Unanswered Questions

4
votes
0answers
74 views

Should flywheels on stationary trainers be replaced periodically to avoid catastrophic failures caused by fatigue?

I have owned a Computrainer stationary trainer for 20 years and recently had the flywheel shatter, sending shrapnel through the walls and ceiling of my basement, as well as into my hamstring. Should ...
4
votes
0answers
128 views

Bottle dynamo wiring a headlight and taillight on 1980s bike

I'm restoring a 1980 DBS Winner bicycle, and I'm having trouble wiring the dynamo to the headlight and taillight. As a disclaimer, I know very little about electricity and wiring. The dynamo has two ...
4
votes
0answers
92 views

Who recognises this titanium frame?

I bought this titanium frame some time ago. No markings, only this serialnumber on the bottombracket. The 84 propably stands for 1984 as the bike was fitted with Campy's 50th Anniversary gruppo. BB is ...
4
votes
1answer
2k views

Just found a vintage Sears & Roebuck 'Ted Williams' Free Spirit 3 wheeler. Can I modernize it?

It's been in my girlfriends back yard for years and I'm under the impression that it's a pretty uncommon bike because I can't find any information on it. Her stepfather spray painted a camo pattern on ...
4
votes
1answer
495 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 ...
4
votes
3answers
273 views

Presta valve won't let air in on a new tube

During a ride I had a flat tire and used a brand new Joe's tube with sealant. For the first time in many years of riding i was not able to pump air in. It appears that the pin inside the valve won't ...
3
votes
1answer
71 views

What is causing an intermittent side to side wobble of the rear cogs?

I am struggling to diagnose the cause of an intermittent side to side wobble of the cogs on a rear wheel. Here's what I know: Periodically (maybe every 10-15 minutes) during a ride, I experience ...
3
votes
0answers
108 views

Shimano 105 ST-5500 gear sensor mechanism

I have a pair of Shimano 105 levers and would like to know what sort of mechanism is inside the shifter to track what gear it's on? Is it a potentiometer? Or maybe small switches? Also, does anyone ...
3
votes
0answers
287 views

BB92 (Shimano bottom bracket) with SRAM 30mm crankshaft (X01 or XX1 BB30)?

The frame that I want to build has BB92 bottom bracket hole. The drivetrain I want to use is 1x11 SRAM XX1 or X01 with 30mm crankshaft (BB30)(edit: also available GXP). There are ways to fit it - ...
3
votes
1answer
149 views

Inner elbow/bicep tendon pain from drop bars?

I've just recently bought a new bike with drop bars for my daily commute. It's great fun and actual feels quite comfortable after following a few fitment videos and guides online. The bike is a ...
3
votes
0answers
101 views

Shimano Hydraulic disc brakes- Lever compatibility

I am looking for practical advice on compatibility between various Shimano hydraulic disc brakes, especially the lever assembly. Currently I have two separate sets, one M446 Left lever, attached to a ...
3
votes
0answers
279 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
1answer
39 views

Does every drink bottle fit into every holder?

I have a Specalized drink bottle holder and was always using normal 750ml plastic bottles, but they never fit very well. I was looking online for water bottles and now I'm wondering if all bottles ...
2
votes
0answers
67 views

Troubleshooting Noise from Avid BB-7 Road Disc Brakes

I'm trying to track down a dragging sound from some Avid BB-7 brakes on a Kona Sutra. The hub is a Shimano Alfine DH-S501 dynamo hub with an SM-RT82 Centerlock disc. The noise sounds like a dragging ...
2
votes
1answer
80 views

Rekey a Kryptonite lock outside North America

Kryptonite offer a re-keying service in North America for those who failed to register their keys and have since lost all of them. I'm in Europe, and such a service is not offered here, I'm wondering ...

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