour. Yes, I was injured. My question is the bonding agent that secures the carbon fiber fork to the ...
0
votes
2answers
323 views

I want to start riding a road Bike. Is it a big difference if I buy a generic one?

I was looking into buying a road bike. I have been doing some research and I understand a little bit better about components. I was looking at the trek 1.1 but I saw a generic gravity liberty 1. It ...
0
votes
1answer
81 views

Behring custom made bike

Hoping someone can help me as I don't know much about bikes. I bought a 10 speed bike at a garage sale which the owner said was custom made by a bike maker in St. Louis, MO. She said the frame was ...
1
vote
1answer
54 views

Shimano Claris FH-2400 Rear Hub Dimensions

I would like to purchase this hub, rim and suitable spokes, but I am not able to find dimensions of this hub necessary to calculate spoke size. I have checked usual places where such information can ...
0
votes
1answer
64 views

Do DC HUB Motors For Electric Bikes use regenerative braking?

Or do I need a special control circuit aside from the included electronics?
1
vote
1answer
104 views

What are the differences between Tiagra and 105/Ultegra chainrings

There is quite a big price difference between Tiagra and 105/Ultegra chainrings. Do the more expensive ones last longer? Is there difference between performance? Is the weight only relevant ...
0
votes
1answer
64 views

Kenda cyclo cross 27 x 1 3/8 fit on 27 x 1 1/4 rim?

Will the kenda K161 cyclocross tires (27x1 3/8s) fit on a 27x1 1/4 rim? I havent been successful at finding this question on here or on google, apologies if it has been asked a million times. ...
1
vote
0answers
55 views

Schwinn Vestige no longer lights up

I have the Schwinn Vestige and a very long, bumpy, dirt/gravel driveway. A few weeks ago, we rode downtown and the frame lit up amazing, as it should. On the way home, it was not lit up. Hmm. After a ...
0
votes
1answer
32 views

Bike seat frame

I got a Rhode Gear childs seat from a friend but they needed the Blackburn rack they had for it to go on for there next seat, where would I find out what type of Blackburn frame I need to fit an ...
1
vote
1answer
76 views

Choosing New Rims/Hubs & Assessing Size

I have a 10 year old Trek 7300 FX hybrid which came with Matrix 750 double walled rims. "559 x 19" is marked on the sticker of these rims. The tyres fitted are 700 x 38C (622) - I'm assuming (should I ...
4
votes
2answers
62 views

Valve Extender for Kids Bike

I can't seem to fit my bike pump onto my son's bike. The tires are too small, and there isn't enough of a gap to put the head of a bike pump on the valve. Are there any valve extenders (not ...
0
votes
2answers
72 views

Shimano 105 brifters - rear shift jumps multiple gears

I have a Specialize Roubaix that's about 10 years old with the Shimano 105 component set. I've started to develop a problem in the rear derailer where when I shift to a higher gear/smaller cog, the ...
0
votes
1answer
103 views

My front wheel was steering to the right… now it's steering to the left. What's the cause of this?

I already tried removing the cables that might pull it to the left. Still the same. I straightened the seat. I aligned the wheel properly. It's starting to annoy me. I cant ride my bike right. All the ...
0
votes
1answer
37 views

Sekai 2000 tire and rim?

I have a Sekai 2000 bike and the rims are bent very minutely. If I turn the wheels front or back and put my fingernail in a fixed position close to the rim, it is less then 1mm. Is that anything I ...
1
vote
1answer
56 views

Adjusting air pressure in the Tyre /Tire [duplicate]

I own a Trek 3500 and am an avid biker... I bike on roads mostly, but sometimes on trails too.. Is there any information anyone could share that would assist me in adjusting air pressure in the Tire? ...
1
vote
2answers
78 views

Loose Hub on front wheel

Front wheel hub is loose and the whole thing wobbles a bit. Im a fan of dubstep but there's a little too much wubwub in my hub. How do I tighten that bad boy up properly? Thanks!
1
vote
2answers
107 views

How do you make an end-capped gear cable?

I want to make my own gear cable of non-standard length. I have a cable with one end capped like the larger end-cap shown in the first picture; the other end is currently bare — I have trimmed the ...
1
vote
1answer
122 views

My disc brake rotors have started to corrode. What can I do?

For the last two weeks, I was using my bike heavily in rainy weather. I was cycling during rain for hours. Now I noticed that the discs of my disc brakes started to corrode. What can I do now? Should ...
0
votes
2answers
83 views

Upgrading rear derailer and cassette

I recently got what most people would consider a cheap and toy road bike as a gift. It came with very primitive RD and cassette (shimano SIS? I think). I enjoy upgrading my stuff, my question is, ...
3
votes
4answers
244 views

Reversing Drop Bars

If I need to sit more upright on an old Fuji road bike, can I turn the drop handlebars upright and reversed so that they come up and then point to the rear? I haven't seen anything on the net from ...
0
votes
0answers
35 views

Get a gift certificate for Assos cycling wear? [closed]

I have a client that is an avid cyclist. The relationship is ending with the client and I want to give him a gift. How can I give him a gift certificate specifically for Assos cycling apparel? I know ...
2
votes
2answers
85 views

The best way to deal with/prevent punctures on tubular tyres

I recently picked up some rather expensive tubular wheels on the back of a lot of advice to do with rolling resistance, comfort etc. However I've recently found I'm quite afraid to use them on long ...
1
vote
2answers
92 views

Internal Gear Hub for 16in Wheel?

My 4yr old son has a 16in Bikestar and at times he maxes out the gearing on it trying to keep up with his old man. How feasible is it to add either a 2 or 3 speed hub to such a bike? I'm concerned ...
0
votes
1answer
94 views

Front disc brake noise only at high speed

At a high speed (about 50km/h, but not sure exactly, as I don't have a speedometer) the disc starting to noise like it is touching the caliper/pad. At low speeds It doesn't noise and it's rotating ...
0
votes
2answers
54 views

Need help identifying bottom bracket

I need some help identifying my bottom bracket. One of the bearings is in a very bad shape and needs to be replaced. Bottom bracket photos
1
vote
0answers
37 views

Choosing a ladies commuting bike for beginner [closed]

I am choosing a bike to ride to uni (about 12 miles a day) and I am not an experienced cyclist. My budget is about £450, so I was initially looking on ladies hybrid bikes like Specialized Ariel, ...
8
votes
5answers
1k views

Does it matter where you buy the bike?

You can buy the same bike at different stores (see for example the Schwinn Discover, here, here, and here). Does the place where you buy the bike from matter in terms of what parts they put on it? Or ...
1
vote
0answers
34 views

Difference between front and rear tires [duplicate]

I've found some manufacturers have front-only or rear-only tire models. What is the actual difference between front and rear tires? Why specific tire supposed to be used only on front/rear wheel? ...
0
votes
3answers
85 views

Are front forks supposed to pull to centre?

So I took my bike in to the repair shop, to have the rear wheel replaced, but after the repair I noticed immediately the steering feeling a bit strange. I've since worked out why. The problem is that ...
0
votes
0answers
30 views

Garmin 510 lost data

I rode the Georgia 3 gap bike ride yesterday. For me almost a lifetime accomplishment. I used a Garmin 510 and when it reached 22% I plugged in an external charger. The screen continued to indicate ...
-1
votes
2answers
135 views

What to upgrade to achieve a higher top speed?

I enjoy going fast and my current bicycle tops too early, what kind of upgrades would I need to make to achieve a taller final gear?
4
votes
5answers
268 views

If a derailleur cable snaps on a long ride, how can I keep going?

A couple weeks ago I rode around Crater Lake, a 35 mile ride with over 4500 feet of cumulative elevation gain – the sort of ride you really want functional gears for. The night before my rear ...
8
votes
2answers
697 views

What is this metal bar parallel to the frame?

I saw this at work the other day and I was completely baffled. This bicycle has an additional, adjustable metal bar that runs parallel to the upper part of the frame, between the seat and the ...
10
votes
7answers
4k views

Is it realistic to fuel a long ride with NO sugar?

On a 6 hr. ride, I will burn around 4,800 cals. Assuming I start the ride fully carb loaded with around 1,500 cals in me, that means I will have to consume an additional 3,300 cals over the 6 hours, ...
0
votes
0answers
52 views

Disc brake lines quite long [duplicate]

Currently building a new mountain bike. I'm fairly bike savvy and have built quite a few bikes over the years, but mainly road bikes. I have installed/fitted a new Shimano slx group set and the ...
0
votes
1answer
105 views

My Gears Are not Shifting Well

my gears are not shifting well. i can only shift from 1st to 2nd...i don't know what is the problem i have shimano revoshift gear enter image description here here are some images
0
votes
1answer
83 views

SR Suntour XCM v3 forks Headset

Currently building a new mountain bike and for the time being I'm using the old forks until I buy some new ones. My question is how do I find out what type of headset I need? Because from my ...
2
votes
2answers
125 views

brand new fixie, different sized dropouts - send back?

i recently purchased a cheap fixie bike on ebay, brand new. it arrived today and looks great, but when i tried to attach the front wheel i realised that the right dropout is slightly (1mm) larger than ...
2
votes
4answers
163 views

Choosing a tool to take off the front cassette

My bicycle is Merida Crossway MD 40. It uses Shimano Altus derailleurs. The front cassette looks like this: I measured the central circular element, that must be holding the whole construction. It ...
1
vote
1answer
66 views

What should I check with set up of a tandem?

Particularly with reference to hired tandems, or when you're first setting one up. A bit of context: I hired a tandem today and went for a ride with my wife. I've been riding for about 20 years, she ...
2
votes
2answers
172 views

Are folding bikes less efficient than full sized bikes?

I've recently been touring with my Birdy folder, and people constantly ask me if it's hard work to tour on a folding bike. Compared to my normal sized bike (which has the same gearing, 8-speed ...
5
votes
1answer
185 views

How to select gearing for descent?

For riding on level surface one should strive for high cadence. However, what is the best solution when descending over rough terrain? On one hand, because the legs are better suspension when the ...
2
votes
1answer
71 views

Unknown shifter mount

This screw goes thru the frame (downtube) to hold two shimano 7speed (indexed) shifters. Apparently, one of the bolts is screwed and needs to be replaced. Problem is that the guy who owns the bike ...
0
votes
0answers
65 views

Why the solid 12mm rear axle?

Recent years saw the introduction of hollow axles, as the pipe is the stiffest construction for it's weight for loads expected on an axle. And now the industry is introducing the 12mm solid rear ...
1
vote
2answers
100 views

how to translate MTB wheel specifications?

I am looking for a pair of wheels for a MTB build project, but I am lost when I read the specifications for wheel sets. What I am looking for is a pair of wheels with a 9mm rear axle diameter and a ...
0
votes
1answer
61 views

How to install brakes with clamps that are too tight

I recently picked up a set of Avid DB1's and put them on my bike, but it was a bear to get them on. For background, they've got a split clamp that is similar to a seat tube where simple compression ...
1
vote
2answers
95 views

How to select a cyclocross bike at around £800 [closed]

Currently I have a GT mountain bike which which I use off-roads and toepaths just for recreational cycling at the weekends. I am looking at buying a cyclocross bike so that I can still do off-roads ...
-1
votes
2answers
82 views

Looking for advice on upgrading

I have a Specialized Rockhopper SL. It currently has the Rock Shox Dart 3 front shocks and the Shimano HG-50 chain/crank set. I want to upgrade it cause when I hit that top gear and I'm going all out ...
-1
votes
0answers
172 views

protecting your man part while cycling

While looking on the internet I found this infinity seat. But I need more info and suggestions on protecting man parts while cycling. Can this seat design help? Has anyone used this? Or do I just ...
3
votes
1answer
88 views

Quick Release Rack with Horizontal Dropouts

I own a 1980s Panasonic (steel) road bike without eyelets for a rack or fenders, and I'd like to add a rack. The seat stays and chain stays on this bike are a bit thinner than I'd be comfortable to ...

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