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Unanswered Questions

64 questions with no answers
6 votes
0 answers
483 views

Shimano road bike lever leaking mineral oil

I have a leak in my Shimano DA 9170 (right) shifter. When I do a bleed, everything seems to work for a ride or two and then I start to lose braking power and the underside of the brake hood is wet ...
3 votes
0 answers
148 views

Help identifying brand of road bike frame

Last year I bought this second-hand bike, but I was a total newbie and didn't realize that the branding was just stickers until I received it. It's still a good bike and I'm having fun with it, but I'...
3 votes
0 answers
115 views

What could the source of this ticking sound be?

I have an annoying ticking sound that I need some help with. I've read through a lot of suggestions online and two bike shops have failed to solve it. The bike is a brand new custom build (Trek Emonda ...
3 votes
0 answers
86 views

Just hoping someone out there recognizes this bike and can help identify it

Assuming this is a 90s era aluminum frame with only a head badge sticker to identify it, no name or model printed anywhere. RX100 RD, DeoreXT FD, Sugino triple crank and Exage500EX brakes. the fork is ...
3 votes
0 answers
116 views

I need help identifying this womens bike frame, please

It's nearly 70 years old. I've narrowed the potentials down to Sears, Schwinn or possibly J.C. Higgins. I did just order the wheels for this and it takes 26" schwinn apparently as opposed to ...
3 votes
0 answers
96 views

Can't find a "friction screw" for a friction shifting system

I recently broke one of the two speed levers ajuster (friction screw) that adjust the pressure between the levers and the cable. It's made in plastic as shown in the picture below. I would like to ...
3 votes
0 answers
519 views

Help identify this loop frame bike

I'm trying to find out more information about this old loop frame bike I'm planning to refurbish. I haven't found any other marks that may be identifying, if there's anything else I can take a photo ...
2 votes
0 answers
40 views

Surface scratch on carbon steerer

Following my previous post, I managed to find an identical new fork replacement from a reseller since the communication with the company was absolutely terrible... When I unpacked the fork though, I ...
2 votes
0 answers
76 views

Identify this Bianchi - possibly 80s

Can someone please help me identify this Bianchi model? My uncle has had it in storage for since years – I believe it's from the 80's. Here are some photos, to help identify the model. Cheers, Alex
2 votes
0 answers
105 views

Identifying this road bike brand

Can someone help me identify this frame? It was given to me in Switzerland. My uncle and cousin bought it already painted grey. I noticed an engraved logo in the dropout, but it does not look like it ...
2 votes
0 answers
164 views

Can anyone help me identify this vintage bike?

I have the serial number, but I’m having a hard time cracking the code.
2 votes
0 answers
369 views

HELP Identifying a vintage MTB frame

I only have three clues: "3.0 Aluminum" on the top tube Serial Number on the frame itself "Designed in the USA" flag decal Can anyone help me identify this vintage MTB frame?
2 votes
0 answers
118 views

Pirelli tires (mixing 700X23c and 70025c)

A bike shop (whom I trust) replaced my tires with new 700X25c Pirelli P Zero Zello 4S front and rear, the rear tire did not clear the fork/frame for some reason, they switched the rear 700X25c with ...
2 votes
0 answers
356 views

Cottered crank dimensions

I'm interested in the design of cottered cranks. The cotter-pin joint as seen in vintage bicycles is not a very widespread type of joint in modern times, so it's hard to find information about this in ...
2 votes
0 answers
302 views

Why is my bar tape wearing out quicker on one side?

My bar tape has been wearing out on the left where my palm meets the bar with I ride on the hoods, but not on the right. I've noticed the same thing on the gloves I usually wear. Is this cause by how ...

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