3
votes
4answers
4k views

what is the most secure bicycle combination lock?

Which bicycle lock that is a combination lock (with a code instead of keys) is the most secure device available on the market? Of course everything can be broken, and its only a matter of time, but ...
4
votes
9answers
17k views

How to find a mountain bike that can handle a heavier (250-260lbs) rider?

I am a 44 year old man that is very heavy (250–260lbs(113-118kg)) and I am looking to buy my first mountain bike to do some riding on the weekend to burn off some of this fat I have.
3
votes
2answers
394 views

How do you protect the underside of your brooks leather saddle?

I'm new to leather saddles and I'm working on breaking mine in. I'm using a Brooks B17 Narrow. I use clip on fenders with my bike when the weather is bad. However, sometimes I get caught in the rain, ...
6
votes
3answers
1k views

Setting up a bicycle for someone with restricted knee articulation

My father, now in his 70's, had a left knee replacement several years ago. He has limited movement in that knee - probably about 85 degrees on a good day. His knee can extend fully, but cannot bend as ...
3
votes
3answers
2k views

Can I lace my hub with all inward or outward facing spoke heads?

It seems conventional wisdom says to alternate inward vs outward spoke heads going around the flange when lacing a wheel, like this: However, I'm wondering what the reason for this is, and if it ...
4
votes
4answers
4k views

Why such a dramatic drop in power when the handlebars are lower than the seat?

I have done long rides with the bar 10+ cm below the saddle without getting a sore back, or anything. Thing is, when I do, my average speed is 2 - 4 km/h SLOWER than when I have the bar higher up. ...
1
vote
3answers
918 views

Efficient gear shifting

I've recent purchased a road bike bit of a classic with the downtube shifters, lugged steel frame etc etc. Before I mainly road my fixie, thou I do have another geared bike, but it left a bit to ...
0
votes
1answer
256 views

How to Get Starter Pins

I'm not sure if 'starter pin' is the correct terminology. When you buy a new chain, that doesn't have a master link, you get a longer pin that allows you to put the chain together. Then you simply ...
2
votes
1answer
1k views

How to choose bar-end shifters for a given groupset?

I'm doing a few triathlons this summer, and I'm getting an aerobar for my bike. I'd like to be able to shift while in the aero position. I've currently got ordinary road bike bars. On these bars ...
7
votes
2answers
364 views

How much does an impact reduce helmet's ability to protect?

I read the answers to "When or how often should I replace my bike helmet?", but unfortunately none of the answers there cites any references. Have there been any studies quantifying the claim of ...
6
votes
3answers
8k views

What is the best treatment (not prevention) of saddle sores

What is the best way to treat saddle sores? Loose clothes, Gold Bond medicated powder, or Moisturizer? What seems to help reduce the painful symptoms of saddles sores once you already have them? ...
0
votes
1answer
237 views

Is it possible to fit this Tioga Mc Groove saddle on my bicycle?

See images here. The bar the new Tioga saddle is mounted on is a bit thicker than the one the original (terrible) saddle is mounted on and won't fit as is. I can take the old saddle off its bar ...
3
votes
2answers
5k views

Which lubricant/grease to use for ball bearings?

A little mishap happened today during cleaning my bicycle. I tried to take off the sprocket wheel for easier access, but instead I opened the lock nut of the hub (cassette type) and the balls came ...
5
votes
2answers
2k views

Why do I do the “saddle shuffle” when riding?

I was browsing some time trial videos on YouTube and came across a video on saddle shuffling, and I've been noticing that I do the same saddle shuffle a lot when riding hard. Did not really know it ...
40
votes
8answers
5k views

Why is it safer to bike with traffic, instead of facing oncoming cars?

There has been an ongoing debate in my area's local newspaper, regarding biking with vs. against the flow of traffic. A recent incident in which a cyclist was hit from behind, and later died of his ...
0
votes
1answer
459 views

Replacing the fulcrum lever of a Sturmey-Archer hub with something else.

I'm trying to find a way to bodge a S.-A. SRF5(W) hub onto a bike with difficult dropouts. There are two main problems (looking at step 6 of this diagram and also at these part pictures p.15,41 will ...
0
votes
1answer
303 views

Clicking gears on new Electra Townie 8i

I asked a similar question related to slipping gears here: Slipping gears on new Electra Townie 8i but now I no longer get slipping, but clicking noise when the pedals are rotated either forward ...
0
votes
1answer
182 views

Sturmey Archer SRF5W lateral axle adjustment

I have some irritating Long-Shen rear dropouts (deep semi-circular lips around the outside) which are causing problems with fitting a Sturmey-Archer SRF5W internally geared hub. I would like to shift ...
5
votes
3answers
1k views

What does a cyclocomputer actually measure for calculating the speed of the bike?

What does a cyclocomputer actually measure for calculating the speed of the bike? Is it the time for one revolution $T$ or is it the number of revolutions $n$ per given time $t_0$? If the radius of ...
1
vote
3answers
500 views

Exact dimensions for Wheelsmith Rim Rods?

Does anyone have access to the Wheelsmith Rim Rod ERD measurement tool? I need to reproduce this no longer manufactured tool. Specifically, I need the length of the yellow portion of each rod, the ...
2
votes
2answers
864 views

Oil/Anti-seize on outside of nipple when building a wheel?

I just took apart my old wheelset which let some delightful snaps out as I loosened the nipples that were seized to the rims. I'm wondering what the benefits would be of a small amount of anti-seize ...
1
vote
2answers
407 views

SRAM force rear shifts go in the wrong direction when on largest cassette

I got a new bike about 6 months ago with SRAM Force on it. It's my first time riding SRAM and I love it except for one thing: If I'm climbing and my RD is shifted all the way up ( to 28-tooth ) and ...
1
vote
3answers
423 views

Cycling gloves sizes

I am willing to buy some cycling gloves from an online store, but can't seem to find any details about the sizes. They range from S to XXL, but how do I know which best fits my hands? If it helps, I ...
3
votes
2answers
2k views

Bike Setup: Correlation between seatpost offset and stem length?

Say the current setup uses a zero offset seatpost, and a 100mm stem. If the seatpost were replaced another seatpost that has a 20mm offset, should offset be subtracted from the stem length? My ...
1
vote
1answer
512 views

How to choose a set of tyres

I have been riding my hard tail on the road for the last 3 years on some knobbly 26 x 2.1 tyres. After just starting a new job and with the need to commute further I am considering purchasing some ...
0
votes
5answers
5k views

What bike computer (speedometer) to get for mounting on the rear wheel?

I'm looking to get a bike computer, primarily for the speedometer function. I use my bike on a trainer most of the time, and I'd like to get "speed" from that, so the sensor needs to be on the rear ...
7
votes
2answers
2k views

Why offset the rear rim to the hub and not the hub in the frame?

I'm currently reading The Bicycle Wheel by Jobst Brandt, and I'm reading all of the issues with offsetting the rear rim toward the drive side of the hub... Asymmetry in a rear wheel built for a ...
4
votes
2answers
2k views

Using Anti Seize in place of Grease

I bought Nickel Anti-Seize to prevent any corrosion issues between metals, and I generally like using it on my vehicles on bolts and anything I plan on removing later. I'm wondering where it would be ...
8
votes
1answer
5k views

Chain slipping off derailleur jockey (need suggestions ASAP)

Last week, I had to abandon a training ride due to my chain slipping off my rear derailleur jockey. This would only happen when shifting, and most often when either shifting chainrings or shifting ...
2
votes
2answers
534 views

Converting downstem shifters to barcons

What considerations should be made for converting a downstem shifting system to barcons? Both the current system and the system that I would like are friction shifters. The bike is a 1986 Peugeot ...
2
votes
2answers
250 views

Wheel Build Questions for Those who have done it

To the experienced builders. What are the absolutely neccessary tools to build a reliable trued wheel? The wheel will be a 700c wheel for a standard road bike.
0
votes
2answers
2k views

Can I use an “8 speed compatible” crank such as Shimano FC-2303 with a 7 speed Shimano MF-HG37 freewheel?

I have a 2004 Giant Cypress I use for commuting, and the entire drivetrain is very worn out (shark teeth and chipped teeth, front and back). I need to replace the Shimano MF-TZ20 7-speed (14-34t) ...
4
votes
3answers
1k views

Bike lock for a Mountain bike with easily removable wheels

I have a Trek 3500 that I need to lock up when I ride city trails, but I have been nervous as both of the wheels are incredibly easy to remove (flip a switch, rotate a lever a few times and they ...
4
votes
3answers
914 views

Why are 10 speed chains so expensive?

I've noticed that 10-speed chains cost 2.5 times as much as their 9 speed counterparts. Is this just because there isn't much demand for these, so the manufacturers can justify the ridiculous expense? ...
1
vote
5answers
1k views

Bike Rack for Hatchback vehicle?

I have a hatchback-style Vehicle (2007 Ford Focus) and a KHS Urban-X Bicycle. Are there any standard styles of mount that work best in this situation? Can you recommend any in particular or point me ...
1
vote
1answer
92 views

Can I use this chainlink?

I bought this SRAM PC1091 chain for my compact chainset and have been running it since January. In order for the chain to fit properly I cut a few links from it. I am now getting a standard chainset, ...
3
votes
1answer
674 views

Bike Assembly - What all needs lubrication?

I'm in the middle of a frame swap for my road bike. As I'm putting the bike back together, I've been wondering what all needs lubrication? Is there a comprehensive list somewhere that explains what ...
3
votes
4answers
1k views

Is this normal for my new Cannondale Synapse Alloy 6?

I purchased a new Cannondale Synapse Alloy 6 in early March. I have roughly 250 miles on it. After the first 100 miles I took it back to my LBS to have it adjusted and tightened up. Before I did this, ...
2
votes
2answers
262 views

Gash where valve meets tire tube; How could this happen, and can I fix it?

I'm fairly new to bicycling; apologies if this is a standard question but I couldn't figure out how to phrase it to search for it elsewhere. I ride a KHS Urban-X with Kenda Kwest tires (just what it ...
15
votes
6answers
777 views

Why participate in an organized century ride when I can ride the route on my own?

I have never ridden a century ride before. This June, a friend and I plan to ride our first: The Montauk Century Ride. But I'm wondering, why should we commit to paying $100+ to ride this route in ...
6
votes
3answers
797 views

How does one ride 'no handed'?

Learning to ride no-handed has been on my new year resolution list year after year after year and I still haven't done it. I'm 46 so I need to be careful about falling off. Do people have fool-proof ...
4
votes
4answers
1k views

LBS said creaking under torque is normal?

on my last question i asked about a creaking/tick i was getting when i was stand pedalling on a climb. I took it to my LBS today and they said they had stripped all the crank and bb and re greased it ...
5
votes
4answers
460 views

Are there any things to avoid when being given a free bike?

Someone has just given me a free mountain bike (No obvious branding on it, but its got a 21-speed Shimano gear system and a shock absorber between the front and back of the bike in the middle of the ...
3
votes
2answers
4k views

Can you use a 8 speed Shimano shifter with a 7 speed cassette?

Want to use a 8 speed shifter on a 7 speed cassette. I saw this question, but I am unsure if this would work, since I believe the spacing is the same between a 7 and 8 speed, the length is just not.
2
votes
2answers
653 views

how do i clean rust flecks off an alloy wheel

I have just bought a second-hand mountain bike and the rear wheel is made of alloy and has small rust flecks/spots on it. Any advice on how to clean? I cleaned the rust off the forks with a small wire ...
3
votes
3answers
693 views

Speed and Cadence Bike Sensor Opinions

I'm looking to start tracking my speed and cadence for my iOS app, Cycle Meter. The app works great for distance, time, but is not accurate at all for measuring my speed. So I'm thinking of buying ...
-2
votes
1answer
3k views

What do you think about the B-Twin bicycles? Is it better to buy a new B-Twin or an used bike by a more famous brand? [closed]

I was in a sports store the other day I've felt in love with this bike http://www.btwincycle.com/EN/rockrider-5-1-c1-2011-170478654/ What do you guys think? I'm gonna ride it mostly in the city, and I ...
3
votes
8answers
2k views

Unconventional, pretty bicycle helmets

My wife and do a lot of urban riding - mostly on bike lanes - and usually we don't wear a helmet for these rides. But I'd like us to start, and I'd like to get her a nice helmet, one that doesn't look ...
2
votes
1answer
845 views

Swap Bottom Bracket bearings or replace entire bottom bracket?

I've recently acquired a 2007 Specialized Allez. As I was dismantling the bike for service, I discovered that the bottom bracket bearings are in rough shape. They aren't smooth at all. I took apart ...
3
votes
3answers
383 views

Wheel set consideration

Background: I'm overhauling/refurbishing my second road bike that I use mainly for training. It needs new wheels. I found a couple of nice used 2011 wheelsets that were spares for a women's bike team ...

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