All Questions

6
votes
0answers
598 views

Trading out folding bike seat post

I currently have an older Dahon Mariner with a Telescope seat post. The third wheel that functions as the "third leg" (when the bike is folded) has broken off. To compensate, could I switch out the ...
4
votes
0answers
241 views

Usage experience with anti-theft GPS trackers

Does anybody have any actual experience with anti-theft GPS trackers like BikeSpy? Their website looks terribly unprofessional and there are only very few testimonies online, but the idea is ...
4
votes
0answers
409 views

Pressure gauge on my pump stuck at one value, what is wrong?

I have a Specialized Switch Hitter I have used for several years on both Presta and Schrader valves. Recently, my wife tried to inflate her tubes (Schrader valve) and could not get the pump to ...
3
votes
0answers
137 views

Claud Butler Tandem - transmission issues

I'm in the process of stripping a SWB Claud Butler tandem so I can get it repainted. There are a couple of things I need help with.... a) Can you fit a front mech to the bike, and if so, are there ...
2
votes
0answers
34 views

Is it possible to serivce Specialized Brain suspension systems at home?

I like to do all my own work on my bike, and with other forks and shocks I've had, I've been able to find the necessary service manuals and specialty tools to overhaul the systems myself at the end of ...
2
votes
0answers
85 views

Making my children's bike trailer more comfortable

I'd like to know what I can do to increase the comfort and enjoyment of my two toddlers while riding in the bike trailer, typically for short to medium distances (3-4 miles most often, around a half ...
2
votes
0answers
95 views

sram grip shifter to be fox CTD shock remote lever

the FOX shock CTD remote is a nice shock, but the remote is bulky, even the new 2014 version, still uneasy to change between CTD. I come across this article ...
2
votes
0answers
104 views

Can I use a 6mm threaded bolt instead of a bleed valve for hydraulic brakes?

I've accidentally lost the bleed valve in a front-brake "bleed gone wrong" afternoon and was wondering whether there's anything detrimental in just using a 6mm bolt instead for the time being?
2
votes
0answers
65 views

My BionX system won't work in assistance mode, and makes a weird noise

I've had to remove and reinstall my rear wheel because of a flat, and now the BionX system has stopped working correctly. When I turn it on, it works fine, and the regenerative breaking works fine. A ...
2
votes
0answers
60 views

SPD PD-M520 Pedals, replacing the Body Cover

I have taken the body cover off my Shimano PD-M520 pedals and am unable to get it back on due to a little nodule having to be behind the bit of metal where the tightness ajustment is. That part is ...
2
votes
0answers
127 views

Chain drops in smallest gear under load

I'm baffled. I installed a new chain, cassette, cables and housing yesterday. On the stand, all is happy and shifting is silky smooth. On the road all seems happy except on the bigger cogs in back (in ...
2
votes
0answers
179 views

remove “wrench force” floor bike pump from the schrader valve

It is embarrassing for me to say the number of tubes I have destroyed removing the chuck. Are there techniques or adapters I am missing? Or do I have a defective chuck?
2
votes
0answers
173 views

Change the angle of the arc of downtube / stem shifter lever to make it an alternative thumb shifter?

I want to mount the following SunRace clamp-on shifter set horizontally as a "thumb" shifter on a straight MTB handlebar (22.2mm). I will remove the left lever and only use the right with the clamp. ...
2
votes
0answers
225 views

My left STI shifter has 5 positions for a double crankset?

I'm in the process of installing my Shimano Tiagra left shifter for the front derailleur on my double crank and I'm a bit confused, the indicator shows it has 5 positions for a crank with only 2 ...
1
vote
0answers
130 views

Chain vs chainless options

Could someone provide a comparison between having a bike with a chain, with a shaft drive and with a belt drive like the Gates Carbon Drive? It could be good to know who fares better in terms of low ...
1
vote
0answers
55 views

Schwinn Vestige no longer lights up

I have the Schwinn Vestige and a very long, bumpy, dirt/gravel driveway. A few weeks ago, we rode downtown and the frame lit up amazing, as it should. On the way home, it was not lit up. Hmm. After a ...
1
vote
0answers
59 views

Stuck and stiff sora front derailleur

I have a used 2011 trek 1.2 compact road bike with a stiff Sora FD-3400 double front derailleur. Shifter seems very stiff, and when I shift above the second index (trim or third) by accident it gets ...
1
vote
0answers
93 views

Vintage 70's Bike info?

I was given a vintage touring bike recently. It's steer tube badge says D-114 made in Japan. I can't find any info on it and was hoping someone may have some info on the brand or bike.
1
vote
0answers
117 views

Hub rebuild - cone dust cap conflict, hub integrated vs pressed on cone?

I had to rebuilt the rear Joytech hub on my 2008(ish) Schwinn High Timber after I broke the axle: My hubs have a integrated dust cover which consists of a rubber diaphragm that is pressed into the ...
1
vote
0answers
70 views

Lowrider style bent forks techniques

Would a 24 inch bent fork fit on a 20 inch frame? Is there even a 24 inch fork? Would a 26 inch fit? Also if it doesn't fit in could I just add to the 20 inch - would you be able to extend it making ...
1
vote
0answers
78 views

How can I fix my rear derailleur's B-tension adjustment?

I've noticed that my rear derailleur (Ultegra 6700) will not return to where I've set the B-tension adjustment. Pulling it away from the hanger means it will just stick there, or maybe move back a ...
1
vote
0answers
101 views

Mystery item broken on old Dawes. Help!

I was adjusting rear brakes last night and this little thing snapped in half (see image [right]). The linear indent holds my brake cable in place and a 5mm bolt holds this in place. I guess I need to ...
1
vote
0answers
45 views

Sprinter Universal Bike

A friend has given to me a bike called the marking say " Sprinter universal " which looks pretty old. Can anyone give me any information on it please ?
1
vote
0answers
113 views

Serial numbers on bottom of a pedal crank housing from a 50s era Schwinn?

Can someone please explain what these three numbers mean on the pedal crank housing? I believe this to be the pedal crank housing from a 1956 Spitfire Ladies Bike. The Schwinn Serial reads M0D502 ...
1
vote
0answers
156 views

Can anyone help me identify this bike?

Frame number (bottom bracket) MC9008 1987 Cruiser style,26" rims
1
vote
0answers
104 views

Shift lever and boss (mount point) compatibility matrix

I've looked online, but haven't found one. Is there any sort of "matrix" available that puts shift lever boss type on one axis and shift lever on the other, and remarks on each pair's compatibility? ...
1
vote
0answers
101 views

What's the inner width of my rim?

I just measured the inner width of my rim with a ruler and it seemed to be a hair over 14mm. Looking at the tire sizing chart on Sheldon Brown's site it doesn't have an entry for 14mm inner width ...
1
vote
0answers
50 views

Can I use an old cog for my new hub?

I have an old wheelset with a 16T cog. It's currently a 120mm flipflop hub, and I'm going to be replacing it with a 120mm coaster. The coaster hub that I want doesn't come with a 16T cog (only 14, 15 ...
1
vote
0answers
107 views

Interrupter (cross) brake lever cable guide wedges?

Interrupter brakes require the brake cable to angle away from the bar to meet the lever at the proper point as shown in the picture below. You can see the handlebar tape doesn't carry on closer to the ...
1
vote
0answers
203 views

Low gearing setup for road bike with Shimano dual control

Question: What is my best bet for a crankset, given the following requirements for a road bike I am setting up: 68mm "English" thread bottom bracket Shimano STI "brifters", 2x10 (I already have ...
1
vote
0answers
107 views

Play in Jockey wheels Sram X7 rear derailleur

I have an SRAM x7 rear derailleur only been using it a few months (through the rain) and the jockey wheels seem in a bad way. There's a lot of side to side play in them and the teeth look sharp when i ...
1
vote
0answers
114 views

Sliding chain back on hub gear bikes

I got a folding bike 2 months ago and got my first hiccup. It has a 3-speed hub gear and while changing gears today, it seems like the chain slipped off the smaller chainring near the back wheel into ...
1
vote
0answers
757 views

Use of Shimano long-reach calipers with “New Super SLR” brake levers/shifters

So my bike has Shimano Tiagra ST-4600/4603 brifters (it's a triple) but is fitted with long-drop BR-R451 calipers. In theory, these should be incompatible because of the change in cable pull ratio, ...
1
vote
0answers
123 views

Can I put standard drop brakes on a MASI drop handlebar?

I've got a set of handlebars from a MASI Uno. I'd like to know if I can put standard drop bar brakes, similar to these (ignore the interrupter brakes and bar end shifter for now). The MASI bars ...
1
vote
0answers
166 views

Can I swap Semi-Metallic brake pads for Sintered Metal Brake Pads?

I'm running disc brakes on my cyclocross bike with semi-metallic brake pads. I find that I'm constantly having to keep my rotors cleaned off to ensure optimal performance. I'm used to my mountain ...
1
vote
0answers
133 views

What to upgrade on a Raleigh MV7? 20"

I am undecided to upgrade the BB and crank or change a wheelset. Any advice on what might help me spend less effort pedaling? I actually find a steel 26" MTB easier to pedal.
1
vote
0answers
192 views

Does Nirve make a good bike?

I'm interested in small women's city bike and a 3-speed 2010 Nirve Wilshire just came up for sale, used. I've never heard of this company and the interwebs are producing little info. I searched for ...
0
votes
0answers
2 views

Should I restore my old mt-bike for winter commuting (and for wife to ride with me) or throw it away?

this is my first post here and I will try to be as brief as I can. One year ago I moved to Boston and my father-in-law gave me his old Specialized mountain bike. He is a road bike guy so this bike ...
0
votes
0answers
6 views

Is there any use to motor pacing for people in the cat 4 to cat 2 range actually useful?

In the local cycling club some people are keen on racing but are no higher than cat 3 in the events that they can enter and the power that they produce. The general consensus is that motor pacing ...
0
votes
0answers
14 views

What are the practical limitations of a road bike compared to a mountain bike?

I grew up on a big box store mountain bike. I want to get a road bike for my commute, but I'm curious about the limitations I'll experience. I know the benefits of a road bike: lighter weight, less ...
0
votes
0answers
36 views

Does anyone know what kind of bike this is?

I found this bicycle a while back and have been planning on either fixing it up (if it's worth it) or selling it. All I have, really, is the frame. I haven't been able to find out exactly what it is ...
0
votes
0answers
44 views

My bike won't shift out of 7th gear in the back

My bike is stuck in 7th gear. The front three gears shift fine, but the back does not. It shifts fine when no one is on it, but as soon as you put weight on it, it no longer will shift.
0
votes
0answers
35 views

2015 Time Collection

I'm a usa cycling road racer and I recently won a Time ZXRS frame in a team raffle. I'm very excited, and I know this makes me sound really spoiled, but every time I've looked on the Time website I ...
0
votes
0answers
28 views

Lark golden eagle

I have an old bike. I'm wondering the value. Can't find any info about it. The nameplate says Lark. The chainguard says golden eagle. It has a spring front suspension like I've never seen before. Ever ...
0
votes
0answers
76 views

Is bike fit really needed?

I'm having neck pains and muscle cramps when I go for long rides (> 90kms) . I don't know if the reason is due to big kms or is it the fit of the bike. I live in India where a bike fit costs 12000 ...
0
votes
0answers
30 views

Rebuilding Easton Haven Carbon Wheels

Had a rough off and many spokes in front and rear wheel are broken or badly damaged, so I'm just going to do a full spoke replacement. Does anyone either have a set of Easton Haven Carbon 26" that ...
0
votes
0answers
30 views

Garmin 510 lost data

I rode the Georgia 3 gap bike ride yesterday. For me almost a lifetime accomplishment. I used a Garmin 510 and when it reached 22% I plugged in an external charger. The screen continued to indicate ...
0
votes
0answers
65 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 ...
0
votes
0answers
58 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
0answers
58 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 ...

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