All Questions

1
vote
1answer
13 views

Why am I not seeing improvement in my bike split time?

My training went up significantly between half-iron events. There was improvement in the swim and run. But no improvement in the bike... In fact I could say I did worse because there was little ...
1
vote
1answer
28 views

Is running 46t front chain ring with an 11t on the back such a huge disadvantage for flat cat 4 crits?

To flesh out the question with more (hopefully useful) information: The average speed of this particular local flat criterium race is 47 kph (achievable with a cadence of 90rpm in 46-11) and a peak ...
8
votes
3answers
254 views

How to build surge brakes on bike trailer?

There are a couple of pretty good answers How to make a cargo trailer? after looking at them, the answer at What are the safety concerns of a high vs a low mount trailer hitch? doing some other ...
1
vote
1answer
112 views

Can you use an Alfine 8-speed “disc” hub with a non-disc wheel?

I have a city bike with a Nexus 8-speed and I'd like to rebuild the rear wheel with an Alfine 8-speed. The only hubs I can find all seem to be disc mount hubs. My city bike has v-brakes. Is it ok to ...
2
votes
3answers
82 views

Inflating airspring fork with Topeak products

Today in receipt of a Topeak "Pressure-Rite Schrader Valve Adapter" to inflate my airspring fork, thinking it would work perfectly with my Topeak "JoeBlow Pro" floor pump. It doesn't work very well, ...
1
vote
3answers
116 views

What could cause the bicycle chain to break?

I'm on an old Muji 3-speed commuter bicycle which uses an internal Shimano gear hub, and I recently (3 months ago) got my bike chain changed by my LBS. For about 2 weeks I felt the chain would ...
2
votes
2answers
62 views

Saddles and Bent Metal Rails

Has anyone else had issues with bent (slow deformation over time) metal rails on the saddles they have used? I previously had three or four saddles that all ended up tilted over to one side and ...
5
votes
3answers
653 views

Do “trailer bikes” help kids learn to ride a bike on their own?

I'm considering getting a trailer bike for my 3 year old (image below) but want to know if it will help or hurt progression toward him riding independently. He's amazingly fast on his Strider ...
0
votes
0answers
93 views

What brand is this vintage bicycle?

![it says 'T' and under it ''Made in Austria'' in English language, which i find strange1 Hello, I want to identify this bicycle, i couldn't find online any manufacturer from Austria called ...
2
votes
1answer
54 views

Bottom bracket bearings grinding only when installed into frame

I recently purchased a new carbon frame direct from a Chinese manufacturer (link to the particular frame here). The frame has BB86 bottom bracket. I am using the SRAM Press Fit GXP BB86 Bottom ...
1
vote
2answers
141 views

How long should brake pads last? [duplicate]

My son is new to comuting by bicycle. He brought a brand new bike and after just one week was having problems with the brakes. He only rides approximately 6–8 miles a day. Halfords advised that his ...
0
votes
1answer
49 views

disc brakes on leader doberman which has no tabs and adaptors

hi i have an leader doberman with front disc brake i want to install and a rear. I know that it hasnt rear disc brake tab but i have found an adaptor for the ...
2
votes
2answers
187 views

What type of terrain makes an MTB mandatory?

I'm somewhat new to biking, and I've been commuting to work on my new touring/hybrid bike for a few months now (it's a 2014 Novara Safari). I am very interested in doing some actual self-supported ...
2
votes
3answers
240 views

Does a high MTB seat post risk frame breaking

On a full suspension MTB, does a high seat post (extending from frame by 25cm, 10" or more) contribute to frame weakness, should one look to have a bike with a tall seat tube, or are MTB's designed ...
0
votes
1answer
49 views

New Shimano m615 rear caliper fails and stops biting the rotor after 30 seconds of xtreme downhill

Never had this problem with my hayes stroker trail, only seems to start working after i stop for a minute or two. I am riding 30% grades so alot of force for the short time period, then brake softens ...
0
votes
1answer
56 views

Right crank (Drive side) on the left?

So, I wonder what happen if I replace my left crank with another right crank (either Square tapered or ISIS splined wouldn't matter). What is the disadvantages apart from: 1) the pedal thread ...
2
votes
2answers
128 views

Tips for winter maintenance?

A couple years ago I rode through the winter (took last winter off) and am looking to resume. My bike got hammered during the New England winter though, especially the hubs. Other than a regular ...
3
votes
3answers
47 views

Suspension seat post is loose

Is it ok that a suspension seat post like the one shown below (source: cyclande.com) is actually a bit loose (moves a bit left-right and probably also up-down). The vendor told that for such seats ...
0
votes
2answers
82 views

Is an old mtb with replaced gear safe to buy? [duplicate]

I believe this question to be on topic for this site, I want it to be more factual based than opinion, another similar question is this one. If its not feel free to close it. I am looking at buying ...
0
votes
2answers
66 views

What are the strengths, weaknesses and/or recommendations for a BLB Mosquito Saddle?

I ask this here because I couldn't find too much information or reviews about BLB Mosquito saddles. If administrators find this question doesn't fit into this place, please feel free to remove/edit ...
4
votes
6answers
298 views

Why are brake lights not common?

I spent a fair bit of time riding in the lane, in traffic. In this situation, it seems that a brake light would be very useful: It's not always obvious when the vehicle ahead of you is slowing down, ...
2
votes
2answers
127 views

What is this pumping nozzle called?

My local bike shop have one of these green nozzles that anyone can use to pump their bike. They say that only companies can buy those, but I would really like such for my blue compressor. What I like ...
2
votes
2answers
94 views

Who else makes H-bar Loop Handlebars?

Jones makes a great pair of touring handlebars with a loop for mounting lots of accessories, but their prices are a bit steep ($120-$425). I'm building a mountain touring bike and I've been trying to ...
0
votes
0answers
25 views

Which decals on a 1948 Rudge?

I am renovating a 1948 Rudge. Does anyone know whether it should have Rudge or Rudge Whitworth decals?
0
votes
3answers
53 views

Cyclocross touring, studs for SPD shoes?

I just bought my first bicycle shoes (Specialized, SPD) and got four mountable studs. I'm planning on touring for about a month. Mostly on roads, perhaps occasionally on dirt tracks and larger trails. ...
1
vote
2answers
79 views

Medium size cargo solution for road-bike for commuting

Currently I use a touring bike with rear rack and a single panier on my 15km commute. In my panier I carry a full set of clothes including shoes, a small coat and a towel. I want to start using my ...
0
votes
2answers
59 views

Adding Brake Caliper Cable Tension SRAM Rival

I have come across a really annoying issue that I just can't seem to put a finger on, and it is causing nothing but heart ache and frustration. I was checking to see how much wear I had on my brake ...
0
votes
0answers
33 views

Campagnolo drivetrain compatibility and noise

My bike has 2009 Campagnolo Veloce 10 speed drivetrain. I recently changed the cassette (still Veloce 10 speed) and chain (campagnolo Record 10 speed). I assumed the fact that the chain was in the ...
1
vote
3answers
135 views

My back wheel isn't connected to the gears

I have an old bike it says Via Montega on the body if that helps. I was ridding it earlier when the peddling stopped resulting in forward motion. I thought the chain might have come loose but it is ...
0
votes
1answer
20 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
323 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
107 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
70 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
101 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
65 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
110 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
368 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
122 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
39 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
115 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
595 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
37 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
67 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
47 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
232 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
68 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 ...

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