4
votes
2answers
91 views

Have rollerbrakes a longer stopping distance than drum brakes?

In my experience rollerbrakes are very weak comparing with drum brakes. Is it normal that they have a much larger stopping distance than other brakes or is it just my own bicycle?
13
votes
4answers
5k views

Why is buying a bike as a whole cheaper than buying separate parts and building it?

At least in Indonesia it is. Know why?
7
votes
1answer
444 views

What does triple-hollow construction mean?

I've got a set of Sun Rhynolyte rims and in the features it says they have a triple-hollow construction. What does that mean?
6
votes
1answer
62 views

What does welded and machined mean?

I've got some Sun Rhynolyte rims and one of the features is being welded and machined. What does it mean when said in relation to a rim?
3
votes
0answers
59 views

Shimano STePS Di2 Shifting with Alfine 11 - will it be ever automatic?

The Shimano STePS with Di2 and Alfine 8 received a firmware update this year, which enabled automatic shifting (it was not automatic before). Does anybody know if Alfine 11 models will receive any ...
2
votes
1answer
68 views

How to change front gearing

So I have a bicycle that has a single front gear, but many back gears with a derailleur. I am wondering if I change the size of the front gear (like significantly), meaning if I get a bigger front ...
1
vote
0answers
34 views

I had knee surgery on my left knee [closed]

I had knee surgery on my left knee and I am finding it difficult for me to clip into my pedals on my road bike and then pedal due to no enough float. Are there pedals and cleats with more float so my ...
0
votes
2answers
139 views

What is a fixie? [duplicate]

Is it a bicycle with no gear? Is it a bicycle with no free wheel? My bicycle has no gear. I removed that. However, I can rest my food and the bicycle and move forward. Do I own a fixie? If not what?
3
votes
1answer
64 views

Replaced left crank arm but still comes loose?

A few weeks ago I bought a new (albeit cheap) self assembly bike from a local store, this bike to be exact http://tinyurl.com/gw77p9t . After about two weeks use (one and a half hours of cycling on ...
2
votes
2answers
76 views

Smaller front rim on mountain bike

I have a Repco Warrior 29, I recently twisted the front rim doing some stuff I probably shouldn't have been doing at my advanced age. There are no 29 rims available here, but there are 26's. Has ...
-1
votes
2answers
71 views

Scared of damaging bike going up and off curbs [duplicate]

Bike: Giant ATX 27.5 2 (2016) - Hardtail My current strategy to going off curbs is nose diving... I know, the best. My current strategy to going up curbs is barely lifting my front wheel onto the ...
24
votes
2answers
3k views

How should I handle a highway patrolman who stops me occasionally to give incorrect instructions about my riding duties?

I live near a minor Tennessee town and frequently ride the few miles into town and back on state highways. Part of the route (the less busy part, ironically) has a dedicated bike lane, but it's filled ...
3
votes
2answers
66 views

How do I determine bottom bracket size [duplicate]

I got a cheap old bike I fixed up and I want to install a mid drive motor but the ones I found require a specific bottom bracket size and I don't know what size bottom bracket I have. The wheels are ...
0
votes
1answer
23 views

Giant Atx MTB rear wheel quick release not opening

Bike is a Giant Atx 27.5 2016 I have to replace the tube on the back wheel but the quick release lever is too tight and will not pull open, is there a trick to loosen it?
2
votes
1answer
32 views

Front derailleur has too much resistance

I got a mountain bike on the cheap because of this repair. I'm not experienced with bike repair but hoped I could figure it out. The front derailleur, a Shimano STX, isn't shifting and it appears to ...
3
votes
3answers
117 views

What's the proper technique for starting uphill?

I am a beginner cyclist, having not learned how ride a bike as a kid, I've started riding from scratch 3 months ago. Local "bike buddies" have helped a lot. I'd like to ride my bike to work, which is ...
3
votes
2answers
108 views

Kind of a pennyfarthing with the big wheel in back

Can someone give me information about the bicycle. I attached a photo. Thanks.
1
vote
1answer
23 views

Trike with 60+ pounds basket possible?

I noticed that many trikes have a basket in the back but I need something much stronger capable of carrying a golf cart battery which weighs about 60 pounds so is that possible to make a custom one ...
5
votes
1answer
52 views

Towing with a Recumbent Trike, Tadpole or Delta?

I have some experience towing with an upright bike I am considering getting a recumbent trike, as my back side does not last as long as my legs. With an upright bike I automatically move my weight ...
1
vote
2answers
54 views

Can a double rear derailleur work?

I was wondering instead of a long cage rear dearailleur (RD), what would happen if 2 rear short cage RDs were used instead? I realize the 2nd one might cause some mounting issues but assuming there ...
0
votes
1answer
29 views

Promotional Odwalla bike

My son won this bike at work, and never got a chance to use it before moving for a job. He has asked me to sell it but I don't know anything about it or how much it's worth. Any help would be ...
3
votes
3answers
169 views

Can I use 26" electric hub wheels on a vintage road bike?

I got this old road bike that I bought for $20 and fixed up a bit. I'm having to use it for a very long commute in the meantime until I can get other transportation so I was looking at a cheap ...
4
votes
1answer
147 views

Denied warranty claim on carbon bike due to impact?

I saw a little crack on the bottom section top tube of bike which is a kestrel talon. I took it the bike shop to see if it was covered under warranty. I have fallen once or twice from the bike but I ...
4
votes
1answer
110 views

Does cannabis affect cycling performance?

Some of my friends like to smoke (using both traditional methods and vaporizers that produce no "smoke") or eat edibles before rides, they say it makes it more enjoyable. I always wonder if it ...
1
vote
3answers
80 views

What are some oft-cited benefits of electric assist on a mountain bike?

Recently, electric mountain bikes have been hyped quite a lot, and I have seen a lot of them for sale at LBSs and have even seen a few "in action" despite that I never go mountain biking (i.e. I see ...
9
votes
3answers
547 views

Repair service specifically for bike commuters?

I'm not sure if this question is suitable for this site, Startups SE or neither, but here it goes: Is there already any sort of business model catering to bike commuters for expedited repair issues? ...
3
votes
1answer
59 views

what causes a sidewall puncture on a tubeless tyre?

I have a puncture, on the side of my tyre. The tyre was inflated to about 120 psi, and in any case I thought tubeless tyres were immune to snake bites. What's likely to be the problem?
-1
votes
1answer
43 views

Groupset Change

Hi I am new to cycling and thinking to change my groupset Ultegra to either 6870 di2 or Dura ace 9000 can get either for around the same sort of outlay I only cycle for fun and exercise can some one ...
0
votes
2answers
34 views

Putting new grips on handlebars [duplicate]

I have new flat bars and grips. What's the easiest way to slide the grips onto the bars?
1
vote
1answer
56 views

Enquiry on SPD and SPD-SL

I am new to road bikes. My pedals are 2010 shimano 105 - SPD-SL Can spd shoes with spd cleats be used on spd-sl pedals?
3
votes
1answer
85 views

SRAM Guide brake lever won't return

I have an SRAM Guide brake (rear) that after bleeding, the brake lever won't return quickly. At room temperature, this is barely noticeable, but when the temperature climbs, or the bike is in the ...
1
vote
2answers
60 views

Why is there a koozie on this bike's chainstay?

A friend of mine recently purchased a used hardtail mountain bike. As he showed it to me, I noticed that there's what looks like a koozie wrapped around the chainstay, towards the rear axle. The ...
2
votes
1answer
50 views

Quick release lever for wheel is stuck

So I was going to take my wheel off to replace my cassette but last night I gave it my all but could not get the quick release lever to disengaged. I've read to use a pipe for some more leverage but ...
4
votes
4answers
511 views

Is it OK to leave my bicycle unlubricated for a day after a hose-down?

I just cleaned my bike with low pressure water but I don't have any lubricant. I left it to dry in my basement with the window left open. Is there any chance my bike will malfunction or rust before ...
0
votes
1answer
51 views

I need help on Buying a Bicycle [closed]

I want to buy a bicycle for losing weight. I need a single speed one, though my budget is Narrow (like too narrow). Please help me what type of bike should I buy.
0
votes
0answers
22 views

ascent floor pump [duplicate]

I have an ascent floor pump which does well but sometime in the last few years the guage now starts at 20 instead of zero. Is there a way to zero the guage. It seems to read the correct pressure once ...
0
votes
1answer
80 views

Will the price of a bike go down if it doesnt have brakes? [closed]

Im selling my bike that is less than 2 years old from what the previous owner told me and I was gonna sell it for $300 (I paid $350) but I realized that it has no brakes (it came with the brakes ...
1
vote
1answer
24 views

How do I determine my Campy cage size? [duplicate]

I have a Campagnolo Chorus 9-speed rear derailleur. I am trying to determine the largest cassette I can use. The main question I have is how do I determine what size cage I have. It is not a new ...
3
votes
2answers
92 views

Can I put a 10 speed 11-36 cassette on a Road Bike with a 50/39/30 crank?

I have a road bike with a Shimano 10 speed 105 group (2007). It has a triple 50-39-30 crank. I want to put a 11-36 cassette maybe the Shimano Deore XT CS-M771 10-Speed Cassette (Note: I can’t find ...
3
votes
1answer
64 views

Changing cassette, can I change ratios

Not sure if I'm using the right terminology here. Last night I changed the chain on my cheap road bike (2008 Specialized Allez Triple), and then took it for a quick test drive but the chain was ...
1
vote
2answers
120 views

I cleaned my cassette and changed my chain, now my freehub is slipping. What are the possible causes? [duplicate]

I removed my cassette, cleaned it and put a new chain on my mountain bike. All seemed to go well and went back together nicely. However when I took it out for a ride the free hub seems to be slipping ...
0
votes
2answers
107 views

For a very amateur rider, is Specialized or Trek worth it? [closed]

After 15 years of being off a bike--and my waist line showing it--I'm about to buy a new bike and get back in shape. Looking around, Trek and Specialized appear to have good hybrids, which is my ...
2
votes
3answers
100 views

Help with the bicycle gearing

I'm new to road bicycle with gears. I have 3 gears in front and 8 at the back. The principle behind Bicycle gearing is too difficult for me to understand. Please tell me what gears to use When ...
13
votes
2answers
1k views

Plastic ring on new Shimano crankset, toss or keep?

I just got a new Shimano crankset and it has this plastic ring on the "inside" of the small chainring. I'm thinking that this just some packing material. Am I right and can I toss it, or is this a ...
3
votes
1answer
48 views

How to safely remove dried tire sealant from a carbon frame?

I have a carbon mountain bike frame with some good sections of tire sealant stuck on it (Stan's specifically). If there an easy and/or safe method for cleaning unicorn juice off without hurting the ...
0
votes
1answer
23 views

What large chainrings are compatible with Shimano FC6603 crankset?

On my race bike I have a crankset FC6603. I want to replace my outer chain ring (My inner and middle chainrings are OK). But I cannot find an online store where they sell the outer chainring of this ...
4
votes
2answers
202 views

Am I ready for 300km?

I've heard that once you've ridden 200km, the bigger distances are just about proper nutrition and hydration. Is this true? I want to know if I'm ready for a bit hilly 300km, if my current max is ...
4
votes
1answer
28 views

Tourney RD upgrade

I have a Shimano Tourney rear derailleur that has an extension claw (hanger). I would like to replace it with a Deore M591. Do I need to install an adapter to make up the length of the claw? ...
0
votes
1answer
45 views

What is my bottom bracket spindle length?

I have this ubiquitous cheap Wal-Mart bike (http://www.walmart.com/ip/26-Roadmaster-Granite-Peak-Men-s-Bike-Black-Green/45089317z), which has a square taper bottom bracket. I'm trying to buy a new ...
4
votes
4answers
326 views

Is cycling with crystal sunglasses dangerous?

I'm a commuter cyclist. I have a pair of Persol sunglasses with leaded crystal lenses. Do y'all think this is dangerous in case of an accident? I have terrible thoughts of wrecking and glass shards ...

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