Unanswered Questions

14
votes
0answers
224 views

Construction hints for a sociable dicycle?

I'm thinking of building a dicycle, specifically a sociable one like the picture below but pedal powered. Has anyone seen one in real life, or better yet, tried to build one? The broad design is ...
6
votes
1answer
169 views

Identify this shaft driven bike for me

This is the bike wich I can't neither identify the manufacturer nor the year it was produced; it has a serial number on the frame, just above the front fork, something like 93042829 or so what ...
5
votes
0answers
67 views

Is changing wheel necessary if freewheel hub with a different speed then previous is attached?

Approx. 3 weeks ago I have found an abandoned frame (including steering wheel, fork, brakes, pedals and shifting gears attached to it). I decided to use it to build a new bicycle since only recently ...
5
votes
1answer
201 views

Flashpoint FP80 / SRAM S80 - rear hub specifications?

I'm looking for the specs of a SRAM S80 rear wheel hub. I dearly wish to replace its 9/10-speed freehub body with one that can accomodate Shimano 11-cog casettes. SRAM S80 was a 80mm-profile aero ...
4
votes
0answers
41 views

Replacing Crankset

My dad bought a 2004 Fuji Absolute hybrid used and I rode it to a DIY shop to get everything checked out. On the way, the the chain came off once (1.5mi). Turns out the right crank arm is a little ...
4
votes
0answers
36 views

Cylinder volume of hydraulic brakes and levers

I've been asking around for a while now but even workshop pros couldn't answer this (by citing exact figures): How big are the brake cylinders of disk and rim brakes in terms of volume and surface ...
4
votes
0answers
137 views

Accurately replicating the resistance felt whilst riding via a resistance fan diy turbo trainer

If I were to build my own Lemond Revolution style turbo trainer (link below) could I use the air speed in meters/second^2 the rider is moving into as a good indicator of what type and size of fan to ...
4
votes
2answers
340 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 ...
4
votes
0answers
451 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. ...
3
votes
2answers
22 views

Does Shimano XTR RD-M9000 SGS 11-Speed Shadow+ MTB Rear Derailleur Long Cage work with 10speed XT shifter?

I just bought a used bike with a broken 10 speed XT rear derailleur. Would a NEW Shimano XTR RD-M9000 SGS 11-Speed Shadow+ MTB Rear Derailleur Long Cage ( 182006158222 ) be compatible with 10 speed XT ...
3
votes
0answers
37 views

Can you indentify this vintage Moor MTB

I've recently acquired this bike: The Moor brand seems to be coming from Denmark. However, the SFMK CSCM sticker seems to be referring tot the "Suisse Motorbike and Bicycle Union". The bike was ...
3
votes
0answers
31 views

My santa cruz heckler ghost shifts from frame flex. Is there anything I can do?

I just bought a 2013 heckler used and found that it ghost shifts under heavy pedaling. I weight 230 so I am probably putting more pressure than average. But this only happens when I have smallest cog ...
3
votes
0answers
11 views

Tool for Cannonade Carbon Si Crankset

Used a 3/8" hex key to remove the crank but the outer bolt needs to be tightened separately. Perhaps it's possible to tighten it with the crank off or do I need a special pin type tool. Its a ~2008 ...
3
votes
0answers
46 views

What's the strongest way to bond a cable stop to an aluminum frame?

I recently picked up another well loved GT road bike frame- it's in great shape aside from a missing downtube cable stop. The model is a ZR 4000 probably from 1999, it's 7005 heat treated aluminum. My ...
3
votes
0answers
64 views

one side of cantilever brake pads does not spring back

Same as this question one side of brake pad retention problem (i.e. attached to rim) but mine is a cantilever brake. The answer there doesn't work as mine doesn't have those screws and the brake ...

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