11
votes
0answers
1k views

Name that frame! (Likely Japanese, likely made in 1986, with known serial number, likely a Bianchi)

(This post was substanically edited/updated on 5/8/14.) I have a bike frame of unknown lineage. What is known: The serial number under the bottom bracket is IS513786. This fits with the serial ...
6
votes
0answers
521 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
344 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
91 views

Chain falling off inner chain ring no matter how L screw is set

Bike is a relatively new Cannondale Carbon Synapse with the Ultegra 6800 groupset (although front chainrings are FSA). Has about 1000KMs on it. Bike has been great, but I went out on a ride today ...
3
votes
0answers
178 views

Strange logo on the frame

just bought bike, but it seems like the frame is not bianchi, all marks and texts are stickers. also, there is few logos in this frame. does anyone know which frame is this? thanks!
3
votes
0answers
57 views

How To Get Started With Hand Cycling

I sustained a knee injury about a year ago and it's looking like I won't be biking anytime soon. I thought that a good alternative would be to get into hand cycling. I am having a hard time finding ...
3
votes
0answers
114 views

Do Miche bottom brackets require a special tool, or is this one damaged?

I just bought a Miche Primato bottom bracket and tried installing it using Park's BBT-5 (the same tool I used to remove the previous bottom bracket, also Miche, but from 2008). The BBT-5 fit into the ...
3
votes
0answers
182 views

What to do when there's no more adjustment room on disk brakes

I just built up a new frame and discovered that due to slightly different geometry the rear disc callipers can't be adjusted so that they don't rub. Basically I've got them all the way over to one ...
3
votes
0answers
129 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

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
74 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
49 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
42 views

Why does coaster brake hub growl when coasting but not when braking or pedaling?

I have an old two-seater recumbent trike with coaster brakes. One of the rear hubs rumbles terribly when the bike is coasting. When the brake is on, or when pedaling, it doesn't make a noise. I assume ...
2
votes
0answers
44 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
136 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
153 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
198 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 ...
2
votes
0answers
97 views

Bike position - Town bike

I have found a lot of documentation on the internet on how to chose the correct riding position for a mountain bike or a road bike. The thing is that my bike doesn't fit in those classes. My bike is ...
1
vote
0answers
39 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 ...
1
vote
0answers
36 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
58 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
44 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
92 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
44 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
76 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
143 views

Can anyone help me identify this bike?

Frame number (bottom bracket) MC9008 1987 Cruiser style,26" rims
1
vote
0answers
63 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
74 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
98 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 ...
1
vote
0answers
45 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
85 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
170 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
85 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
87 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
508 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
107 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
146 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
108 views

My front deraileur needs adjustment after every ride

I have a Cannondale Women's Adventure 1 that I got this spring and have been riding on local (paved) trails every weekend. I started off riding about 6 miles a weekend and recently have progressed to ...
1
vote
0answers
121 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
171 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

Bike rear wheel assembly

I am assembling my rear wheel and I have question related the lengths of spokes. Is there a big difference between the length of spokes taken from right and left sides. Can I get into big problems if ...
0
votes
0answers
21 views

Shimano Inter7 axle unit disassebly

I am trying to disassemble Shimano Inter7 SG-7C26 unit to clean and repair after a bearing retainer that is situated between parts 1 and 2 broke. I am having problems removing part 2. Does anyone know ...
0
votes
0answers
46 views

“Mexican Low-rider look” Batavus. What model is this?

I just bought this 3 gears Batavus bike to my girlfriend on the flee market. Can you help me out with the name of the model? TNX Kamil
0
votes
0answers
38 views

Is it possible to reattach the v-brake spring/pin arm?

I was fitting new brake pads to my (mini) v brakes and stupidly pushed one of the arms very far inward to get easier access. The spring (actually I'm not sure I mean spring, the pin/spring that ...
0
votes
0answers
54 views

Shimano Tiagra Rear Derailleur - Barrel Adjuster Won't Screw In

My rear derailleur barrel adjuster has unscrewed completely and now I can't get it back in. Is it likely that I've damaged something here, or is there some special technique to screw in barrel ...
0
votes
0answers
44 views

SRAM Red 22 crankset & 10 speed cassette

I have a 2010 SRAM Red 10 speed groupset on my bike, and I have just changed the front crankset to the latest SRAM Red 22 compact; I will also add a new KMC KMC X10SL chain. The Front derailleur no ...
0
votes
0answers
40 views

Choosing the correct Bottom Bracket

I have a 2011 Commencal Supreme DHV3 Team edition and I need to replace the bottom bracket. The problem is that I am confused about what the correct model to buy is. The tech book for the bike ...
0
votes
0answers
32 views

orientation of non rotating washers (Nexus 8-Speed Internal Hub)

The anti-rotating washers on my Nexus 8-speed internal hub axle are opposite to what every service manual I've seen suggest they should be. In particular, the yellow washer is on the left side and ...
0
votes
0answers
42 views

Chain guide/tensioner for 2011 Giant Reign 2 (Press Fit)

Can someone recommend a chain guide/guard/tensioner that will be mountable to a 2011 Giant Reign 2 which has Shimano Press Fit and 3-ring crankset? The best I could find is: Kore Chain Reactor - ...
0
votes
0answers
71 views

Peculiar feel when pedaling

I ride an early 90s Scott Unitrack CST with the original Shimano Deore drivetrain it came with. Same as this one. When pedaling, the right pedal has a peculiar feel like a sudden inward jerk at a ...

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