0
votes
1answer
21 views

Can I use my standard quick-release rear hub with a frame with 142x12mm rear end?

I'm wanting to buy a Commencal VIP JR frame which has the 142mm x 12mm rear end. I'd like to keep my same wheelset however. My current rear hub is just the standard quick-release (which I assume is ...
1
vote
3answers
328 views

Would “fat” tires help me learn skinnies/log rides?

I'm relatively new to mountain biking, and am considering purchasing a new, less expensive bike to help me learn to ride wooden obstacles (skinnies, curved bridges, etc.) without fear of damaging my ...
3
votes
1answer
111 views

sram cx1 without the sram cx1 crankset?

I'm thinking of upgrading to sram cx-1 and discs for next season but would like to keep the current crank set based power meter I have. Can anyone think of a reason why I could not use the current ...
1
vote
2answers
76 views

How suitable is a Dahon folding bike for Indian road conditions?

I'm in the market for Dahon folding bike. I have narrowed down on the Dahon SUV D6 since it suits my budget. I would be carrying it around in trains on weekends to tourist towns in South India and ...
1
vote
0answers
28 views

What should downhill technical stance look like? [duplicate]

Today I was riding a XC mountain bike down a semi-steep mountain with some big bumps and tight turns. I had me seat all the way down, was standing with knees bent, and correct stance like it should ...
1
vote
5answers
104 views

How much light is enough for year round commuting?

I used a Cateye Single Shot for 5 years until it died. Now I use a Cateye Single Shot Plus that I picked up on Ebay for $50. It's noticeably brighter than the Single Shot, but with my new commute I'm ...
2
votes
3answers
66 views

How hard is it to remove a European-style rear-wheel ring lock?

I have an old Breezer Uptown 8 with a European-style ring lock on the rear wheel. I am thinking of removing it. Does anyone have experience doing this? Is it as easy as unscrewing a bolt? It looks ...
1
vote
3answers
123 views

Full helmet (BMX) for Commuting, what is the current 2014 opinion?

So, back 15 years ago, I think wearing helmet is kinda hype. I started wearing cycling helmet around 10 years ago seeing how dangerous cycling on the road is. Just recently I got in an accident ...
4
votes
2answers
379 views

What are typical max speeds for pro downhill races?

Looking videos like Red Bull Rampage or Mega Avalanche make me wonder about the speeds attained by those pro bikers. How fast they go in straight line sections?
0
votes
2answers
128 views

Why does my chain slip off the chainring when cruising or back pedalling?

My bike is a little more then a year old (although I do put a lot of miles on it, about 12 miles a day), this problem seems to have started about a week ago. It's a 7 speed Avilon Next (a cheap brand ...
0
votes
1answer
42 views

CycleOps Mag Trainer skewer doesn't fit

Can I use my CycleOps Mag Trainer without the skewer? The skewer that came with my trainer does not fit properly. Does anyone know if I can use it with a Shimano Nexus 3/8" cap nut?
1
vote
2answers
118 views

Anyone using studded bike tires on a commuter in milder climates?

I'm in the Pacific Northwest, Washington State, and I bike commute year round 5 miles each way. At my previous gig and rental, I had the fairly easy option of walking the 1.4 miles to work. I'm less ...
9
votes
2answers
598 views

Is it normal for my derailleur cables to cross over on the down tube?

I've just picked myself up a Specialized Allez Sport 2014 road bike from Evans Cycles (UK). I test rode the bike and I'm happy with the bike, but when I got home, and flipped the bike over to make a ...
2
votes
2answers
40 views

Rockshox Quadra 21R — Removal tips for old brittle elastomer

I am tuning up the mountain bike I purchased in 1994, which has the old yellow Rockshox Quadra 21R front suspension fork. I have found a nice video on YouTube which shows how to service the ...
0
votes
1answer
25 views

Bolt size for the Weerider Kangaroo

I lost the main bolt for a Weerider Kangaroo, just wondering if someone has one and can tell me the size of the main bolt the one that attaches the seat to the bar.
2
votes
1answer
70 views

Mixing various spoke widths in a single wheel

So the story began some 4 years ago, when I bent my rear derailleur hanger while crashing, and my chain got stuck between the cassette and the wheel scratching a few spokes. Everything was fine until ...
0
votes
1answer
50 views

Training for sprints / short races

How do I train / fool my body to go anaerobic for intervals? I entered my first cyclocross race a couple weeks ago and have since been training on the course. What I found during the race and my ...
3
votes
1answer
60 views

Odd metallic chafing sound

I bought a second hand road bike recently, I'm quite new to the field. I had a wet'ish ride and ever since getting a little bit of mud on my bike there's a metallic chaffing sound whenever I apply ...
3
votes
1answer
237 views

Why so much hate for presta valve caps? [duplicate]

I first remember hearing hate for presta valve caps in the video where Lance Armstrong changes a bike tire. He says: See that little black thing? Don't put that back on when you're done... ever. ...
4
votes
8answers
1k views

Push off with left or right leg

I'm about to teach my daughter how to use clipless pedals and got wondering if there were any advantages of pushing off from a start with the left leg or right leg. Is there any difference? To add a ...
0
votes
4answers
69 views

Cyclocross on airplane

I'm planning on flying to Japan for a bicycle vacation early this spring. Having had a look at flight bags, I'm puzzled. They are expensive, weigh tons and are huge, I couldn't feasibly bring them ...
4
votes
4answers
241 views

Replacing 14“ x 1.95” With 14“ x 2.125”?

I have a super quick question here, my daughter (she's 5 years old) rides her bicycle extensively, to the point of the actual tire has worn clear through. I didn't think it would be this difficult, ...
2
votes
1answer
63 views

Will slightly loose bearings result in damage?

I just overhauled some cheap bmx hubs. I installed new bearings and cones. Now I'm trying to get the hubs adjusted so that the bearings will last as long as possible. I had always thought that ...
1
vote
1answer
57 views

Install hub dynamo on new cyclocross

I'm buying a Cannondale CAADX 105 Disc and I'm planning on installing a hub dynamo, perhaps an SP PD-8. 1.) I haven't done this before, but judging by what I have seen on YouTube: Get the new spoke ...
1
vote
0answers
70 views

How to build a Camping trailer, and riding across country with it

I'm trying to build a camping trailer for my vintage Schwin Le Tour. I want to ride my bike across country and camp in this the whole way. I was wondering if anyone has done this before, and if anyone ...
0
votes
0answers
73 views

Replacing chain without chain rivet tool

Are there any tricks to get out the bolt of a chain without a chain rivet extractor? like with tools found in a common household?
0
votes
1answer
37 views

Did i buy the wrong derailleur? (mech hanger/direct to frame)

I'm a total newbie with bike repair and I can't figure out this hanger/direct to frame business. Googling doesn't help much. Here is a picture of the current derailleur and the new one I bought. The ...
0
votes
2answers
62 views

Do single speed/fixed bicycles come with machined rims?

I recently purchased a Masi Fixie Riser with a flip/flop hub (gearing on both sides) and brakes, but the rims aren't machined. Is this common on $700+ single speeds?
2
votes
1answer
76 views

What are the advantages/disadvantages of press fit bottom brackets compared with threaded?

Many standards for bottom brackets have been gaining popularity recently such as BB30 and PF30. What are the benefits of these press fit systems over the threaded system that has prevailed for ...
1
vote
2answers
58 views

Singlespeed chainline adjustment

I have replaced the freewheel on my bicycle with a singlespeed. However, the chain line appears to move inwards from the rear to the front. picture I have measured the rear frame spacing as approx. ...
2
votes
3answers
66 views

I keep breaking the tips off my presta tube stems

I can't pinpoint what I'm doing wrong while inflating my tubes. I use presta valves and have a "Joe Blow" Topeak pump. I put the tube stem at 12 o'clock, I unscrew the tip of the tube stem (but not ...
0
votes
0answers
67 views

Why some companies stop supplying frames to pro teams?

Nowadays TIME hardly sponsors professional cycling teams at least with their frames, and I feel others like LOOK, De Rosa or Cervélo are also leaning away from it. Why it happens? Do they think their ...
2
votes
1answer
204 views

What's the logic behind this chain length estimation method?

I know of several methods of sizing a chain for a bike: As many links as the previous chain. Small-small. The RD should be barely expanded, the chain nearly rubbing against itself roller-cogs. The ...
1
vote
2answers
135 views

Puddle of oil when left up side down

The other day I left my mountain bike upside down overnight as I was changing a tyre. The next morning i had a puddle of what seem to be oil next to the handle bar. Does anyone have an idea where is ...
0
votes
1answer
64 views

Will slightly slimmer seatpost make a difference?

I have an old Peugout bike that needs a 23.8 (to the best of my measuring abilities) seat post. I can't find such a seatpost in all the obvious shopping places, but I did find a 23.4mm one. I'm just ...
1
vote
0answers
41 views

Is there a 3rd party tool to create a heat map of all activities in a specific area? [closed]

I'm familiar with Jonathan O'Keeffe's Strava Multiple Ride Mapper (tied to the Strava API) but I'm interested in mapping all activities in a certain geopgraphy, not just those I've done. My goal is ...
2
votes
1answer
82 views

Bike chain too long?

Recently, my road bike's chain got cut, so i took it for replacement. A new chain was inserted and the shifting had a good transition. However, when i shift on the harder gears, i hear "crack crack ...
0
votes
2answers
57 views

Difference between 3 campy 80mm deep section wheels

Currently, three 80mm wheels are listed in Campagnolo's websites, but I can't fully see what's exactly the difference between them. BORA ULTRA 80 BULLET ULTRA 80MM BULLET 80MM I guess BULLET 80MM ...
1
vote
2answers
91 views

Tire upgrade from 22“ to 26”

I am looking at purchasing a used Specialized Rockhopper with an XL frame. Everything is exactly what I'm looking for on this bike with one exception...the tire size. It currently has 22" tires/rims ...
3
votes
2answers
223 views

Should I replace both wheels/rims if I convert the front to a dynamo hub?

The title mostly says it all. Is there a reason to or a reason not to replace the back wheel or rim if I replace the front wheel to get a dynamo hub? The only reason would be aesthetics, to keep the ...
4
votes
6answers
150 views

Bicycling 36 km per day in city traffic is feasible?

I am planning (still in planning phase since last 1 month :( ) to use bicycle as my commute to and from office. My office is around 18 km away from my home. Almost half the road will be full of ...
0
votes
1answer
111 views

Giant Overdrive 2 fork replacement

I have a 2014 Giant Trance with an Overdrive 2 tapered steerer (1-1/2 - 1-1/4). As we know, the standard tapered steerer is 1-1/2 - 1-1/8 inch. I want to replace my OEM fork (Fox 32 Float Evolution ...
0
votes
1answer
100 views

Alternatives to ordinary fenders

I ride a fixie and fenders just don't look good on it. Rear fender is ok, but there is no way I'm installing such a monstrosity on the front wheel. Are there any alternative out there that don't make ...
1
vote
4answers
74 views

Chain link jams after reassembling the rivet [duplicate]

I bought a chain riveting tool. Here is how it looks like: It works fine, I was able to push the rivet out of a test chain. But faced an unexpected difficulty: after I restore the rivet to it's ...
1
vote
3answers
223 views

Is there a cheap touring bike that is as light as a road bike

I want a touring bike that is as light as a road bike - basically I want a road bike with a touring bike geometry - ie around 10 or 11Kg, excluding pannier racks, and other add-ons. My price range ...
6
votes
6answers
400 views

How to avoid running over animals whilst cycling on a canal at night?

I commute on a towpath in Hertfordshire, England and there is ample amount of wildlife about. During the day it's fine, I can see ducks, squirrels and rabbits in time and slow down if I need to. ...
2
votes
1answer
98 views

Does riding bicycles reduce sperm count? [duplicate]

I have heard this many times before. Is there scientific evidence for this fact? Or have any of you come across this in your lives?
1
vote
2answers
118 views

Replaced chain, bike makes grinding noise?

Recently, I started going to a community bike shop to learn how to maintain and service my own bike. Ever since I changed the old, worn-out chain to a new chain with a master link, I've been ...
0
votes
1answer
48 views

Problems with Edge 510 Cadence/Speed Sensor

I have been looking online for a while on how to fix a bug with my Garmin Edge 510 Cadence/Speed sensor but no luck, and now I'm indoors training it's more important that it works (so I can get ...
0
votes
0answers
17 views

Cygolite Expilion Battery Replacement

Did anyone take apart the replaceable battery of the Expilion headlight? I assume it contains a 18650 like battery, but some have a protection circuit built in and some not. Any knowledge about the ...

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