Unanswered Questions

3
votes
1answer
38 views

Why are riders allowed to draft behind cars in Grand Tours?

During one of this week's stages of the Giro d'Italia, Chris Froome had a 'technical' issue with his bike that caused him to lose a number of minutes from the peloton. It was of significance as it was ...
2
votes
0answers
26 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 ...
0
votes
0answers
10 views

Missing valve part from Marzocchi MX Pro 2003- how does it work?

I'm trying to figure out if I can make a replacement part for an old pair of Marzocchi MX Pro 2003 forks. Its part of the rebound damping rod and is the metal bit in this photo on the top where the ...
0
votes
0answers
23 views

Rear disc calliper won't fit, disc mount bent?

I am upgrading my MTB to disc brakes. I have disc compatible wheels and a set of Shimano M446 Postmount callipers and 160mm rotors. Front fork is a Manitou who decided to jump on the Postmount wagon ...
0
votes
1answer
38 views

Feet slip off flat/cleat hybrid pedals when it's wet

I have those hybrid pedals that allow for both clipping in with cleats, and riding on flat pedals with ordinary shoes. As I use my bike for cycling around the city, I mostly use the flats. What ...
0
votes
1answer
15 views

SRAM compatible 11 speed 12-25 cassette?

I'm looking for an 11 speed 12-25 cassette compatible with a SRAM drivetrain, however I don't think SRAM makes one. They list specs for their 11 speed cassettes as follows: 11-25: ...
5
votes
1answer
119 views

How can I stop my toes from going numb on long rides?

I've begun trying to commute to work, which is a 70+ minute ride each way for me. I find that after about 30 minutes of riding, my toes in both feet begin to go numb. It's not a cold thing, because ...
4
votes
1answer
72 views

What is the benefit of Shimano Click'R technology?

Im looking into making the switch from platforms to clip-less and just saw SPD pedals with "Click'R" technology ( Example ) Im not sure if its worth the extra money to buy that opposed to SPD pedals ...
4
votes
1answer
1k 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
2answers
373 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 ...
4
votes
1answer
359 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
70 views

Do mechanical disc brakes suffer from heat-induced fade?

The other day I read a question about heat induced brake fade in hydraulic disc brakes caused by too much braking on long, steep descents, which is something I have also experienced when cycling in ...
3
votes
0answers
171 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
1answer
65 views

When do I know the drum brake is at the end of life and needs replacement?

I have a city bicycle with a drum brake. Since the breaking parts of the system are inside the drum I can't see if it is worn out or not. Are there any indicators that give that information or at ...
2
votes
1answer
78 views

Using PTFE spray on rear derailleur springs

Have noticed that the rear derailleur springs and pulleys are picking up lots of road gunk. I use a wax for the chain and as this breaks off I can see it getting stuck on the pulleys. So after ...

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