5
votes
1answer
247 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
117 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
202 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
161 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
605 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
209 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
188 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
183 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
78 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
630 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
142 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
325 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
98 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 ...
4
votes
1answer
865 views

Is there a way to merge tracks within a GPX file?

I have GPX files for local MTB riding areas. In each area picture several connected loops composed of between say 6 and 12 named trails. In my GPX files all of the trails are individual tracks. Its ...
1
vote
2answers
331 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
4k 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
348 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
288 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
509 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
5k 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
291 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
353 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
331 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
45 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
93 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
210 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
203 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.
-1
votes
1answer
652 views

Can anybody recommend a bike for year round commuting [closed]

I wonder if anyone has any advice or ideas on bikes that I could consider for all year round commuting to and from work. My commute is a 20 mile round trip on a mixture of rural and urban roads. ...
14
votes
5answers
2k views

Should I use lights in foggy conditions?

Today it was foggy, visibility was only slightly reduced, I already wear a high-vis on my bike but I am wondering if it is still worth me using my lights or is that overkill?
1
vote
2answers
742 views

Do I need a chain guide or bash guard to convert to a single chain ring?

I want to convert an old 12-speed into a 1x6 for urban commuting. I'm hoping to keep one of the existing chain rings at 42T and use washers on the chainring bolts or replace them with single speed ...
2
votes
2answers
288 views

How much does number of gears matter for a front derailleur?

I need a low clamp 2x10 front derailleur. As it turns out to be a challenge to find locally, I begin to wonder How important is the rear gear specification? What is I get 2x9? How important is ...
2
votes
1answer
159 views

Can I swap my fixie frame and still keep all my old components?

I would like to change the frame of my fixie, it's too small for me now. It's a PureFix Bravo 50 cm, these are the specs. I would like to change the frame for a bigger one, a 54 or 58 cm one. Is it ...
0
votes
1answer
83 views

My chain came out of dérailleur frame, but gap seems too small, am I misunderstanding something?

So the chain came off my bike on the way to work this morning, but when I tried to put it back on, it seems like it has also come out of the dérailleur frame, but the gap where it seems to have come ...
1
vote
3answers
177 views

Neck pain after BG Bike Fit?

I did the smart thing and went in for a bike fit 3 weeks ago. I had some serious pain in my hands which has since been essentially resolved. Now, in the drops and at the hoods, I get pretty wretched ...
2
votes
2answers
591 views

What are the advantages of 4 arm cranks for road bikes?

Are 4 arm cranks the future for road bikes? What are the advantages?
1
vote
3answers
437 views

Reuse oversized hardtrail frame to build a commuter bike? [duplicate]

I have a spare hardtrail frame which is too big (20.5") for me (5'7") for riding trails. Would it make sense to build a commuter bike for me as road/touring bike frames are generally larger than MTB? ...
0
votes
4answers
522 views

Bike too big for me

I bought a bike online based on a recommendation that a 56cm frame would be ok for me (I am 5ft 10, with 30" inside leg). However I think it is slightly too big. I have to lean forward a lot and my ...
2
votes
1answer
806 views

youth racing. 11 speed 16 up cassette

I have been looking around and I cannot find anywhere that sells a cassette with a 16t top gear that is shimano 11 speed compatible. Junior racing requires gear limits and I was hoping to find ...
13
votes
7answers
482 views

Is it good practice to wave following cars through when safe?

When I am being followed by a car that is unable to safely overtake, I would normally take the lane and adopt primary position as recommended, making an obvious move to secondary position once it is ...
-1
votes
1answer
52 views

Apollo Highway Brake Discs ? [duplicate]

can i add custom disc Brakes to the front at all ? Bike info here http://www.thebikelist.co.uk/apollo/highway-700c-trekking-hybrid-bike-2010 Thanks
1
vote
2answers
1k views

How to recognise a 6-speed freewheel compatible hub?

I need to change the freewheel and the hub on my road bike and have been looking for a suitable replacement. I wish to keep my rim so I will rebuild the wheel. Also, I want to stay with a 6 speed ...
0
votes
3answers
291 views

Are parallel v-brakes fixed distance? [Avid Arch Rival 50]

OK, this is naive question, but I have to be 200% sure :-) If you compare the regular v-brake against parallel v-brakes as Avid Arch Rival 50: the one thing which is always ignored is the way you ...
2
votes
1answer
854 views

How to select the fenders for my bike

I inspected the tires of the bike and found their size: 700 x 40 - 28 x 1 5/8. Which probably means, that the diameter is 28 inches and the tire width is 40 mm (I measured with a ruler). I found, ...
0
votes
1answer
396 views

What could cause an inflated tire to be “untrue” on a true rim

I just bought a new set of tires (Continental UltraRace 25-622 700x25c) for my bike, which has rims Rigida 28 x 1 5/8 x 1 1/8 - 700c. When I inflate the inner tube (both a Schwalbe 28" 18/28-622/630 ...
2
votes
2answers
528 views

How can you remove the interrupter (top bar) levers from the Giant Avail 5?

I'm looking to gain a little extra space on my handlebars and I do not use these brakes, so I was wondering if anyone knew of a way to remove them. The spec is: Brake Levers Shimano 2300 w/ ...
2
votes
2answers
153 views

Replace hub from old cassette to new fixed

I have an old mavic race rear wheel where the hub is rusted, but the spokes and rim is in prime condition. Thinking about changing just the hub (reusing spokes) to a fixed flip-flop to use the wheel ...
1
vote
1answer
192 views

Pedal bearings (friction and spinning)

My wife recently upgraded her pedals to LOOK carbon and we were very nicely walked through all the different types of pedals from $100-$400. I was amazed to see how hard it was to spin the cheap ...

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