0
votes
0answers
52 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
3k 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 ...
3
votes
3answers
627 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
2answers
618 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
95 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
68 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
2k 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
154 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 ...
2
votes
1answer
325 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 ...
-2
votes
2answers
276 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?
6
votes
5answers
2k 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 ...
9
votes
2answers
800 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 ...
11
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
169 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
441 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 ...
3
votes
2answers
181 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
517 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 ...
2
votes
1answer
97 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 ...
3
votes
2answers
826 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
253 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
124 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 ...
2
votes
1answer
217 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
1k 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
182 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
669 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
88 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 ...
3
votes
1answer
222 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 ...
1
vote
2answers
195 views

BB Lockring won't completely tighten

I am trying to put the lockring back on my BB after adjusting it to reduce the play, but I am unable to full tighten it. I can hand tighten the lockring, but as soon as I try to use my hook spanner to ...
2
votes
2answers
191 views

Front wheel bent

I left my bike in a shed, probably someone hit it, it fell and now the front wheel is bent. Not too bent, but when riding it oscillates with about 1 cm. Of course, this is messing with the brakes, but ...
0
votes
1answer
79 views

Outer chainring with two sizes

I see outer 130 BCD chainrings with 52T/39T. Why the the 39T in the label? How does the outer care or know what the inner ring is? What would be different about 52T/42T? Does the 39T care what ...
0
votes
1answer
750 views

Are new Shimano shifters compatible with old 600 Arabesque derailleurs?

Does anyone know if I can use new gear shifters, especially integrated road bike shifters, with vintage a Shimano 600 Arabesque rear derailleur? Will the pull ratio of the shifter and derailleur ...
3
votes
2answers
145 views

Why is it important to keep equal number of turns when building a wheel?

My first wheelset build here. I am following Sheldon and this guy. They both stress very much to tighten the nipples to an equal length, for example just as the spoke threads stop showing, and the ...
6
votes
2answers
335 views

Tips for having partner drive support.

I am hoping to get some tips and suggestions for having a partner drive support for long rides (training or touring). Is it best to plan spots that they will meet you and can get to your location of ...
2
votes
1answer
99 views

Gearing on drivetrains

I am running a tiagra compact 50/34t front with a sora 12/32t rear, I am still finding the long steep hills a problem, is there a alternative available without going tripple. IE lower front chain ...
1
vote
2answers
344 views

Is it normal for the chain to slip in an 'extreme' gear?

My bike's recently been in for a service so afterwards I checked that all the gears are shifting and working properly. As part of my testing I put some power through the cranks in the photographed ...
1
vote
3answers
5k views

Difference between road & mountain drivetrain

Basically MTB and road bikes have different brand parts (like deore / XT; Sora / Utegra etc). What are the main differences between the 2 types, that will make it incompatible? Are there things ...
1
vote
1answer
417 views

Buying mudguard and pannier together vs separately

I need to get new fenders/mudguards, and I also need to get a pannier rack. As I understand it, these can sometimes be bought as one unit, they can obviously be bought separately, and I am not sure ...
0
votes
1answer
329 views

Can I fit a 105 crank arm (stages) to a Claris 2400 crankset?

I currently have a Specialized Secteur with a Shimano Claris 2400 crankset (compact). I'd like to buy a Stages power meter but they do not sell Claris crank arms. Can I simply put a 105 crank arm on ...
3
votes
3answers
577 views

Does the rear tyre carry more weight than the front tyre?

As I'm riding my bike, it looks as if the rear tyre is carrying more weight than the front tyre: The rear tyre looks more squished downwards, even though both are equally well-inflated. This I think ...
0
votes
2answers
6k views

Can I change my 7-speed rear derailleur to an 8-speed?

I bought a 2013 Cannondale Quick 6 Hybrid for my daily commute almost exactly a year ago, and I'm looking to give it some upgrades. It currently has a 7-speed Shimano Altus derailleur, and I was ...
2
votes
2answers
1k views

How are hub dynamo lights wired and why does a rear light cause the front to come on?

I have a bike with a Shimano hub dynamo, a B&M Cyo switched LED front (LED) light, and a B&M D-Toplight rear (LED) light. With the rear light disconnected, things work as I expect: When ...
2
votes
3answers
298 views

Is it safe to go over roots at high speed on a cross-country bicyle?

I have an average cross-country bike (Cube AIM), with stock parts on it. I have no problems descending at high speeds on a rocky road/singletrack. But when I have a long, steep descend with big ...
2
votes
3answers
413 views

Hill riding: What gears are usually the most comfortable?

I've read this and this and I understand the good ways and the bad on how to ride up hills. In fact I consider myself a good hill climber (roadie), but some of the guys I ride with are beating my KOMs ...
1
vote
3answers
351 views

I just replaced my cassette, do I need replace the 2 month old chain?

I replaced both my cassette and chain in July (2.5 months ago). For some reason my chain started skipping when I was in the smallest cog in back. I took it to a shop, they could not find anything ...
1
vote
1answer
47 views

Changing Frames

I just had a crash and wrecked my Cube hardtail mountain bike. Can I put all the parts, wheels, Reba Rock Shock, Shimano gears etc off my hard tail on to a full suspension frame?
-1
votes
1answer
97 views

What causes brakes to perform worse when the bike is loaded?

I adopted a thoroughly abandoned Univega Super Strada from somewhere in the '80s or '90s. It has Shimano caliper brakes in good condition with pads that are worn but still have plenty of the indicator ...
0
votes
1answer
229 views

New wheelset, spokes losing tension

I recently got a new wheelset Reynolds Solitude from a friend. He bought a new bike and it came with these wheels so he sold them as take-offs. They have internal spokes. I have one problem with them ...
0
votes
2answers
204 views

What is the hazard turn signal?

I know the other turn signals, but what if I need to flash the hazard? On a car it is both turn signals, but on a bike stretching both arms is stupid.

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